3 years ago

How can i find the missing value with a range of 18 for the numbers of 13,21,26,26

Mathematics

1 answer:

Elis [28]3 years ago

5 0

You can add 18 and 13, and your answer is 31

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Answer: There are 6 pieces of cloth are rectangles and 9 pieces of cloth are triangles.

Explanation:

Since we have given that

For every 5 pieces of cloth, 2 are rectangles

So, remaining piece will be of triangle so,

$5-2=3$

3 are triangles.

Ratio of rectangles to triangles is 2:3.

Now, she needs 15 pieces of cloth to complete her scarf,

So, Number of rectangles is needed is given by

$\frac{2}{5}\times 15\\\\=2\times 3\\\\=6$

Number of triangles is needed is given by

$\frac{3}{5}\times 15\\\\=3\times 3\\\\=9$

Hence, there are 6 pieces of cloth are rectangles and 9 pieces of cloth are triangles.

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2 years ago

7 - 36 - 2(b + 3 - 2b)

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SpyIntel [72]

Ronnie = c
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Step-by-step explanation:

12a + 9s = 144.00

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