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3 years ago

10. A crew is shingling a roof. They complete 6.8 square feet every hour.

Mathematics

2 answers:

natita [175]3 years ago

6 0

Answer:

Step-by-step explanation:

6.8 x 12.5 or 12 1/2 = 85

I think that is the answer. I am not 100% sure but I am confident.

Dahasolnce [82]3 years ago

6 0

Answer: 6.8 x 12.5 or 12 1/2 = 85 So 85

Step-by-step explanation: Sup how are ya.

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Find the value of x and y so that both proportions will be correct:

andrew11 [14]

The values of x and y are 0.2 and 0.4 respectively.

<em><u>Explanation</u></em>

The given proportions are.....

$x: 1\frac{2}{3}=y: 3\frac{1}{3}$ and $y:1.5=0.2:0.75$

From the second proportion, we will get....

$y:1.5=0.2:0.75\\ \\ \frac{y}{1.5}=\frac{0.2}{0.75} \\ \\ 0.75y=0.2*1.5\\ \\ 0.75y=0.3\\ \\ y=\frac{0.3}{0.75}=0.4$

Now, we will plug this $y=0.4$ into the first proportion. So we will get....

$x: 1\frac{2}{3}=y: 3\frac{1}{3}\\ \\ x: \frac{5}{3}=0.4:\frac{10}{3} \\ \\ \frac{x}{\frac{5}{3}}= \frac{0.4}{\frac{10}{3}}\\ \\ \frac{3x}{5}=\frac{1.2}{10}\\ \\ 30x=6\\ \\ x= \frac{6}{30}=0.2$

So, the values of x and y are 0.2 and 0.4 respectively.

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3 years ago

a triangular prism has a base with a length of 6 in and a height of 8 cm. the height of the whole prism is 12 cm. What is the vo

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The volume of a prism of this type is

v= (1/2) x B x h x H

(1/2) x 15.24 x 8 x 12

= 732

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3 years ago

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Cerrena [4.2K]

Answer:

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