MATHEMATICS MIDDLE SCHOOL

Can someone explain the steps of how to solve number 13 please!!
Can someone explain the steps of how to solve number - 1

Answers

Answer 1
Answer:

Answer:

-5/10

Step-by-step explanation:

change -4/5 to -8/10 so the denominator is the same.

since its minus negative the negative sign can be changed to a plus sign, so -8/10+3/10=-5/10

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Many years ago, the towns of Franklin and Chester agreed to begin posting their populations on signs justoutside of their towns. They also agreed to update their signs once per year at the beginning of the year.During year 1, Franklin's sign read "Franklin: Population of 20,000", while Chester's sign read"Chester: Population of 25,000". Each year, the populations grew. Specifically, Franklin's population grew by5% each year, and Chester's population grew by 500 people each year.What is the first year in which Franklin's sign shows a larger number than Chester's sign?
A backyard fence 80 feet long; 1 inch = 10feet

What is the least number of acute angles that a triangle can have?

Answers


The least amount of acute angles would have to be 2 because if you had 1, the others would have to be acute, otherwise the triangle would not form properly.
The least number of acute angles that a triangle can have is 2.

Forty-five percent of the 300 shoppers in a supermarket bought milk. How many of the shoppers in a supermarket bought milk?

Answers

Turn 45% into a decimal.  You get 0.45,  because you move the decimal two places to the left.

Then multiply 300*0.45
You get 135

135 Shoppers in the supermarket bought milk.

What is .72 as a fraction is its simplest form?

Answers

18 over 25 just put it over 100 and simplify and you get 18/25

72%=72/100=36/50=18/25

have a good day, I hope it helps

Use formula p=2l+2w find the perimeter of a rectangle with a length 8.3 ft and width of 15.8 ft

Answers

Answer:

p = 48.2

Step-by-step explanation:

p = 2L + 2w

p = 2(8.3) + 2(15.8)

p = 16.6 + 31.6

p = 48.2

Answer:

P = 48.2 ft

Step-by-step explanation:

P =2l+2w

Given: l  = 8.3 ft and w = 15.8 ft

Plug in

P =2(8.3) + 2(15.8)

P = 16.6 + 31.6

P = 48.2 ft

A rectangular swimming pool is 19 meters long, 14 1 2 meters wide, and 4 1 2 meters deep. What is its volume?

Answers

V =  1239.75 m³ or 1239 3/4. You can solve for this by multiplying 19*14.5*4.5

a 12 ounce bottle of shampoo lasts erique 16 weeks. how long would you expect an 18 ounce bottle of the same brand to last him.

Answers

First,  divide 18 by 12.  You get 1.5
Now multiply 1.5 by 16.  It equals 24
It would last 24 weeks.
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