3 years ago

Help math question point of intersection

1 answer:

Neko [114]3 years ago

4 0

Answer:

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Step-by-step explanation:

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Delvig [45]

Answer: 8 hours

Step-by-step explanation:

Let x be the time taken by each person to paint the fence.

Given: Tom and Becky can paint Jim's fence together in 12 hours.

Since all people paint at the same rate, then we have the following equation ;-

$\dfrac{1}{x}+\dfrac{1}{x}=\dfrac{1}{12}\\\\\Rightarrow\ \dfrac{2}{x}=\dfrac{1}{12}\\\\\Rightarrow\ x=24$

Thus, the time taken by each person to paint the fence alone = 24 hours

Now, the time taken by all three paint together:-

$\dfrac{1}{t}=\dfrac{1}{24}+\dfrac{1}{24}+\dfrac{1}{24}\\\\\Rightarrow\ \dfrac{1}{t}=\dfrac{3}{24}\\\\\Rightarrow\ t=\dfrac{24}{3}=8\text{ hours}$

Hence, it would take 8 hours if all three paint together.

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3 years ago

Alla [95]

The short leg is 7ft and the longer leg in 14, i believe because if im not mistaken the long leg in a right triangle is 2 times the short one

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3 years ago

Licemer1 [7]

-1+-1=-2
and -1 - 8= 7

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3 years ago

Alexandra [31]

Answer:

Step-by-step explanation:

Each serving is ¼ cup, so each cup has 4 servings.

4 cups has 16 servings.

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3 years ago

Simora [160]

The total cost would be $63.80

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3 years ago