a scale drawing of a building needs to be made using the scale 1 in=170 ft.how tall will the building in the scale be if the building is 680 ft.tall?

Answers

Answer 1
Answer: Hi there! The answer is 4 inches.

If 1 inch on scale equals 170 feet in reality, 680 feet in reality equals 680 / 170 = 4 inches on scale (since the proportions don't change).

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Solve for y: 20x + 4y = 28

Answers

Answer:

y = 7 - 5x

Step-by-step explanation:

20x + 4y = 28

4y = 28 - 20x

y = 28/4 - 20x/4

y = 7 - 5x

-TheUnknownScientist

In the past you paid $800 per month to rent your apartment. You now pay $900 per month for your rent. What is the percent increase in your rent?

Answers

Answer:

Percent increase in rent is 12.5%

Step-by-step explanation:

Given:

In past the rent you paid $800 per month to rent your apartment.

i.e, Original rent paid = $ 800

You now pay $900 per month for your rent.

i.e New rent paid = $900

Increase in the rent is= New rent - Original rent= $900 -$800 =$100.

To find the percent increase in rent.

Percent increase is equal to Divide the increase by the original number and multiply the answer by 100.

i.e,

Percent Increase = (Increase in rent)/(Original rent ) * 100

then;

Percent Increase = (\$ 100)/(\$ 800) * 100

Simplify:

Percent Increase = 12.5\%

therefore, the percent increase in your rent is 12.5%

12.5% the difference is $100 write a proportion, 100 = x800 100 differencece = xoriginal 100

Find the value of y when x equals -11, 5x+6y=-37

Answers

5(-11)+6y=-37
-55+6y=-37
6y=18
y=3

What is an explicit equation?

Answers

An explicit equation is an equation used to find a term in a sequence without using the any previous terms. For example, if I have the set of numbers 1, 3, 5, 7, 9, my explicit equation is F(n)=2(n-1)+1. If I plug 1 in for n, I get F(1)= 2(0)+1, which is 1, my first term.

Hope this made sense.

Which of the following pair of times has an elapsed time of 3 hours and 20 minutes between the times?3:20 to 6:00
8:40 to 12:00
6:30 to 9:20
5:50 to 8:10

Answers

8:40 to 12:00, 3 hours and 20 minutes has elapsed.

Are the functions linear or nonlinear? 1. y = 2x − 9
2. y = −10.2
3. y = 3x2 + 7
4. 3x + 5y = 15

Answers

they are all linear bcz x and y have powers 1 if there had been y^2 or x^2 or 3 it would have been no more linear