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3 years ago

6

If sam can paint a house in 3 hours and joe can paint it in 5 hours, how long does it take for them to paint a house together

1 answer:

zhenek [66]3 years ago

5 0

It would probably take them 2 hours.

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Jenny needs 1/2 of a stick of butter for a recipe. She cuts the half stick of butter into four equal pieces what portion of the

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Answer:

1/16

Step-by-step explanation:

1/2 of 1/2 is 1/4 then 1/4 of 1/4 is 1/16

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Sam is 2 years and his mother is 28 years old. In how many years will Sam's mother be 3 times as old as he will be?

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When Sam is 13 his mother will be 39 which is 3 times as old as he is. So Sam's mother will be 3 times as old as Sam will be in 11 years. (Your answer is 11 years.)

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Which equation represents the circle described?

bazaltina [42]

We have the equation:

$x^2+y^2-8x-6y+24=0$

By arranging this equation in terms of x and y, we have:

$x^2-8x+y^2-6y=-24 \\ \\$

By using the method of completing the square, we have:

$x^2-8x+\mathbf{\left(\frac{8}{2}\right)^2}+y^2-6y+\mathbf{\left(\frac{6}{2}\right)^2}=-24+\mathbf{\left(\frac{8}{2}\right)^2}+\mathbf{\left(\frac{6}{2}\right)^2} \\ \\ x^2-8x+\mathbf{16}+y^2-6y+\mathbf{9}=-24+\mathbf{16}+\mathbf{9} \\ \\ \boxed{(x-4)^2+(x-3)^2=1}$

The center of this circle is:

$(h,k)=(4,3)$

So the equation that fulfills the statement is:

$(x-4)^2+(y-3)^2=2^2$

Finally, the right answer is c)

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Find the perimeter of a rectangle with 33 inches for a width and 75 inches for the length. Have the perimeter in YARDS.

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The answer is 72
the formula is (width+length)*2

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right option

Step-by-step explanation:

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