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RoseWind [281]
3 years ago
9

If a can of paint covers 300 sq. feet, how many cans must be purchased to paint a wall 20 feet by 50 feet?

Mathematics
1 answer:
Serhud [2]3 years ago
5 0
You need 4 Or exactly 3 and 1/3 paint cans because the area would be 1000 feet
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The answer appears incorrect, please help me correct it :)
UNO [17]

Every line on the graph is 1/2 unit.

When y = 0, x would be -0.25 and 1.25

When y = 2, x would be -0.5 and 1.5

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How do you find the square root of any number
alina1380 [7]

Answer:

Multiply it by itself one time.

Step-by-step explanation:

For example, if you are trying to find 3 squared, you would do 3*3.

If it's 3 cubed, you do 3*3*3

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3 years ago
Rationalize the denominator 2√7+√3/3√7-√3​
Dahasolnce [82]

Answer:

\frac{2 \sqrt{7}  + \sqrt{3}}{3 \sqrt{7} -  \sqrt{3}  }  =  \frac{2 \sqrt{7}  + \sqrt{3}}{3 \sqrt{7}  -  \sqrt{3} } . \frac{3 \sqrt{7} +  \sqrt{3}  }{3 \sqrt{7} +  \sqrt{3}  }  \\  \\  =  \frac{(2 \sqrt{7} + 3)(3 \sqrt{7}  +  \sqrt{3})  }{(3 \sqrt{7}  - 3)(3 \sqrt{7} +  \sqrt{3} ) }  \\  \\  =  \frac{(42 + 2 \sqrt{21} + 9 \sqrt{21}   + 3 \sqrt{21} )}{63 - 3}  \\  \\  =  \frac{42 +  2\sqrt{21}  + 9 \sqrt{21} + 3 \sqrt{21}  }{60}

5 0
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ankoles [38]
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7 0
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A

Step-by-step explanation:

Try testing each graph by picking a point on the shaded region or none shaded region.

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You may notice that it is in y-intercept form. So to find where the shaded region goes, test a coordinate and apply it to the equation, if the answer is false, than half of the line is not where the shaded region goes.

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3 years ago
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