MATHEMATICS MIDDLE SCHOOL

In the proportion 15/3 = v/7 , which number is equal to y in the proportion ?

Answers

Answer 1
Answer:

Answer:

3

Step-by-step explanation:
Answer 2
Answer:

Answer:

y=3

Step-by-step explanation:

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What is 18+6x=41+4x,x

Answers

Answer:

x=11.5

Step-by-step explanation:

18+6x=41+4x

Subtract 4x from each side

18+6x-4x=41+4x-4x

18+2x = 41

Subtract 18 from each side

18-18 +2x = 41-18

2x =23

2x/2 = 23/2

x =11.5

Explain how you can tell 2pi > Srt of 35 without finding the decimal number estimate of either number.

Answers

Answer:

Step-by-step explanation:

it should be clear 2pi  > 6.

Also, sqrt(35) < 6 because 6x6=36.

So, 2pi > 6 > sqrt(35)

Thus 2pi > sqrt(35)

:)

A pair of shoes is on sale for 80% off the original price. The sale price is $60. What was the original price

Answers

Answer:

The answer is 75

Step-by-step explanation:

The answer is 75 because 60 is only 80% and not 100% (why am I stating the obvious rn???) we would need to get the other 20% and to get 20 out of 80 you would need to divide 80 by 4, which is 15, so if you add 15 to 60 you would get 75. And there you go! You are welcome in advance ♥︎!!!

What times 5 equals 70?

Answers

5n  =70 
5 x 14 = 70
 hope this helped :)

The answer is 14

70/5= 14

Please help me on problem 8 and 9 of my teacher created problem

Answers

number 8 is C 251.2 formula  multiply 40*3.14=125.6 125.6*2=251.2
and 9 is C get the area of the rectangle 15*5=75 and now of the circle 3.14*2.5^2=78.5 now divide  78.5/2=39.25 then add 39.25+75=114.3.

Our school swimming pool is 25 m long if our coach wants us to swim 3 km how many lengths of food will we need to swim ?

Answers

So,

We will have to divide the length the coach wants you to swim by the length of your pool to find how many laps you must swim.  However, we need to first convert 3 km to meters by multiplying by 1000 (because 1 km = 1000 m).

3 * 1000 = 3000 m

Now we can divide.

(3000)/(25) = (600)/(5)= 120

You will need to swim 120 laps (not a realistic number).
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