Mathematics High School

First combined weight of three packages that weigh 5 1/2 pounds 4 7/16 pounds and 3 3/8 pounds

Answers

Answer 1
5 1/2 + 4 7/6= 9.9+3 3/8=13.37

Related Questions

What is the next number in the sequence? 55, 34, 21, 13, 8…?

Answers

The next number is 5.

Each number in the sequence is the (positive) difference of the previous two numbers.

what is the surface area?

Answers

check the picture below.

so as you can see, the figure is really just 3 rectangles and 2 triangles.

the rectangles are 5x7, another 5x7, and the one at the bottom is a 6x7.

the triangles have a base of 6, a height of 4.

so, just the area of each, add them up, and that's the area of the figure.

[tex]\bf \stackrel{left~and~right}{(5\cdot 7)}+\stackrel{bottom}{(6\cdot 7)}+\stackrel{front~and~back}{2\left[\frac{1}{2}(4)(6) \right]}[/tex]

△ABC∼△LMN , AB is 8 inches, ​ BC ​ is 14 inches, and LM is 12 inches.

What is ​​ MN ?

Answers

Similar triangles have side lengths that are proportional.
We setup a proportion using the given information.

AB/LM = BC/MN

8/12 = 14/MN

8(MN) = 12 * 14

8(MN) = 168

MN = 168/8

MN = 21
16 might be your answer if not I am truly dearly sorry

What is the interior angle if the outside equals 110?

Answers

Interior and exterior angles are supplementary. The corresponding interior angle is 180° -110° = 70°.

Find the area of the parallelogram with vertices a(1,2,3), b(1,3,6), c(3,8,6), and d(3,7,3,)

Answers

The answer is: A=√265.

Please help me, will give thanks, lots of points, friend request, and brainliest. Alongside that, I will help you with any questions in science, english, or history that you may have.

Assume a and b are nonzero rational numbers and c and d are irrational numbers. For each of the following expressions, determine whether the result is irrational, rational, or both. Justify your answers.
Part A: b(a + d)
Part B: left parenthesis b square root of five end square root right parenthesis cubed
Part C: a + (cb)

Answers

Part A: Well product of two rationals is always rational. And the sum of a rational and an irrational is irrational.

They give you too much freedom in your choice though. Like for part A, what if we let b=-1 (rational) c=pi (irrational d=pi (irrational) Then bc+d = -pi + pi = 0 (rational) Maybe they didn't want you to consider 0 because otherwise all of these options can be rational.

Do you understand the difference between a rational and irrational number? Rationals can be written as a fraction containing whole numbers. Irrationals can not. Here are some examples of rational numbers: 3/2 is rational because its a whole number divided by a whole number. 7 is a rational number because it can be written as 7/1. −4 is a rational number, it also can be written in this form −4/1. This next one maybe seem surprising, but, 0 is a rational number. It also can be written as 0/1, but not as 0/0 (Which is not a number).


So in the end 
A:  virtually any sum or product involving an irrational number will be irrational. 
B. (√7)^2 = 7 ... rational 
C. all numbers involved are rational, so this result is rational

All results are irrational.
You have the following "rules."
- the sum of rational and irrational is irrational
- the product of rational and irrational is irrational

A. The first rule applies inside parentheses. The second rule applies then.

B. The result is (rational)*(5^(3/2)). The latter factor is irrational, so the second rule applies.

C. The second rule applies inside parentheses. The first rule applies then.

In the standard equation for a circle centered at any point, a change in the value of the number that is part of the x-term results in a vertical movement ? True or false?

Answers

It is false. The x is usually horizontal.

Answer:

It is False as Changing value of x coordinate  results in horizontal movement not in vertical moment.

Step-by-step explanation:

Standard form of circle is given by,

[tex](x-h)^2+(y-k)^2=r^2[/tex]

where, ( h, k ) = Coordinates of circle and r is radius of circle.

here h is part of x- term.

So, if change value of h to p keeping k and r constant. The coordinate of center shifted in horizontal line whose equation is y = k.

Therefor, It is False as Changing value of x coordinate  results in horizontal movement not in vertical moment.

Analyze the key features of the graph of the quadratic function f(x) = -x2 + 2x + 10. A. Does the parabola open up or down?
B. Is the vertex a minimum or a maximum?
C. Identify the axis of symmetry, vertex and the y-intercept of the parabola.

Answers

see the attached graphic

the parabola open down
the vertex is a maximum
the axis of symmetry is the y axis
the y-intercept of the parabola.is the point (0,10)

SOS

Answer

A: Down

B: Max

C:

AOS: x = 1Vertex: (1, 11)Y-Int: (0, 10)

Step-by-step explanation:

A: If the leading coefficient (a) is positive, the graph opens UP. If it is negative, the graph opens DOWN.

B: Anytime the graph goes UP, there's a minimum. Anytime the graph goes DOWN, there's a maximum

C:

AOS: [tex]x = \frac{-b}{2a}, a=-1, b=2, c=10[/tex]

Vertex: [tex](\frac{-b}{2a}, y)[/tex]

Y-INT:  let x=0 and solve for y. The coordinate of the y-intercept is (0, y).

Hope this helps!!

Choose the correct box of the best buy available.
a .a box of cookies for $1.89
b. two boxes of cookies for $3.69

Answers

1.89 times 2 is $3.78 which is more than 3.69, so the answer is b.
The correct answer is B because if you do the multiplication between 1.89 times 2 and it will give you $3.78 which is more than 3.69

Jenna throws a stone off a pier and into the ocean. The graph models how the height of the stone, above sea level, changes over time.

Select from the drop-down menu to interpret the decreasing interval of the graph.


The stone was falling toward the water from



https://static.k12.com/nextgen_media/assets/8090396-NG_AL1_O_07_012_Quiz_05.png

Answers

0.5 after it was thrown until 1.5 after it was thrown 

This should get you a hundred on the 4.11 quiz. :)

1. Write using exponents. (–4)(–4)

Answers

Exponents are used as a shorthand notation for repeated multiplication.
  [tex] (-4)(-4) = (-4)^{2}[/tex]

a cylinder has a circumgerence of 12pi cm and a height that is half the radius. what is the total surface

Answers

[tex]\bf \textit{circumference of a circle}\\\\ C=2\pi r\quad \begin{cases} r=radius\\ -----\\ C=12\pi \end{cases}\implies 12\pi =2\pi r\implies \cfrac{12\pi }{2\pi }=r\implies 6=r\\\\ -------------------------------\\\\ \textit{total surface of a cylinder}\\\\ S=2\pi r(h+r)\quad \begin{cases} r=6\\ h=\stackrel{half~of~r}{3} \end{cases}\implies S= 2\pi (6)(3+6)[/tex]

and surely you know how much that is.

Sue's Sushi placed two orders with its fish supplier. One order was for 15 pounds of salmon and 8 pounds of tuna; the order totaled $259. The other order was for 12 pounds of salmon and 6 pounds of tuna; this order totaled $204. What is the cost for one pound of salmon and one pound of tuna?

Answers

x= salmon cost per pound
y= tuna cost per pound

$15x + $8y= $259
$12x + $6y= $204

Solve for one variable in one equation and substitute it in the other equation.

15x + 8y= 259
subtract both sides by 8y
15x= 259 - 8y
divide both sides by 15
x=(259-8y)/15

Substitute in second equation

12x + 6y= 204
12((259-8y)/15) + 6y= 204
multiply everything by 15 to eliminate fraction

(15)(12(259-8y)/15) + (15)(6y)= (204)(15)
(12*259) + (12*-8y) + 90y= 3060
multiply inside parentheses

3108 - 96y + 90y= 3060
combine like terms & subtract 3108 from both sides

-6y= -48
divide both sides by -6

y= $8 cost of tuna per pound

Substitute y=8 in either equation
15x + 8y= 259
15x + 8(8)= 259
15x + 64= 259
15x= 195
x= $13 cost of salmon per pound

CHECK:
12x + 6y= 204
12(13) + 6(8)= 204
156 + 48= 204
204= 204

ANSWER: One pound of salmon costs $13 and one pound of tuna costs $8.

Hope this helps! :)

Suppose that F(x) = x^3 and G(x) = (4x)^3 − 5. Which statement best compares the graphs of F(x) and G(x)?

A.The graph of G(x) is the graph of F(x) stretched vertically and shifted 5 units down.
B.The graph of G(x) is the graph of F(x) stretched horizontally and shifted 5 units down.
C.The graph of G(x) is the graph of F(x) compressed vertically and shifted 5 units down.
D.The graph of G(x) is the graph of F(x) compressed horizontally and shifted 5 units down.

Answers

Final answer:

The graph of G(x) is the graph of F(x) stretched horizontally by a factor of 4 and shifted 5 units down.

Explanation:

Comparing the functions [tex]F(x) = x^3[/tex] and  [tex]G(x) = (4x)^3 - 5[/tex]reveals the relationship between their graphs. G(x) is a horizontal stretch of F(x) by a factor of 4 due to the presence of "4x." Additionally, the constant term "-5" shifts the graph downward by 5 units. Consequently, G(x) can be accurately characterized as a horizontal stretching of F(x) and a vertical shift downward by 5 units, altering the shape and position of the original cubic function F(x).

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please someone help me!

Answers

The perimeter is double the sum of the sides.
.. P = 2(3x/(x +10) +x^2/(x -5))
.. = 2(3x(x -5) +x^2(x +10))/((x +10)(x -5))
.. = 2(x^3 +13x^2 -15x)/(x^2 +5x -50)

[tex]P=\frac{2x^{3}+26x^{2}-30x}{x^{2}+5x-50}[/tex]

Which pair of measurements is equivalent?
8,600 mg, 86 g
2,500 g, 250 kg
3.4 kg, 3,400 g
480 g, 4.8 mg

Answers

Let's look at each pair and change it so the first one in the pair will be what the second one will be converted to.
8,600 mg = 86,000 mg; So now, the first one is not equivalent.
2,500 g = 250,000 g; Not that one either.
3.4 kg = 3.4 kg; This one is correct. We can check by checking the last pair.
480 g = .0048 g; Nope.
So 3.4 kg, 3400 g would be the correct answer.

Answer:

3.4 kg, 3,400 g



Reggie currently has a square rug in his living room. He is moving soon and has determined that for his new living room, he will need a rug that has a width that is two feet shorter than his current rug and a length that is five feet longer than his current rug. Let x represents the side measure of Reggie's current rug, in feet. Determine the equation that represents the area, y, in square feet, of the rug needed for his new living room.




y = x2 + 3x - 10



y = x2 - 7x + 10



y = x2 - 3x - 10



y = x2 + 7x + 10

Answers

Answer:
y = x² + 3x - 10

Explanation:
Reggie's current rug has a square shape.
This means that:
length of rug = x ft
width of rug = x ft

For the new rug:
1- the length is 5 ft longer than the current rug. This means that:
new length = x + 5 ft
2- the width is 2 ft shorter than the current rug. This means that:
new width = x - 2 ft

The area of the new rug can be calculated as follows:
area of new rug = new length * new width
area of new rug = (x + 5)(x - 2)
area of new rug = x(x) - 2(x) + 5(x) - 5(2)
area of new rug = x² - 2x + 5x - 10
area of new rug = x² + 3x - 10 ft²

Hope this helps :)

Answer:

C. y = x² + 3x - 10

Step-by-step explanation:

Reggie's current rug has a square shape.

This means that:

length of rug = x ft

width of rug = x ft

For the new rug:

1- the length is 5 ft longer than the current rug. This means that:

new length = x + 5 ft

2- the width is 2 ft shorter than the current rug. This means that:

new width = x - 2 ft

The area of the new rug can be calculated as follows:

area of new rug = new length * new width

area of new rug = (x + 5)(x - 2)

area of new rug = x(x) - 2(x) + 5(x) - 5(2)

area of new rug = x² - 2x + 5x - 10

area of new rug = x² + 3x - 10 ft²

Just took the test <3.

Suppose that x=6 and y=8. If y is inversely related to x, what is y when x=3?
A)4
B)5
C)16
D)18

Answers

[tex]\bf \qquad \qquad \textit{inverse proportional variation}\\\\ \textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array}\\\\ -------------------------------\\\\ \textit{we also know that } \begin{cases} x=6\\ y=8 \end{cases}\implies 8=\cfrac{k}{6}\implies 48=k \\\\\\ therefore\qquad \boxed{y=\cfrac{48}{x}} \\\\\\ \textit{when x = 3, what is \underline{y}?}\qquad y=\cfrac{48}{3}[/tex]

The value of y when x=3 is 16.

What is proportion?

In general, the term "proportion" refers to a part, share, or amount that is compared to a total.

According to the concept of proportion, two ratios are in proportion when they are equal.

A mathematical comparison of two numbers is called a proportion. According to proportion, two sets of provided numbers are said to be directly proportional to one another if they increase or decrease in the same ratio. "::" or "=" are symbols used to indicate proportions.

Given:

we have x=6 and y= 8.

If y is inversely related to x

y α 1/x

y= k/x

where is constant of proportionality

k = yx

k = 8(6)

k =48

So, y= k/x

y = 48/ 3

y= 16

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Using the graph below, what is the 10th term of the arithmetic sequence?

A.a10 = 26

B.a10 = 31

C.a10 = 30

D.a10 = 436

Answers

Final answer:

The 10th term of an arithmetic sequence can be found using the formula an = a1 + (n - 1)d, where an is the nth term, a1 is the first term, n is the term number, and d is the common difference. Without the graph or additional information, we cannot compute the 10th term for the given sequence.

Explanation:

The question asks us to determine the 10th term of an arithmetic sequence using a provided graph. Unfortunately, the actual graph is not provided in the question. An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant, known as the common difference. To find the 10th term of an arithmetic sequence, we would use the formula:

an = a1 + (n - 1)d

where an is the nth term of the sequence, a1 is the first term, n is the term number, and d is the common difference. However, without the graph or additional information such as the first term or the common difference, we cannot accurately determine the 10th term, and any answer from the provided options would be purely a guess.

Final answer:

To find the 10th term of an arithmetic sequence, we need to use the formula an = a1 + (n-1)d, where an is the nth term, a1 is the first term, n is the position of the term, and d is the common difference. In this case, the common difference is -3. Substituting the values into the formula, the 10th term is -24.

Explanation:

To find the 10th term of an arithmetic sequence, we need to identify the common difference and use the formula:

an = a1 + (n-1)d

where an is the nth term, a1 is the first term, n is the position of the term, and d is the common difference.

In this case, the given sequence is 3; 14; 11; 5; 16; 17; 28; 41; 31; 18. By comparing the terms, we can see that the common difference is -3.

Substituting the values into the formula:

a10 = 3 + (10-1)(-3) = 3 - 27 = -24

The 10th term of the arithmetic sequence is -24.

A rectangle is 1/2 feet long and 3/4 feet wide. What is the area of the rectangle?

Answers

3/8 because to find the area you multiply both numbers so 1*3 is 3 and 2*4 is 8 so your answer should be 3/8

The area of the rectangle having a length of 1.2 feet and a width of 3/4 feet is 3/8 sq feet.

What are the area and perimeter of a rectangle?

We know the perimeter of any 2D figure is the sum of the lengths of all the sides except the circle and the area of a rectangle is the product of its length and width.

We know the area of a rectangle is (length×width).

Given, A rectangle is 1/2 feet long and 3/4 feet wide.

Therefore, The area of this rectangle is,

= (1/2×3/4) sq feet.

= 3/8 sq feet.

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What is the value of 0.36 repeating times 11/2?

Answers

The value of 0.36 repeating times 11/2 is 2.

What is Fraction?

A fraction represents a part of a whole.

To find the value of 0.36 repeating (which we can write as 0.36363636...) times 11/2.

Convert the repeating decimal to a fraction.

Let x = 0.36363636...

Then 100x = 36.36363636...

Subtracting x from 100x, we get:

99x = 36

x = 36/99 = 4/11

Now Multiply the fraction by 11/2.

(4/11) x (11/2) = 2

Therefore, the value of 0.36 repeating times 11/2 is 2.

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What are the solutions to the equation? n2−8n+16=25 Enter your answers in the boxes.
n1=
n2=

Answers

n^2 - 8n - 9 = 0

(n - 9)(n + 1) = 0

n1= 9

n2= -1
not entirely sure what you are looking for but the answer to n2-8n+16=25 is n=9, -1

Choose the graph of y > x2 − 9.

Answers

The first graph is the answer. 

Answer with explanation:

The given inequality which represents parabola:

     y> x²-9

Checking whether, (0,0) origin satisfies this inequality or not

0 > 0²-9

0> -9

Inequality is true.

So, origin will come under the shaded region.

Points on the boundary are not included.

A study found that 3939​% of the assisted reproductive technology​ (art) cycles resulted in pregnancies. ​twenty-fourfour percent of the art pregnancies resulted in multiple births. ​(a) find the probability that a random selected art cycle resulted in a pregnancy and produced a multiple birth. ​(b) find the probability that a randomly selected art cycle that resulted in a pregnancy did not produce a multiple birth. ​(c) would it be unusual for a randomly selected art cycle to result in a pregnancy and produce a multiple​ birth? explain

Answers

(a)    Let A be an ART cycle pregnancy and;B be the event that an ART cycle resulted in a multiple birth.
P(A and B) = P(A).P(B│A)
Look for P(A) and P(B│A).
P(A) = 39/100 = 0.39
P(B│A) =24/100 = 0.24
The probability that a randomly selected ART cycle resulted in a pregnancy and produced a multiple birth is P(A and B) is:
P(A and B) = P(A). P(B│A)
= 0.39 * 0.24
= 0.0936
 
(b)   Let B ’ - the complement of B. This means that this is the probability that a randomly selected ART cycle that resulted in a pregnancy did not make a multiple birth is P(B’│A).
Determine P(B’│A) using the formula the complement of an event, P(E’) = 1 – P(E), where E is an event and E’ is its complement. Recall that P(B│A) = 0.24.
P(B’│A) = 1 – P(B│A)
= 1 – 0.24
= 0.76
 (c)   Knowing that P(A and B) = 0.0936. An event that happens with a probability of 0.05 or less is normally considered unusual. Use this information to know whether it would be unusual for a randomly selected ART cycle to result in a pregnancy and produce a multiple birth. 
The correct answers are:

0.0936;
0.2964; and
no.

Explanation:

39% of ART cycles result in pregnancy. Of those, 24% result in multiple births. To find the probability that a random ART cycle results in a pregnancy with multiple births, we want to find 24% of 39%; this means we multiply these:
0.24(0.39) = 0.0936.

To find the probability that it will not result in multiple births, we subtract from 100%; since 24% of the pregnancies are multiple births, 100-24 = 76% will not be multiple births.

Now we find 76% of 39%; we multiply again: 0.76(0.39) = 0.2964.

In statistics, a result is considered unusual if the probability is 0.05 or less. Our probability was 0.0936, which is greater than 0.05; thus it is not unusual.

algebra 2 unit 2 question. connexus.

Answers

From the graph we can infer that our function crosses the x-axis at -2.5, 0.5, and 1.5, so those are the zeroes of the function.
Next, lets convert those decimals into fractions by adding a denominator 1 to each decimal and multiply both its numerator and denominator by a power 10 that lets us get rid of the decimal point:
[tex]( \frac{-2.5}{1} )( \frac{10}{10} )= \frac{-25}{10} =- \frac{5}{2} [/tex]
[tex]( \frac{0.5}{1} )( \frac{10}{10} )= \frac{5}{10} = \frac{1}{2} [/tex]
[tex]( \frac{1.5}{1} )( \frac{10}{10} )= \frac{15}{10} = \frac{3}{2} [/tex]

Since we know that each one of those points is a zero of the function ([tex]x=0[/tex]), we can replace each value into our [tex]x=0[/tex], and work backwards to get our binomials:
[tex]x=- \frac{5}{2} [/tex]
[tex]2x=-5[/tex]
[tex]2x+5=0[/tex]
So, our first binomial is [tex](2x+5)[/tex]

[tex]x= \frac{1}{2} [/tex]
[tex]2x=1[/tex]
[tex]2x-1=0[/tex]
So, our second binomial is [tex](2x-1)[/tex]

[tex]x= \frac{3}{2} [/tex]
[tex]2x=3[/tex]
[tex]2x-3=0[/tex]
So, our next binomial is [tex](2x-3)[/tex]

Now lets put all together to find the equation of our function:
[tex]y=(2x+5)(2x-1)(2x-3)[/tex]
And of course, we can rewrite it in a different order:
[tex]y=(2x-1)(2x-3)(2x+5)[/tex]

We can conclude that the equation that most likely represents the graph of the function is [tex]y=(2x-1)(2x-3)(2x+5)[/tex]
Final answer:

The subject of this question is Mathematics, specifically Algebra 2.

Explanation:

The subject of this question is Mathematics, specifically Algebra 2.

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One of the factors of 6x3 − 864x is

A. 4
B. X^2
C. X + 12
D. X - 8

Answers

The answer is C. X+12

Consider the expression [tex]6x^3-864x.[/tex] This expression consists of two terms: [tex]6x^3[/tex] and [tex]-864x.[/tex]

These two terms have common factors 6 and x, because:

[tex]6x^3=6x\cdot x^2;[/tex][tex]-864x=6x\cdot (-144).[/tex]

Then

[tex]6x^3-864x=6x(x^2-144).[/tex]

You know that [tex]144=12^2.[/tex] Use the formula for the difference of squares:

[tex]x^2-144=x^2-12^2=(x-12)(x+12).[/tex]

Therefore,

[tex]6x^3-864=6x(x-12)(x+12).[/tex]

Answer: correct choice is C.

Tiny's Tattoo Parlor sold 389 tattoos this month. 43 of those tattoos were arm tattoos. Based on this data, what is a reasonable estimate of the probability that the next customer does not get an arm tattoo?

Answers

Answer:

346/389

Step-by-step explanation:

correct on khan academy!

The reasonable estimate of the probability that the next customer does not get an arm tattoo is 346/389.

What is Probability?

Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1.

Here, Based on the given conditions, formulate

Probability = Favorable outcome / Total outcome

Calculate the sum or difference: (389-43)/389

get the result:  346/389

Thus.the reasonable estimate of the probability that the next customer does not get an arm tattoo is 346/389.

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If a chicken farm sold 3000 dozen eggs last week how many individual eggs were sold

Answers

Let us start it off simple with a basic question. What is a Dozen? The answer is 12. That means in order to find the correct answer we must multiply 3000 by 12. This is due to the fact that the question is asking us "3000 dozen eggs." 

3000*12= 36,000
That means that a total of 36,000 eggs were sold last week.

Hope This Helps! :)
36000 i hope this helps 

multiply3000x12

12=number of eggs in a dozen

PLEASE HELP ME QUICKLY!!!

BRAINLIEST AVAILABLE TO CORRECT ANSWER

Answers

I would like to know the possible answers since I can’t infer whether the total price is changed, but i would assume that m would need to increase if that’s the case when b is halved, and that when m is tripled b and mx would increase since prices would be going up

A $4,000.00 principal earns 5% interest, compounded annually. After 4 years, what is the balance in the account?
$500,000.00
$4,862.03
$4,600.00
$20,250.00
24.
A $6,000.00 principal earns 8% interest, compounded semiannually. After 35 years, what is the balance in the account?
$22,800.00
$39,600.00
$88,712.07
$93,429.71
25.
A tractor costs $15,450.00 and depreciates in value by 14% per year. How much will the tractor be worth after 3 years? $22,889.85
$15,408.00
$8,451.28
$9,827.07

Answers

4000(1.05)⁴=$4862.03

6000(1+ .08/2)^35(2)=$93429.71

15450(.86)³=$9827.07
the first one is a
the second one is b
the third is a
Other Questions
The christian church of western europe from the council of Nicaea to its split during the protestant reformation was the..A. eastern orthodox churchB. roman catholic churchC. Lutheran churchD. Anglican churchE. Presbyterian church From these data, you propose a model of how s. aureus changes from a harmless bacterium on the skin to a serious pathogen inside a wound. arrange the steps in order to complete your model. not all labels will be used. see hint 1 for help getting started. hints in 'the story of an hour,' the flashback of letting us know of Mrs. Mallory's heart condition was used to:A. create suspenseB. develop characterC. make her later death believableD. create a flashback In his recollection of the incident why did Winston go to a tube station with his family 2. Why are recipes important in the culinary arts world? Name two reasons. A community mental health nurse cares for a patient diagnosed with schizophrenia who takes olanzapine. in addition to monitoring the patient's mental status, the nurse regularly should assess what of the patient? Why sometimes people use credit card to pay for items instead of just using cash what evidence of a chemical change is observed when rust forms on iron Which is NOT a Correct name for the line shown evaluate the impact of rapid industrialization on American society in the period 1875-1900. write a pargraph (10 sentences) at least explaining it Explain why 81 3/4 equals 27 A polygon that has all sides the same measure and all angles the same measure is called what? A. Convex polygon B. Concave polygon C. Irregular polygon D. Regular polygon An essay about solving world hunger is most likely to follow which organizational structure?compare/contrastchronologicalproblem/solutionorder of importance Why did the Dakota Sioux start an uprising in 1862? Wellness is a continuum, which means __________. 1. Of the six species of seals found in Antarctica, four of them breed on the actual ice in the spring months. Which species of seal or ice expert?A. Crab eater, leopard, harbor, elephant B. Crab eater, leopard, fur, elephant C. Crab eater, wedded, Ross, leopardD. Ross, wedded, leopard, fur2. Ice that forms and then melts seasonally around the coast of Antarctica is best described asA. Oceanic iceB. Glacial iceC. Sea ice D. Continental ice3. All of the factors below play a role in creating ocean currents. Which factor has the greatest influence on weather patterns?A. Earths rotation B. Heat capacity C. Salinity D. Bottom topography 4. Cold water upwelling help increase the number of organisms in an area by bringingA. Warm water to the areaB. More predators C. More nutrients from the bottomD. Warm water nutrients from the top5. What is the difference between El Nio and La Nia?6. Which of the following statements about sea surface temperature is evidence of La Nia year?A. It is greater than normal in the Eastern Pacific B. It is lower than normal is the Western Pacific C. It is greater than normal in the Western Pacific D. It is lower than normal in the Eastern Pacific E. Normal Pattern7. Why is it beneficial to use names for hurricanes over latitude-longitude identification methods?8. Which of the following organisms does NOT rely on krill as a major food source?A. Adlie penguinsB. Leopard seal C. Humpback whale D. Squid9. Adlie penguins feed mostly on krill but switch to fish during the breeding season and then to squid during the winter. What is a good explanation for this?A. Fish and squid are more abundant, and krill is more scarceB. Fish and squid provide more energy than krillC. Fish and squid is more abundant, and krill is more available D. Fish and squid is preferred but is not as available during the other months10. All of the following are ways the penguins stay warm EXCEPT A. Swimming fastB. Fat reserves C. Layers of feathers D. Staying close together in groups11. The population of penguins has increased greatly over the past several decades. Part of this can be attributed to the over-hunting of baleen whales. Develop a logical argument for why these two occurrences can be connected. Meredith takes a glass of water outside on a hot summer day and leaves it there for several hours. When she returns, part of the water has evaporated and there is less water in the glass. What kind of state change did some of the water go through to make it disappear? A. It changed from a solid to a gas. B. It changed from a gas to a liquid. C. It changed from a liquid to a solid. D. It changed from a liquid to a gas. Each statement describes a transformation of the graph of y = log2x. Which statement correctly describes the graph of y = log2(x + 3) - 9? It is the graph of y = log2x translated 3 units down and 9 units to the left. It is the graph of y = log2x translated 9 units down and 3 units to the right. It is the graph of y = log2x translated 9 units down and 3 units to the left. It is the graph of y = log2x translated 3 units up and 9 units to the left. Without calculating, explain how many decimal places are in the product 0.6 X0.4 X 1.9. Rewrite the expression as the product of two decimals to support your answer. helppppppppppppppppppppppppppppp