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Andrews [41]
3 years ago
6

John builds a square dog pen that has an area of 81 square feet. He then builds a

Mathematics
1 answer:
Fiesta28 [93]3 years ago
8 0

Answer:

21.0%

Step-by-step explanation:

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Can someone please help!!!
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I think is the 3rd one but I am not sure

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Solve the inequality, if possible. If the inequality has no solution, write no solution. If the solutions are all real numbers,
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7 - 6b \leq 19 - 7 \\ \\ -6b \leq 12 \\ \\ b \geq  \frac{12}{-6} \\ \\ b \geq - \frac{12}{6} \\ \\ b  \geq  -2 \\ \\ Answer: b \geq -2
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What is a composite number
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It's a number that can evenly be divided by numbers other than 1 or itself.
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3 0
3 years ago
Read 2 more answers
900 wind turbines produce 800,500 kilowatts of energy per hour if a total of 32,725,550 kilowatts of energy is produced how much
Brrunno [24]

Answer:

41\ hours

Step-by-step explanation:

we know that

Using proportion

\frac{1}{800,500}\frac{hour}{kw}=\frac{x}{32,725,550}\frac{hours}{kw}\\ \\x=32,725,550/800,500\\ \\x=40.88\ hours

Round to the nearest whole number

40.88\ hours=41\ hours

7 0
3 years ago
F(x)=-3x^2+4x+4<br> G(x)=x(-7x-7)<br><br> Which expression is equal to f(x)+g(x)
schepotkina [342]

Answer:

A

Step-by-step explanation:

f(x)+g(x)=-3x^2+4x+4+x(-7x-7)= -3x^2+4x+4 -7^2-7x

= -10x^2-3x+4

3 0
3 years ago
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