What is half of seven because I working on area and circumference

Answers

Answer 1

Answer: 7/2 = 3 1/2 = 3.5, so 3.5 is half of 7.

Answer 2

Answer: 3 1/2 because all you have to do is divide 7 by 2. the 7 goes in the inside the 2 goes on the outside

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1/2(-4+6x) = 1/3x+2/3(x+9)

Answers

hope it will help ...

Please help!!!The number of Indian, Malay, and Chinese pupils in a school is in the ratio of 1 : 3 : 6. If there are 360 more Malay pupils than Indian pupils, how many Chinese pupils are in the school?

Answers

Answer:

1080

Step-by-step explanation:

looking at the ratio of 1 : 3 : 6, we can say that the pupils are divided into 1 + 3 + 6 = 10 "parts".

Indian are 1 part, Malay are 3 parts, and Chinese are 6 parts.

So 3x (3 parts of malay) is 360 more than 1x (1 part of Indian). Thus:

3x - 360 = x

2x = 360

x = 180

We know chinese is 6 parts, or 6x, so Chinese would be 6 (180) = 1080

Hence, there are 1080 chinese pupils

21 fewer stars than three times a nymber h

Answers

21 fewer stars than three times a number h
21 - (3 x h)

A library has raised $4508. The library wants to buy as many books as it can. Each book cost $ 17. How many books can it buy

Answers

Answer:

265 books

Step-by-step explanation:

Answer:

265 books

Step-by-step explanation:

divide 17 from 4508

A box is 20 centimeters long and 30 centimeters high. It's volume is 3,600 cubic centimeters. What is the width of the box?

Answers

We can start by looking at what we know.

We know that volume is equal to length x width x height. Filling in this equation with the values we're given:
20cm x width x 30cm =
3600cm^3

If we divide both sides by 20cm we get:
width x 30cm = 180cm^2

Next we can divide both sides by 30cm to get our answer:

width = 6cm

First you have to add 20 and 30. That gives you 50. Then you divide 3,600 by 50 and that is 72. So 72 is the width.

Really need helpEighty decreased by three times a number os the same as five times the number increased by eight find the number
i am really confused

Answers

$3n - 80 = 5n + 8\n3n=5n + 88\n -2n = 88\n\n n = -44$

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