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Elena L [17]
2 years ago
13

a company is expanding its building area from 17,500 square feet to 21,175 square feet. what is the percentage increase of the a

rea of the building space?
Mathematics
1 answer:
NikAS [45]2 years ago
3 0

Let's make an equation.

19,000x=24,320

This equation shows the percentage increase, which is x. Once we have x, we need to subtract 1 from it since in the equation the 1 shows that it's increeasing. All we need to do is divide both sides by 19,000.

24,320÷19,000

1,28-1=0.28; we need to multiply by 100 to find the increase.

0.28×100=28

So, the percentage increase is 28%.

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How do you do this?<br>Also please explain!:)​
White raven [17]

Answer:

answer b (0.73)

Step-by-step explanation:

"Triple" means to increase in size by a factor of 3.  

Thus, B = (1 + r)^2 becomes

3 = (1 + r)^2.  Our task is to determine the value of r, the annual interest rate.

Taking the square root of both sides, we get

√3 = 1 + r, which yields √3 - 1 = r.

This is approx. 1.732 - 1.000, or 0.732.  Answer b) is closest.

6 0
3 years ago
F(x) = x2 + 1 g(x) = 5 – x (f + g)(x) =
nordsb [41]

Answer:

x^3 - x^2 - 6x

Step-by-step explanation:

First, add f +g

x^2 + 1 + 5 -x (combine like terms)

x^2 - x +6  

Next, multiply the new equation by x

x(x^2 - x + 6)    Use distributive property

= x^3 - x^2 + 6x

5 0
3 years ago
Write an equation of the line that passes through (7,10) and is perpendicular to the line y=12x−9.
Ulleksa [173]

Answer:

<em>y = - </em>\frac{1}{12}<em> x + </em>\frac{127}{12}<em> </em>

Step-by-step explanation:

y = 12x - 9

Slope of line perpendicular to given is m = - \frac{1}{12}

P(7, 10)

y - 10 = - \frac{1}{12} (x - 7)

<em>y = - </em>\frac{1}{12}<em> x + </em>\frac{127}{12}<em> </em>

8 0
2 years ago
Draw a picture to show how 2/3 of jakes pizza can be equal to 3/6 of a pizza from als
Harlamova29_29 [7]
2/3 of a pizza is more than half of the pizza.


3/6 = 1/2, so 3/6 of a pizza is exactly half of the pizza.


Given that two pizzas are of different sizes you need to calculate the areas of each pizza and compare them.


Assumming that the two pizzas are circular, you can calculate the area of each pizza from the formula of the area for a circle:


Area of a circle = π * (radius)^2.



Call r the radius of Jake's pizza and R the radius of Al's pizza. Then:


Area of Jake's pizza = π (r^2) and 2/3 of that is: 2π(r^2) / 3.


Area of Al's pizza = π (R^2) and 1/2 of that is π(R^2)/2


So, what you have to do is to use the radius of each pizza, calculate above formulaes and verify whether the results are the same or not.
3 0
3 years ago
Jack earns $50 for washing cars on the weekend. He makes an average of $4.25 in tips per hour. Write the function of Joe's earni
Elena-2011 [213]
A function for this would be m = 50 + 4.25t. The $50 is the one time thing. We must multiply the tips by 6. 4.25 * 6 = 25.50. 50 + 25.50 is 75.50. Joe would make $75.50 after 6 hours.
4 0
3 years ago
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