MATHEMATICS MIDDLE SCHOOL

(ONLY NUMBER 4 ) please help ASAP ( Mark brainlist)

Answers

Answer 1

Answer:

Answer:

30.5

Step-by-step explanation:

Answer 2

Answer:

Answer:

Step-by-step explanation:

4.a) 6

b.) 21 + 24

= 45/2

= 22.5

c.) 13, 29

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Answers

To find the average of the is your would divide the distance by the time 321/3 which is 107mph. Meaning the train travels an average of 107miles each hour

Sean wrote a number on a piece of paper. If he multiplied his number by 5 and then divided by 2,
the answer would be 30. What was Sean’s number?

Answers

5x/2=30
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the graph shows the distance Jamie Walsh over time. does she walked at a constant or variable speed. how fast Is Jamie walking?

Answers

B She is walking at a constant speed of 4 miles per hour

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If 17y-24y+13y=210+y, what is the value of y?

Answers

17y -24y +13y -y = 210
(17-24+13-1)y = 210
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y=42

y=45 is the answer u will find most accuret

Two sides of a rectangular desktop are 3 feet long. The area of the desktop is 15 square feet. What's the perimeter of the desktop

Answers

45 hope that helps for you

You need a 35% solution. You are going to mix 15 liters of a 27% solution with an amount of a 50% solution. How much of the 50% solution should you use?

Answers

0.34(15+x) = 0.27(15) + 0.5x

x = 8 liters

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