The sales tax in the city of Taxemalot is 8.1%. What is the growth factor for any item purchased at your local Tarmart? a.8.1 c.1.081 b.0.81 d.81

Answers

Answer 1
I have to go to the store and get some rest and feel better soon and that is the only way I can get a ride to the airport on Friday and I will be there at the same time I don't have to go to the store and get some rest and feel better soon and that is the only way to get the attention of the day at the office and I will be there at the same time

Related Questions

The steepness, or grade, of a highway or railroad is expressed as a percent. In the photo of the cog railway at Pike’s Peak, in Colorado, the grade is 18%. Thus, for every 100 ft of horizontal run, the train rises 18 ft. Find the angle of the inclination of the railway.

Answers

The angle of inclination is 10.2°.

The angle of inclination will be between the hypotenuse of the triangle and the bottom leg.  The bottom leg is the 100 ft run.  The rise of 18 feet will be the other leg, which is opposite this angle.  

This gives us the sides opposite and adjacent the angle we are looking for; opposite/adjacent is the ratio for tangent:

tan x = 18/100

We can solve this using inverse tangent:
tan⁻¹ x = tan ⁻¹(18/100) 
x = 10.2°

The coordinate grid shows the plot of four equations. A coordinate plane is shown with four lines graphed. Line A crosses the x axis at negative 3.2 and has a slope of 4. Line B crosses the x axis at 3 and the y axis at 6. Line C crosses the x axis at 1.5 and the y axis at negative 6. Line D crosses the x axis at negative 3 and the y axis at 3. Which set of equations has (2, 2) as its solution? A and D B and D A and C B and C

Answers

let m be the slope and b the y-intercept:

m=(y-y)/(x-x) and y=mx+b

Line A 

y=4x-3.2

Line B 

(3,0) and (0,6)

m= 6/-3= -2

y= -2x+b

0=-2(3)+b

b=6

y= -2x+6

Line C

(1.5,0) and (0,-6)

m=-6/-1.5=4

y=4x+b

0=4(1.5)+b

b = -6

y=4x-6

Line D

(-3,0) and (0,3)

m=3/3=1

y=x+b

0=-3+b

b=3

y=x+3



Line B and C is your answer

If you want to put a 4x8 piece of plywood through a 3 foot square opening in your ceiling by turning it diagonally is the opening big enough? use a 45-45-90 since its a square

Answers

Answer: Yes, the 3 foot 3 foot square opening in your ceiling is big enough to insert a  4x8 piece of plywood.

 

In  a 3x3 foot square, we can form two right triangles with same diagonal side or hypotenuse. .

Using the Pythagorean theorem/formula, we can find the length of the hypotenuse or the longest side of the triangle ( c) given the two sides a and b

Substitute values a=3 and b=3 to formula

a^2^+b^2^=C^2^=

3^2^+3^2^=C^2^=

9+9= C^2^

C= square root of 18

C=4.24 

A 4x8 piece of plywood can be inserted in a 4.24 opening diagonally.

 

The equation sin(40o) =b/20 can be used to determine the length of line segment AC. What is the length of AC? Round to the nearest tenth.

Answers

For this case we have the following equation:
 sin (40o) = b / 20
 Clearing b we have:
 20 * sin (40o) = b
 Therefore, the length of the AC segment is given by:
 b = 12.9
 Answer:
 
the length of AC is:
 
b = 12.9

Divide 420 in the ratio of 2:1

Answers

first divide 420  by (2 + 1)  which is 3 :-

420 / 3 = 140

so we have 140 * 2 = 280
and 140 * 1 = 140

Answer  280 and 140

The negative sign can be read as "the opposite of." true or false

Answers

True if you’re solving for a solution but if it’s the solution has a negative since it can’t be read as positive

Answer:

true

Step-by-step explanation:

A biology class of 24 students decides to measure the height of each student and then calculate the average height for the class. which of these is a possible source of error in this activity?

Answers

the accuracy of making and recording measurements.

Answer: The possible source of error in this activity is " the accuracy of making and recording measurements"

The height of each and every student in the class has to be taken very accurately. Even if there was a single error in either making the calculation or even recording it, the average height will take a hit and will result in the entire exercise being a failure.

Hence, it’s very important to accurately measure the height and record and even have a second person do the same activity so that the numbers recorded are accurate.


C) the function f(x) = −x2 + 16x − 60 models the daily profit, in dollars, a shop makes for selling candles, where x is the number of candles sold, and f(x) is the amount of profit. part
a.determine the vertex. what does this calculation mean in the context of the problem? part
b.determine the x-intercepts. what do these values mean in the context of the problem?

Answers

Given the function modeling the profit:
f(x)=-x^2+16x-60

a)a.determine the vertex. what does this calculation mean in the context of the problem? 
The vertex form is given by y=(x-h)^2+k, where (h,k) is the vertex:
y=f(x)=-x^2+16x-60
y=x^2-16x+60
c=(-b/2a)^2
b=16
thus
c=(-16/2)^2=64
hence:
y=x^2-16x+64+60-64
y=(x-8)(x-8)-4
y=(x-8)^2-4
hence the vertex form will be:
y=(x-8)^2-4 the vertex is (8,-4)
The vertex represents the highest point of the graph which is the highest daily profits attained.

b] determine the x-intercepts. what do these values mean in the context of the problem?
let y=0 thus
0=−x2 + 16x − 60
factorizing the above we get:
0=x^2-16x+60
0=x^2-6x-10x+60
0=x(x-6)-10(x-6)
thus
x=6 and x=10
thus the x-intercepts are x=6 and x=10, they represent the breakeven point. The minimum number of units they can sell and not make any profit

which function is a quadratic function?

Answers

d) y=-2x^2-x is quadratic, when graphed it will create a parabola.

Answer:

y = -2x² - x is quadratic function.

Step-by-step explanation:

Given : Function .

To find : Which function is a quadratic function.

Solution : We have given that functions .

Quadratic function: A quadratic function is one of the form f(x) = ax² + bx + c, where a, b, and c are numbers.

We can see from given options

y = -2x² - x in form of f(x) = ax² + bx + c,

Where, a = -2 , b = -1 c = 0

Therefore,  y = -2x² - x is quadratic function.

please help with this vertical asymptote of rational functions problem

A. x= -5
B. x=0
C. x= -2
D. x= 5

Answers

The expression can be written in simplified form as:

[tex]f(x)= \frac{5x+10}{ x^{2} +7x+10} \\ \\ f(x)= \frac{5(x+2)}{ x^{2} +2x+5x+10} \\ \\ f(x)= \frac{5(x+2)}{(x+2)(x+5)} [/tex]

x+2 occurs in both numerator and denominator. This means there is a hole at x=-2, this can also be seen from the graph.

So, the vertical asymtptote will occur at the point where:
x+5=0

x = -5

So, option A gives the correct equation of the vertical asymptote of the function
The answer is the first option, which is:

 x=-5

 The explanation is shown below:

1.To solve this problem you must apply the proccedure shown below:

 2. You must factor the denominator, as following:

 f(x)=(5x+10)/(x^2+7x+10)
 f((x)=(5x+10)/(x+2)(x+5)

 x+5=0
 x=-5

The ratio of gold charms to silver charms is 1:3. Which statement does not describe the relationship?

Answers

Hello!

The ratio from gold charms to silver charms is 1:3

This means for every gold charm there are 3 silver ones

Choice A says the opposite so this is the answer

The answer is A) For every silver charm, there are 3 gold charms.

Hope this helps!

Answer: A

Step-by-step explanation:

The scores on a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. If 85 students took the exam, and above a 60 is a passing grade, how many students failed the exam?

A. 2
B. 12
C. 13
D. 1

Answers

Hello,
Please, see the attached file.
Thanks.

A twelve inch candle and an 18 inch candle are lit at 6pm. The 12-in. candle burns 0.5 inches every hour. The 18 inch candle burns two inches every hour. At what time will the two candles be the same height? Let h represent the number of hours.

Answers

Answer:

At 10 PM both candles will be same height.

Step-by-step explanation:

Let h represent the number of hours.

We have  twelve inch candle and an 18 inch candle are lit at 6pm and the 12-in. candle burns 0.5 inches every hour. The 18 inch candle burns 2 inch every hour.

Height 18 inch candle after h hours, = 18 - 2h

Height 12 inch candle after h hours, = 12 - 0.5h

At same height we have

                18 - 2h = 12 - 0.5h

                   1.5 h = 18 - 12

                         h = 4 hours.

Time = 6 PM + 4 hours = 10 PM

At 10 PM both candles will be same height.

Answer:

At 10 PM, both the candles will be of same height.

Step-by-step explanation:

Two candles are lit at 6 PM.

The length of candles is 12 inch and 18 inch.

The rate of burning of 12 inch candle is 0.5 inch per hour.

The rate of burning of 18 inch candle is 2 inch per hour.

Let [tex]h[/tex] represents the number of hours of burning.

In [tex]h[/tex] hours, the remaining length of the 12 inch candle will be,

[tex]l_1=12-0.5\times h[/tex]

In [tex]h[/tex] hours, the remaining length of the 18 inch candle will be,

[tex]l_2=18-2\times h[/tex]

Now, it is required to find the time at which the length of both the candles will be same.

So, the time [tex]h[/tex] in hours will be,

[tex]l_1=l_2\\12-0.5h=18-2h\\1.5h=6\\h=4\rm hour[/tex]

So, after 4 hours, both the candles will be of same length.

Therefore, the time will be [tex]6+4=10[/tex] PM. At 10 PM, both the candles will be of same height.

For more details, refer the link:

https://brainly.com/question/14070528?referrer=searchResults

A system of equations is shown below:

x + y = 3

2x – y = 6

The x-coordinate of the solution to this system of equations is _____.

Answers

To solve this problem you must apply the procceddure shown below:

 1. You have the following system of equations:

 x+y = 3 
 2x–y = 6

 2. Then, you must clear the variable y from the first equation and susbtitute it into the second equation, as below:

 x+y=3
 y=3-x

 2x-y=6
 2x-(3-x)=6
 2x-3+x=6
 3x=6+3
 3x=9

 3. Therefore, the value of x is:

 x=9/3
 x=3

 4. As you can see, the correct answer is:

 x=9
 

The velocity of sound in air is given by the equation
please only answer if you're gonna show work

Answers

The velocity of the sound will be 329 meters per second at -2.3975 degree Celsius.

[tex]v=20 \sqrt{273+t} \\ \\ 329=20 \sqrt{273+t} \\ \\ 16.45 =\sqrt{273+t} \\ \\ 270.6025=273+t \\ \\ t=-2.3975 [/tex]

This solution can also be seen from graph attached below. The blue horizontal line shows the velocity equal to 329 meter per second. 

Please help! Vectors and angles
A ship is sailing through the water in the English Channel with a velocity of 22 knots along a bearing of 157° (knots being a unit used to measure the speed of aircrafts and boats). The current has a velocity of 5 knots along a bearing of 213°. Find the resultant velocity and direction of the ship. (Remember that bearing is measured clockwise from the north axis).
1) 25 knots at 166.5 degree
2) 27 knots at 350 degree
3) 166.5 knots at 25 degree
4) 350 knots at 27 degree

Answers

The velocity of the ship = 22 ∠157° = (22 cos 157°) i+  (22 sin 157°) j

The velocity of current = 5 ∠213° = (5 cos 213°) i+  (5 sin 213°) j

So, the resultant velocity = 22 ∠157° + 5 ∠213°
 = (22 cos 157°) i+  (22 sin 157°) j + (5 cos 213°) i+  (5 sin 213°) j
 = (22 cos 157° + 5 cos 213°) i + (22 sin 157° + 5 sin 213°) j
 = -24.444 i + 5.873 j
 = 25.14 ∠166.5°

The correct answer is option (1)
1) 25 knots at 166.5 degree








Jack has a collection of new nickels and quarters. He has a total of 50 coins worth $10.30. How many of each coin does he have?

Answers

Let q represent the number of quarters Jack has. Then his collection value is ...
  25q +5(50 -q) = 1030
  20q = 780
  q = 780/20 = 39

Jack has 39 quarters and 11 nickels.
First create a system of equations:

50 = n + q
10.3 = 0.05n + 0.25q

Now pick a method to solve the system of equations. In this case, I'll use the elimination method.

(50 = n + q) x (-0.05)
-2.5 = -0.05n - 0.05q

Now, according to the steps of the elimination method, you add the two equations:


  10.3 = 0.05n + 0.25q
- 2.5 = -0.05n - 0.05q
____________________
   7.8 = 0n + 0.20q
   7.8 = 0.20q

Now, solve for the remaining variable:

(7.8)/0.20 = (0.20q)/0.20
39 = q

Therefore, there are 39 quarters. 39 quarters equals $9.75, so you can use this value to calculate the number of nickels by subtracting this amount from the total amount, and then dividing the left overs by the value of the nickel.

$10.30 - $9.75 = $0.55
$0.55 / $0.05 = 11

So there are 11 nickels and 39 quarters. To confirm the answer, make sure the number of coins adds up to 50.

11 + 39 = 50

Convert \dfrac{23}{50} 50 23 ​ start fraction, 23, divided by, 50, end fraction to a percent.

Answers

23/50 if multiplied by 2 becomes 46/100 = 0.46 = 46%

ANY HELP WOULD BE REALLY APPRECIATED

Suppose Brett and Andre each throw a baseball into the air. The height of Brett's baseball is given by h(t) = −16t^2 + 79t + 6, where h is in feet and t is in seconds. The height of Andre's baseball is given by the graph below (it's the attached image). Brett claims that his baseball went higher than Andre's, and Andre says that his baseball went higher.
1. Who is right? Fill out the table below to justify your answer. Approximate
when necessary (table is second attached image).

Answers

1. Brett was right because her baseball reached a maximum height of 103.52 feet.

2. A table that justifies Brett's claim is shown below.

In Mathematics and Geometry, the maximum value of any function is a point on the graph where the function reaches its highest point. Additionally, the maximum value of Brett's quadratic function can be determined by finding the axis of symmetry;

Axis of symmetry, x = -b/2a

[tex]h(t) = -16t^2 + 79t + 6[/tex]

where:

a = -16,  b = 79, and c = 6.

By substituting the values of a and b into the formula, we have;

Axis of symmetry, x = -79/2(-16)

Axis of symmetry, x = 79/32 = 2.46875.

Now, we can determine the maximum value (vertex) as follows;

[tex]h(t) = -16t^2 + 79t + 6\\\\h(2.46875) = -16(2.46875)^2 + 79(2.46875) + 6[/tex]

h(2.46875) = 103.52 feet.

Based on the graph, we can logically deduce that the maximum height attained by Andre's baseball was below 80 feet. Hence, Brett was right.

Lastly, we would complete the table as follows;

t            Brett         Andre

0             6                 6

1              69              58

2             100             78

3              99              67

4              66               6

5               0                

In conlusion, we can logically deduce that Brett was right because her baseball reach a maximum height of 103.52 feet, which was greater than Andre's.

BRAINLIEST!!PLEASE HELP MEE
The Nichols family consists of 8 children and 2 adults. The family minivan can safely transport a total of 7 family members, including an adult driver.

Which number line illustrates the capacity of the Nichols minivan as an inequality?

Answers

For this case, the first thing we must do is define a variable:
 x: number of people that the minivan can transport safely.
 We write now the inequality that represents the problem:
 0 <= x <= 7
 The solution is:
 [0, 7]
 Answer:
 
A number line that illustrates the capacity of the Nichols minivan as an inequality is:
 
option C

The diagonal of the floor of a square room is 6 meters.what is the length of a side of the room? round to the nearest tenth.

Answers

Side of the room = x.
From the right triangle, where sides of the square are legs of the right triangle, and the diagonal of the square is a hypotenuse of the right triangle.
x²+x²=6²
2x²=36
x²=18
x=√18 =√(2*9)=3√2≈4.2m

Find the margin of error for each sample. Then find an interval likely to contain the true population proportion.

a. 15% of 457 teachers

b. 56% of 87 musicians

Full answers please

Answers

We will use a 95% confidence interval, for which the critical z-score is 1.96.

a) For n = 457, p = 0.15, mean x = 68.55, standard error = sqrt[p(1-p)/n] = 0.0167. Then the confidence interval is x +/- z*SE, which is68.55 +/- 1.96*0.0167 gives the interval (68.52, 68.58).
b) For n = 87, p = 0.56, man x = np = 48.72, SE = sqrt(0.56*0.44/87) = 0.1043The confidence interval will be 48.72 +/- 1.96*0.1043, which gives (48.52, 48.92).


Danielle built a ramp with a stopping block at the bottom for her scout troop’s pinewood derby. She wants to paint the top and sides of the ramp. Danielle calculated the area by adding the areas of 2 triangular faces and 3 rectangular faces from the ramp and 6 rectangular faces from the block.

Did Danielle calculate the area correctly? If not, what was her mistake?
A. Yes, Danielle calculated the area correctly.
B. No, Danielle needs to remove 1 rectangle from the ramp and 1 rectangle from the block.
C. No, Danielle needs to add 1 triangle to the ramp and remove 1 rectangle from the block.
D. No, Danielle needs to remove 1 triangle from the ramp and add 1 rectangle to the block.

Answers

Answer:

Actually its b).

Step-by-step explanation:

She only wants to paint the top and sides of the ramp therefore you will have to take off the bottom parts of the ramps aka b).

No, Danielle needs to remove 1 rectangle from the ramp and 1 rectangle from the block.

What is Area?

Area is the entire amount of space occupied by a flat (2-D) surface or an object's shape.

The area of a plane figure is the area that its perimeter encloses. The quantity of unit squares that cover a closed figure's surface is its area. The space inside the perimeter or limit of a closed shape is referred to as the "area".

Danielle calculated the area by adding the areas of 2 triangular faces and 3 rectangular faces from the ramp and 6 rectangular faces from the block.

Danielle calculated some extra Areas.

As, per the discussion Danielle do not need to calculate the part ramp and block that coincides.

Thus,  Danielle needs to remove 1 rectangle from the ramp and 1 rectangle from the block.

Learn more about Area here:

https://brainly.com/question/27683633

#SPJ3

Suppose that a jar contains 4 pens: 2 black, 1 blue, and 1 red. three people select a pen at random from the jar, sign a document, and replace the pen in the jar before the next person selects a pen. what is the probability that none of the people use the red pen to sign the document?

Answers

Haven’t done these kinds in a while, but Im sure it’s 75% (based on common sense) plz correct me if I’m wrong but maybe it’s .25 or 1/4 x 3 people it doesn’t not make sense so 75% is the awnser

Keisha is investing her money in an IRA. Initially she will be putting in $775. Using C as the additional amount invested each month, translate this problem into an algebraic expression that will show how much Keisha invested for the entire year.

Answers

Initial investment = $775
Monthly investments = $C
Period of investment = 1 year = 12 months

Total monthly investments = Monthly amount*12 = C*12 = 12C

Total investment after 12 months = Initial investment + Total monthly investments = 775 + 12C

To convert a distance of 1.25 miles to feet, which ratio could you multiply by? Remember that 1 mile = 5280 feet.

Answers

we know that
1 mile  is equal to-----------> 5280 feet
1.25 miles------------> x
x=1.25*(5280/1)-----> 6600 ft

ratio=5280 ft/1 mile

the answer is
the ratio is (5280 ft/1 mile)

Which transformation will be equivalent to rotating a figure 270° counterclockwise? A) reflecting over the x-axis and the y-axis
B) translating left 3 units and down 5 units
C) Reflecting over the y-axis and then reflecting over the line y = x
D) Reflecting over the y-axis and then reflecting over the line y = -x

Answers

Reflection over the y-axis:
  (x, y) ⇒ (-x, y)

Reflection of that over the line y = x:
  (-x, y) ⇒ (y, -x)

Rotation counterclockwise by 270°:
  (x, y) ⇒ (y, -x) . . . . . . equivalent to reflection over y, then over y=x.

The appropriate choice is ...
  C) Reflecting over the y-axis and then reflecting over the line y = x.

Answer:

D) Reflecting over the y-axis and then reflecting over the line y = -x

Step-by-step explanation:

When the figure is rotate clock-wise or anti clock-wise then the coordinate of figure is get changed and this new coordinate can be find on the basis of degree of rotation.

The rules of rotation is:

When rotation = 90° clock-wise, the vertices is get changed to (-y, x) from (x, y).When rotation = 180° clock-wise, the vertices is get changed to (-x, -y) from (x, y).When rotation = 270° clock-wise, the vertices is get changed to (y, -x) from (x, y).

Thus, Option (D) is correct option.

let f(x)=1-x*2 and g(x)=1-x find (fg)(x)

Answers

(fg)(x) is the PRODUCT of functions f and g.  If that's what you want, then:

(fg)(x) = (1-x^2)*(1-x) = 1 - x - x^2 + x^3 (answer)

A and B share the cost in a ratio of 3:2. A pays £125 how much does b pay?

Answers

Hello!
3 + 2 = 5
125 divided by 5 = 25
25 x 3:2 = 2
25 x 2 = 50

To solve this problem, we can set up proportion, which is two equivalent ratios. In this case, we are using the ratio of A to B to figure out the amount that B pays using our value for A. We are allowing x to represent the unknown value for the B payment. This is modeled below:

3/2 = £125/x

To simplify, we can perform cross-multiplication. This means multiplying the numerator of one fraction by the denominator of the other and setting it equal to the product of the other numerator and denominator. This is modeled below:

(125)(2) = (3)(x)

Next, we can simplify the equation by performing the multiplication on both sides of the equation.

250 = 3x

Finally, we should divide both sides by 3 to get our unknown variable x alone on the right side of the equation.

x = 83.33

Therefore, B costs £83.33.

Hope this helps!

If (x + 1)(x - 3) = 12, then which of the following statements is true?

Answers

x = 5. so you would just plug that in to check your answer
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