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inysia [295]
3 years ago
13

Steve is a painter. He can paint a house in 20 hours. It takes his assistant 30 hours to paint a house. How long, in hours, woul

d it take them to paint a house working together?
Mathematics
2 answers:
padilas [110]3 years ago
8 0
I think the answer is  15 Hours<span />
vitfil [10]3 years ago
4 0

The correct answer is D. 12.


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Factor completely.<br> 25+70x+49x^2=
weeeeeb [17]

Answer:

(7x+5)(7x+5)

Step-by-step explanation:

Factor 25+70x+49x2

49x2+70x+25

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3 years ago
Please help it's urgent.
arlik [135]

Answer:

It is the second triangle.

Step-by-step explanation:

This is because the area of the square is given as 25^2 as the perpendicular, 144^2 as the base, and the hypotenuse is 169^2.

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3 years ago
A construction crew is lengthening a road. The road started with a length of 54 miles, and the crew is adding 3 miles to the roa
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53+3(D) = L

53 + 3(38) =L

53 +114 = L

167=L
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