Speed = distance divided by time taken. car 1 travels 10 miles every 5 minutes. car 2 travels 30 miles every 20 minutes. what is the difference of speed between these two cars in mph?

Answers

Answer 1
car 1
2 miles............................1 minute
10 miles.........................5 minutes
20 miles.........................10 minutes
40 miles..........................20 minutes
car2
1.5 miles...........................1 minute
15miles.............................10 minutes
30 miles...........................20 minutes
the difference is 0.5 miles per minute

0.5*60=30 miles/hour

Related Questions

Thaddeus wants to attend a sports camp this spring that costs $170.00 for the week. He rakes leaves during the fall and earns $58.35. He shovels snow during the winter and earns $85.80. How much more money does Thaddeus need to earn to pay for the sports camp? Write your answer as a decimal. Thaddeus needs to earn

Answers

the answer to this question is 25.85

He need $25.85 more to pay.

What is unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

Charge for week = $170

earnings from leaves raking = 58.35

Earnings from snow shoving = 85.80

Total earnings = 85.80 + 58.35 = $144.15

So, he need more

=170 - 144.15

=$25.85

Hence, He need $25.85 more to pay.

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order the following numbers from least to greatest. sqrt 11, -0.4, (-4/3), 0.8, sqrt 2

Answers

1 < sqrt 2   < 2
3 < sqrt 11 < 4

order  least to greatest

 (-4/3), -0.4, 0.8, sqrt 2, sqrt 11

The numbers arranged from least to greatest will be -0.4, -1.33, 0.8, 1.41, and 3.32.

What is ascending order?

It is the order of the numbers in which a smaller number comes first and then followed by the next number and then the last number will be the biggest one.

The decimal number is the sum of a whole number and part of the fraction number. The fraction number is greater than zero but less than one.

The numbers are given below.

√11, -0.4, (-4/3), 0.8, √2

Convert all the numbers into decimal form, then we have

√11, -0.4, (-4/3), 0.8, √2

3.32, -0.4, -1.33, 0.8, 1.41

Then the numbers arranged from least to greatest will be -0.4, -1.33, 0.8, 1.41, and 3.32.

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Write the polynomial in standard form. Then identify the polynomial by the number of terms. -5x^2-2x^3-4x
A
-4x-2x^3-4x; binomial
B.
-4x-5x^2-2x^3; trinomial
C.
-2x^3-5x^2-4x; trinomial
D.
-2x^3-4x-5x; binomial


 

Answers

In order to put in standard form order the numbers from greatest to least by exponent's

-5x^2[?]-2x^3
-5x^2[<]-2x^3

so:
-2x^3-5x^2-4x
Second part:
a term is either a single number or variable, so we can conclude that (-5x^2) is a single term, so is (-2x^3) and (4x) because there are 3 terms this would be considered a Trinomial. Looking at the answers we can single out A and D because they do not have Trinomial in the answer. Since the standardized form starts with (-2x^3) We can single out B. giving us the answer of C.

Answer: C

Hope this helped :). Sorry if my grammar is off.

can anyone help me solve these two questions
1 you have 75% of your pay direct/-deposit how much is given to you as a check per week ?

2. of the amount direct-deposited problem 1 you have 50% placed into a savings account how much is deposited in the savings account each month?,

Answers

Final answer:

The student takes home a check of $25.94 each week after deductions and direct deposit. Of the amount direct-deposited, $38.92 is placed into a savings account weekly, resulting in $155.68 being deposited into the savings account monthly.

Explanation:

To solve the first problem, we must start by calculating the gross income for one week of work:

Gross income = Hourly rate × Hours worked per week = 13.76 × 10 = $137.60

Next, we calculate each of the deductions from the gross income:

FICA = Gross income × FICA rate = $137.60  × 7.65% = $10.52Federal tax withholding = Gross income ×  Federal tax rate = $137.60  × 9.8% = $13.48State tax withholding = Gross income × State tax rate = $137.60 ×  7.13% = $9.82

Now we calculate the total deductions:

Total deductions = FICA + Federal tax + State tax = $10.52 + $13.48 + $9.82 = $33.82

The net income after deductions is:

Net income = Gross income - Total deductions = $137.60 - $33.82 = $103.78

We then determine the amount directly deposited:

Direct deposit amount = Net income × Direct deposit percentage = $103.78 × 75% = $77.84

The remaining paycheck given as a check each week is:

Check amount = Net income - Direct deposit amount = $103.78 - $77.84 = $25.94

For the second question, we already know from the scenario that $77.84 is directly deposited. We just need to calculate the amount that goes into the savings account:

Savings deposit per week = Direct deposit amount × Savings account percentage = $77.84 × 50% = $38.92 per week

To find the monthly savings deposit, we assume there are 4 weeks in a month:

Savings deposit per month = Savings deposit per week  × 4 = $38.92  × 4 = $155.68 per month

our family shares all the minutes in your cell phone plan. Every 30 days you get 4,800 minutes. Four people share the minutes. How many minutes can each person use per day if the minutes are split fairly?

Answers

"Fairly" is a loaded word. Perhaps you want to split the minutes so that each of 4 people gets the same number.
.. (4800 min)/(30 day)*/(4 person)
.. = 4800/(30*4) min/day
.. = 40 min/day/person

Each person can use 40 minutes per day.
That depends on the size of the month
Sept Apr June Nov all have 30 days.
4800/4 = 1200 (monthly allotment per month) / person
1200 / 30 = 40 minutes per day.

All the others have 31 days
4800 / 4 = 1200 minutes per month
1200/31 = 38.71 minutes per day = 38 minutes 42 seconds Don't make that last 42 seconds to your boy friend/girl friend.

Except February which has 29 days on leap years.
Each has 1200 minutes per month
1200/29 = 41.37 minutes = 41 minutes 22 seconds.
or
February has 28 day days most years.
each person has 1200 minutes per month.
1200 / 28 = 42.86 minutes = 42 minutes and 51 minutes 

Write and simplify the equation you would use to solve the problem below. Scott has a jar of quarters and dimes. If there is $4.15 in the jar, and there are 4 dimes, how many quarters are in the jar?

A. x(25 + 10) = 415
B. 25x + 40 = 415
C. 25x + 10 = 415
D. 4 * 10x + 25x = 415

Answers

The correct option is: B. 25x+40=415 
 The explanation is shown below:
 
 1. You have that:
 
 - There is $4.15 in the jar.
 -There are 4 dimes in the jar.
 
 2. Therefore:
 
 1 quarter=25 cents
 4 dimes=40 cents
 $4.15=415 cents
 
 3. Then, you have that the equation you would use to solve the problem and to calculate how many quarters are in the jar, is:
 
 25x+40=415 

If 12 is added to the square of a positive integer, the result is 133. Find the positive integer

Answers

1. Integers numbers are defined as the set of numbers that is formed by Positive numbers, which are also called "Natural numbers"; Negative numbers (They are less than zero) and zero (This has no sign). This set is represented with the letter "Z". Therefore: Z={...-2, -1, 0, 1, 2 ...}.
 
 2. So, if 12 is added to the square of a positive integer, you can write the following the expression: 
 12+x²=133
 
 3. You can obtain the value of the positive integer "x", by clearing it. Then, you have:
 
 12+x²=133
 x²=133-12
 x=√(133-12)
 x=√121
 x=11
 
 Therefore, the positive integer is: 11

11___________________________

The 151 workers at a factory together produce 18 422items per day. What is the daily unit rate of items per​ worker?

Answers

Hi there! The answer is 122 items.

To find the daily unit rate per worker we use the following formula
[tex] \frac{total \: items}{workers} [/tex]

Filling in this formula gives us
[tex] \frac{18422}{151} = 122[/tex]

Therefore, the daily unit rate per worker is 122 items.
151 workers = 18422 items

1 worker = 18422 ÷ 151
1 worker = 122 items

------------------------------------------------------
Answer: Daily Rate = 122 items/worker
------------------------------------------------------

50 POINTS!!!!! HELP Soybean meal is 16% protein; cornmeal is 8% protein.How many pounds of each should be mixed together in order to get 320-lb mixture that is 9% protein?
How many pounds of cornmeal should be in the mixture? How many pounds of soybean should be in the mixture?

Answers

The first thing we are going to do for this case is define variables.
 We have then:
 x: Amount of soybean meal
 320 - x: quantity of cornmeal
 We now write the equation that models the problem:
 [tex]0.16x + 0.08 (320-x) = 0.09 (320) [/tex]
 Rewriting we have:
 [tex]0.16x + 25.6 - 0.08x = 28.8 [/tex]
 From here, we clear x:
 [tex]0.16x - 0.08x = 28.8 - 25.6 0.08x = 3.2 x = 3.2 / 0.08 x = 40[/tex]
 Then, the amount of Soybean meal is:
 [tex]x = 40 lb [/tex]
 The amount of cornmeal is:
 [tex]320 - x = 320 - 40 = 280 lb [/tex]
 Answer:
 
cornmeal: 280 lb
 
Soybean: 40 lb.

Using real life quantities,how will you justify that the derivative of constant is 0?

Answers

Final answer:

The derivative of a constant is zero can be understood by comparing it to traveling at a constant speed, where there is no change or acceleration, hence a rate of change of 0. This is analogous to the slope of a horizontal line (representing a constant function) on a graph, which is also 0.

Explanation:

Using real-life quantities, one can justify that the derivative of a constant is 0 by considering the concept of speed. Imagine you are traveling in a car at a constant speed of 60 km/h. The speed does not change over time, meaning there is no rate of change or acceleration. In terms of calculus, this constant speed (constant function) has a rate of change of 0, which is its derivative.

The derivative, in a broader sense, measures the rate of change of a quantity. A constant value does not change, and hence its rate of change, or derivative, is 0. This concept can be geometrically represented as the slope of a line on a graph. A constant function graphs to a horizontal line where the slope, or rise over run, equals 0. Thus, similar to the constant speed with no change, the derivative of any constant value is always zero.

Rewrite the rational exponent as a radical exponent

Answers

[tex]\bf a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} \\\\ -------------------------------\\\\ \sqrt[3]{2^7}\implies 2^{\frac{7}{3}}[/tex]

what are the similarities between reflections translations rotations and dilations?

Answers

In reflection, translation and rotations the pre image and the image are congruent and in dilation they are similar 

FAN AND MEDAL!!

The formula for the circumference of a circle is C = 2πr, where r is the radius. Rearrange the formula to solve for r and select the correct option below.

r = C over 2 pi
r = 2πC
r = C − 2π
r = 2 pi over C,

Answers

Circumference of a circle, C = 2* pie * r Dividing through by 2 * pie; we have C/ 2 * pie = r r = C/ 2 * Pie * r The first answer r = C over 2 pie.

If an experiment with a random outcome is repeated a large number of​ times, the empirical probability of an event is likely to be close to the true probability. this mathematical theorem is called​ what? choose the correct answer below. the random number table the law of binomial probability the law of simulation the law of large numbers

Answers

Answer: The correct answer is the Law of Large Numbers

Imagine flipping a coin. There is a 50% likelihood that you would get tails. However, it doesn't happen all the time. If you flipped it just a few times, you could get all tails and have 100% tails.

However, if you did the experiment a lot of times (a large number), you almost certainly wouldn't get all tails. You would get close to 50%. That is the main point of the law.

The more trials you do, the more likely you will get close to the theoretical value.

Use the identity below to complete the tasks: a3 + b3 = (a + b)(a2 - ab + b2) Use the identity for the sum of two cubes to factor 8q6r3 + 27s6t3. What is a? What is b? Factor the expression. es003-1.jpg es003-2.jpg es004-1.jpg es005-1.jpg es006-1.jpg

Answers

a is 2q^2r

b is 3s^2t

the expression factored is...

(2q^2r+3s^2t)(4q^4r^2-6q^2rs^2t+9s^4t^2)

The given expression is a sum of two cubes. The factorization of the given expression is [tex](2q^2r+3s^2t)(4q^4r^2-6q^2rs^2t+9s^4t^2)[/tex].

Given:

The given identity is, [tex]a^3 + b^3 = (a + b)(a^2 - ab + b^2)[/tex].

It is required to factorize [tex]8q^6r^3 + 27s^6t^3[/tex] using the given identity.

The given expression can be written in the form of sum of two cubes as,

[tex]8q^6r^3 + 27s^6t^3=2^3q^6r^3 + 3^3s^6t^3\\=(2q^2r)^3+(3s^2t)^3[/tex]

Here, a and b are [tex]2q^2r[/tex] and [tex]3s^2t[/tex] respectively.

Now, the factorization of the given expression can be one as,

[tex]a^3 + b^3 = (a + b)(a^2 - ab + b^2)\\(2q^2r)^3+(3s^2t)^3=(2q^2r+3s^2t)((2q^2r)^2-(2q^2r)(3s^2t)+(3s^2t)^2)\\=(2q^2r+3s^2t)(4q^4r^2-6q^2rs^2t+9s^4t^2)[/tex]

Therefore, the factorization of the given expression is [tex](2q^2r+3s^2t)(4q^4r^2-6q^2rs^2t+9s^4t^2)[/tex].

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Consumer math help

1. When you pay a bill in full, you are
a. paying it off
b. defaulting
c. maximizing profit
d. zeroing

2. APR stands for
a. annual partial
b. amortized percentage rate
c. annual percentage rate
d. amortized partial rate

3. when calculating interest accrued, you should
a. multiply the principal by APR
b. multiply the principal by the APR and number of months
c. multiply the principal by the APR and number of months, then divide by the total number of the months in the year
d. multiply the principal by the APR and the number of months in the year, then divide by the,

Answers

1. When you are paying a bill in full, said bill is completely paid off. In other words, the bill amount has been fulfilled by the consumer in a sort of payment. The answer is a. consumer is paying it off. 2. APR is a rate that is used frequently when applying and using a credit card. It stands for c. annual percentage rate or the percentage that will be charged when a credit card is not paid in full by the due date each month. 3. When calculating interest accrued you should multiply the principal by the APR & number of months, then divide the number of months in a year (12). This will be the interest that the consumer has gained and must pay off to the lender.

Answer:

A, C, C

Step-by-step explanation:

Some other dude answered it. I just simplified his answer.

Question 4 Unsaved
What is the value of θ for the acute angle in a right triangle?



sin(θ) = cos(58°)

Question 4 options:

32°

58°

122°

29°

Answers

Asked and answered elsewhere.
https://brainly.com/question/9317910

The angle sum property of a triangle states that:

Sum of three angles of a triangle is 180 degrees.

Now we are given a right angled triangle here.

The question can be described as shows in figure.

Here ABC is a triangle right angles at B.

The other angle is 58 degrees.

Using angle sum property:

∠A + ∠B +∠C =180

let ∠A = 58° and ∠B =90°

So we have ,

58° + 90° +∠C =180

148°+∠C=180°

∠C = 32°

Answer : Angle C is 32 degrees.

Option A is correct choice

You are buying a $24.50 item that has 6% sales tax. You give the cashier $40 to pay for the item. How much change do you get back?

Answers

Answer:

14.03

Step-by-step explanation:

I took a test

There are $14.03 get change do you get back.

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

We have to given that;

You are buying a $24.50 item that has 6% sales tax.

And, You give the cashier $40 to pay for the item.

Here, You are buying a $24.50 item that has 6% sales tax.

Hence, The amount of sales tax = 6% of $24.50

                                                  = 6/100 × $24.50

                                                  = $1.47

Thus, The amount of charge = $40 - ($24.50 + $1.47)

                                            = $40 - $25.97

                                            = $14.03

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Jim makes and sells denim knapsacks for $10.50 apiece. The knapsacks cost $7 apiece to produce.

Jim makes ____% profit on each knapsacks.

Show your work.

A. 33
B. 50
C. 75
D. 125

Answers

In this problem, to solve for the gross profit, you have to deduct the cost of each knapsack to its selling price.

The gross profit of Jim is $3.50 ($10.50 - $7).

To compute the gross profit rate, you have to divide the gross profit ($3.50) to the cost of each knapsack ($7).

$3.50 / $7 = 0.5 or 50%

Therefore, Jim makes 50% profit on each knapsack.

 

Three consecutive odd integers are such that the square of the third integer is 1515 greater than greater than the sum of the squares of the first two. one solution is 33​, 55​, and 77. find three other consecutive odd integers that also satisfy the given conditions.

Answers

Let
x-----------> first odd integer
x+2--------> second consecutive odd integer
x+4-------> third consecutive odd integer

we know that
(x+4)²=15+x²+(x+2)²-------> x²+8x+16=15+x²+x²+4x+4
x²+8x+16=19+2x²+4x-------> x²-4x+3
x²-4x+3=0

using a graph tool----------> to calculate the quadratic equation
see the attached figure
the solution is
x=1
x=3

the answer is
the first odd integer x is 1
the  second consecutive odd integer x+2 is 3
the third consecutive odd integer x+4 is 5

Answer:

Step-by-step explanation:

Find the value of y.

A.
18
B.
22
C.
24
D.
28

Answers

40^2 - 32^2=576
square root of 576 will be 24 so 24 is y

Answer:

C. 24

Step-by-step explanation:

ED2021

the difference of a number t and 7 is greater than 10 and less than 20....show me how to write this as an inequality.,

Answers

While writing inequalities we should know about symbols a>b means a is greater than b a<b means a is less than b so here we have to write difference between t and 7= t-7 given t-7 is greater than 10 so t-7>10 and t-7 is less than 20 so t-7<20 combining above two we get 10<t-7<20, 17 < t < 27

The reference angle for an angle whose measure is 260 degrees is

Answers

bearing in mind that, the reference angle, is the angle made by the terminal point and the x-axis, check the picture below.

PLEASE HELP ME QUICK

PLEASE EXPLAIN AND IF 2 PPL ANSWER I WILL GIVE BRAINLIEST..

THX

Answers

The answer to this is the top option. 

The one on the page with the question.

Identify the trinomial that is a perfect square. HELP ASAP
A.64x^2 − 90x + 25
B.64x^2 − 70x + 25
C. 81x^2 − 70x + 16
D. 81x^2 − 72x + 16

Answers

D. (9x-4)^2

You can find this by taking the square roots of the outside numbers and multiplying them by each other and 2 to see if they equal the middle number. 

helppppppppppppppppppppppppppp

Answers

For this case you must take into account the following:
 1) Trigonometric properties.
 2) trigonometric equations
 3) Division of fractions.
 Answer:
 cotx = root (15) / 7
 See attached image.
Answer:
cot θ = √15 / 7

Explanation:
csc θ = 1 / sin θ
In a right angled triangle, sin θ = opposite / hypotenuse
This means that:
csc θ = hypotenuse / opposite = 8 / 7
So, we have:
opposite = 7 units and hypotenuse = 8 units
We will use the Pythagorean theorem to get the adjacent side as follows:
(hypotenuse)^2 = (opposite)^2 + (adjacent)^2
(8)^2 = (7)^2 + (adjacent)^2
(adjacent)^2 = 15
adjacent =  √15 units

Now, we want to get the value of cot θ.
We know that:
cot θ = 1 / tan θ
Since tan θ = opposite / adjacent
Therefore:
cot θ = adjacent / opposite = √15 / 7

Hope this helps :)

city purchases a square plot of land with an area of (x2+ 24x + 144) square yards for a park. The dimensions of the plot are of the form ax + b, where a and b are whole numbers. Find an expression in terms of x for the perimeter of the park. An expression in terms of x for the perimeter of the park is Select... select 8) The perimeter of the park when x = 10 yards

Answers

Area has been given as (x² + 24x + 144)
when we factorise this quadratic formula 
(x² + 24x + 144)
= x² + 12x + 12x +144
= x ( x+ 12) + 12 (x + 12)
(x+12)(x+12)
the area of the square plot has been calculated by multiplying the lengths of the 2 sides. As its a square, all sides are equal
the length of one side = x+12
the dimensions are given in the form ax + b
from the length x + 12 , a = 1 and b=12
the perimeter of the park = 4 * length of one side
therefore perimeter = 4 * (x+12)
                               = 4x + 48  yards
next we are asked to find the perimeter when x = 10 yards
perimeter = 4*10 + 48 = 40 + 48 = 88 yards



Easy Money CLick here

Answers

ok dodoododododdododididiididididie

Lee’s family had a garden in the shape of a right triangle. The total area of the garden is 16 square feet. If they expand the garden to form a triangle with twice the base and twice the height, by how much will they increase the size of their garden?

Answers

Answer:

The size of the garden increases by 48 square feet.

Step-by-step explanation:

Hit that thanks button and vote so I can answer more questions! :)

Answer:

The answer is C or 48 square feet

Step-by-step explanation:

Scott and Harry went cycling every day. They increased the number of minutes of cycling every week as described below: Scott: Cycled for 10 minutes every day in the first week, 15 minutes in the second week, 20 minutes in the third week, and 25 minutes in the fourth week. Harry: Cycled for 10 minutes every day in the first week, 20 minutes in the second week, 40 minutes in the third week, and 80 minutes in the fourth week. Which statement best describes the methods used by Scott and Harry to increase the time they spent cycling? Scott's method is linear because the number of minutes increased by an equal number every week. Harry's method is linear because the number of minutes increased by an equal factor every week. Both Harry's and Scott's method is exponential because the number of minutes increased by an equal factor every week. Both Harry's and Scott's method is exponential because the number of minutes increased by an equal number every week.

Answers

scott's method is linear because the number of minutes increased by an equal number every week. Because he increased each week by 5 minutes while Harry increased by a different amount of time each week

Answer:

Scott's method is linear because the number of minutes increased by an equal number each week.

Arithmetic progressions use the linear method.

The graph proves it, by obtaining a straight line.

Step-by-step explanation:

Scott used an arithmetic progression, with a ratio of 5, that is adding 5 to the value of each previous week.

Let us call the time in minutes of each week, so the arithmetic progression is of the following linear form:

S1 = k0 = 10

S2 = k1 + 5 = 10 + 5 = 15

S3 = k2 + 5 = 15 + 5 = 20

S4 = k3 + 5 = 20 + 5 = 25

See attached chart.

Harry used a geometric progression, with a ratio of 2, that is multiplying by 2 the value of each week.

Let us call time in minutes of each week, so the geometric progression is of the following exponential form:

S1 = k0 = 10

S2 = k1 x 2 = 10 x 2 = 20

S3 = k2 x 2 = 20 x 2 = 40

S4 = k3 x 2 = 40 x 2 = 80

See attached chart.

Let's analyze the four options given:

Scott's method is linear because the number of minutes increased by an equal number each week.

True: The graph proves it, by obtaining a straight line.

Also, Arithmetic progressions use the linear method.

Harry's method is linear because the number of minutes increased by an equal factor each week.

False: The graph shows that it is not linear, a straight line is not obtained.

Both Harry and Scott's method are exponential because the number of minutes increases by an equal factor each week.

False: Scott's method is linear.

Both Harry and Scott's method are exponential because the number of minutes increases by an equal number each week.

False: Scott's method is linear.

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HELP 15 MINUET TIME LIMIT1!!!!!Mutations are avoided during replication because DNA polymerase is able to Blank Space __________. repair itself repair the DNA encode a message add more codes God was pleased with Mrs. Johnson's worship.TrueFalseGod was displeased with King Saul's plan because he was going to sacrifice sickly animals.TrueFalseIt is better to obey than to sacrifice.TrueFalseWorship without obedience to God is not real worship.TrueFalseChrist is not Lord of your life if you do not do what He says.TrueFalseThe Pharisees honored God with their lips but not with their hearts.TrueFalseGod appreciates the worship even of a hypocrite.TrueFalseGod wants the worshiper to be a person who is seeking to be holy.TrueFalseA hypocrite is a person who outwardly claims to worship God but inwardly has no love for God and does not try to obey God; he merely acts the part. TrueFalse Least to greatest 1/2, 2/5, 6/10 In which situation would an object weigh the LEAST? (assume all the objects have the same mass) A)an object on Earth Eliminate B)an object on the moon C)an object half-way between the Earth and moon D)an object in space closer to the moon than the Earth Time 6 years Interest rate 1.9% Principal- $850 What amount of simple interest will be earned? $16.15 O $96.90 $946.90 $9,690.00 In the second paragraph, what is the idea the author is trying to convey about the book, using descriptors like "not textbooks," "impressionistic," and "introductions"? That anyone can misinterpret the meaning of the books That anyone can understand and enjoy the books That the books are less expensive and more useful That the books are less frivolous and more academic The slope of the line whose equation is x+2y=3 is A Gardener has 560 feet of fencing to fence in a rectangular garden. One side of the garden is bordered by a river so it does not need any fencing. What dimensions would guarantee that The Gardener has the greatest possible area All animals can probably trace their lineage to a common ancestor that lived in the _____. Consider U = {x|x is a positive integer greater than 1}.Which is an empty set?{x|x U and 1/2 x is prime}{x|x U and 2x is prime}{x|x U and 1/2 can be written as a fraction}{x|x U and 2x can be written as a fraction} Find the length of a line segment with endpoints of -9 and 7. I don't understand how to do this.A.-16B.-2C.16D.26, Choose the sentence that is not grammatically correct. Es la primer vez que veo esa pelcula. Es la primera vez que veo esa pelcula.Es la cuarta vez que veo esa pelcula.Es la segunda vez que veo esa pelcula. Please help quick if you know the answer Why do submarines have to be built with such strong, thick walls, compared to ships? Explain in as much detail as you can using ideas about water pressure. Read the excerpt from The Scarlet Ibis.1 Its strange that all this is still so clear to me, now that the summer has long since fled and time has had its way. 2 A grindstone stands where the bleeding tree stood, just outside the kitchen door, and now if an oriole sings in the elm, its song seems to die up in the leaves, a silvery dust. 3 The flower garden is prim, the house a gleaming white, and the pale fence across the yard stands straight and spruce. 4 But sometimes (like right now), as I sit in the cool, green-draped parlor, the grindstone begins to turn, and time with all its changes is ground awayand I remember Doodle.Which sentence from the excerpt is foreshadowing and why?Sentence 1 because it foreshadows that something tragic happened to the narrator in the distant past.Sentence 2 because it foreshadows that the story is primarily about some type of bird.Sentence 3 because it foreshadows that something significant happened in either the house or flower garden.Sentence 4 because it foreshadows that Doodle is no longer present in the narrators life.A.Sentence 1 because it foreshadows that something tragic happened to the narrator in the distant past.B.Sentence 2 because it foreshadows that the story is primarily about some type of bird.C.Sentence 3 because it foreshadows that something significant happened in either the house or flower garden.D.Sentence 4 because it foreshadows that Doodle is no longer present in the narrators life. According to erikson, if a middle-aged person is unable to focus outward and is still dealing with issues of intimacy or even identity, that person is experiencing _______. find the second, fourth, and eleventh terms of the sequence described by each explicit formula A(n)=2+(n-1)(-2.5) In a drama, what is a soliloquy?a character making a long speech to one or more of the other charactersa character having a conversation with one or more of the other charactersa character speaking his or her thoughts aloud while alone on stagea character making a quick comment to the audience that other characters do not hear If an investment is considered volatile, it means...A) the investment will experience rapid growth over time.B) the value of the investment may be hard to predict.C) the investment is high-risk, and its price will increase quickly.D) the investment is undervalued and may increase over time. Describe the occasion in which the bacterial dna withstood conditions