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andreev551 [17]
2 years ago
12

If Jim Roller can paint a room in 3 hours while John Brush would take 4 hours, how long will they take if they work together? 1/

7 hour 1 hour 1 5/7 hours
Mathematics
1 answer:
Harman [31]2 years ago
4 0
The answer is 1 5/7 hours. 
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erica [24]
Hello,

Yes since (2*6.4)²+9.6²=256=16²
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3 years ago
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the height of a tree was 12 feet. after a year, the tree's height increased 25%. what is the height of the tree after a year
Margaret [11]

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15 feet

Step-by-step explanation:

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3 years ago
Help 15 points!!<br> I’m dumb but I need this answer fast! <br><br> Subtract -5/18 - (-1/4)
Ganezh [65]

Answer:

The Answer is =  -1/36

Step-by-step explanation:

First of all we will evaluate the signs

-5/18 -(-1/4)

-5/18+ 1/4      (As negative into negative gives = positive)

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3 years ago
I need help with a maths question please answer only if you know and not links​
kotegsom [21]

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x³/4z²

Step-by-step explanation:

Invert and multiply:

48x^5y²/12z^5 x z³/16x²y²=

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the y² cancel out

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x^5÷x²=x³

12z^5/z³=z²(on bottom)

This leaves a 3x³ on top and 12z² on the bottom.  3÷12=4 (on bottom):

3x³/12z²

x³/4z²

8 0
3 years ago
What does x equal to
hodyreva [135]

Answer:

i got 16.25=2

Step-by-step explanation:

3 0
3 years ago
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