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3 years ago

PLEASE HELP DUE BY MIDNIGHT ILL GIVE YOU BRAINLINEST and 17 POINTS

Mathematics

1 answer:

Leto [7]3 years ago

3 0

Answer:
1). 40ft^2
2). 32.1 cm^2
3). 28 in^2
4). 44 cm^2
5). 148.8m^2
6). 110.7 cm^2

Explanation:

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kipiarov [429]

Answer:

$3\frac{2}{3} + 2\frac{2}{3} = 6\frac{1}{3}$

Step-by-step explanation:

Given

See attachment for number line

Required

Determine the model

From the attachment, we can see that each partition is 1/3

The gray rectangle covers 11 partitions.

So:

$Gray = 11 * \frac{1}{3}$

$Gray = \frac{11}{3}$

Express as a mixed number

$Gray = 3\frac{2}{3}$

The black rectangle covers 8 partitions

So:

$Black= 8 * \frac{1}{3}$

$Black= \frac{8}{3}$

Express as a mixed number

$Black= 2\frac{2}{3}$

So, the model is:

$Gray + Black = Total$

Where Total is the point where the black rectangle stops

$3\frac{2}{3} + 2\frac{2}{3} = 6\frac{1}{3}$

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Step-by-step explanation:

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2 years ago

Mr Cole has 30 students in his class. He has twice as many girls than boys. What is the ratio of girla to boys?

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Lerok [7]

I can help you with #20. For example, lets say 3/5, this fraction would be made up of 5 parts and 3 are covered, which doesn't make it full, if it was 5/5 it would be full. When you do something with a reciprocal you turn it over, so 3/5 would be turned over to 5/3, thus making it a whole number

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3 years ago