3 years ago

When b > 0 and d is a positive integer, the expression (3b)^2÷d is equivalent to what?

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

5 0

9x squared over d
hope this helps:)

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Solve for a and b<br> (6a-3)=(7b-10)

Free_Kalibri [48]

Answer:

for A= $\frac{7b-7}{6}$ and for B= $\frac{6a+7}{7}$

Step-by-step explanation:

For A

$\left(6a-3\right)=\left(7b-10\right)$

$6a-3+3=7b-10+3$

$6a=7b-7$

$\frac{6a}{6}=\frac{7b}{6}-\frac{7}{6}$

$a=\frac{7b-7}{6}$

For B

$\left(6a-3\right)=\left(7b-10\right)$

$7b-10=\left(6a-3\right)$

$7b-10=6a-3$

$7b-10+10=6a-3+10$

$7b=6a+7$

$\frac{7b}{7}=\frac{6a}{7}+\frac{7}{7}$

$b=\frac{6a+7}{7}$

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3 years ago

Answer the following question with work. -6x+40=220

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If you do 220-40 then the second digit of the negative number will equal x.

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(-4, 12) and (-7, -3)

Alinara [238K]

Answer:

The slope is 5/1 or 5

Step-by-step explanation:

Hope this helps!

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A circular plate has circumferrence 30.8 inches. What is the area of this plate ? Use 3.14 for π.

erastova [34]

Answer:

75.39 in^2

Step-by-step explanation:

circumference=2πr

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30.8=6.28r

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Now that we know the radius, we can plug it in for the area equation

area=πr^2

area=(3.14)(4.9)^2

area=(3.14)(24.01)

area=75.39 in^2

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