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garik1379 [7]
3 years ago
6

5b-7>13 determine if it's a solution or given inequality

Mathematics
2 answers:
damaskus [11]3 years ago
6 0
Add 7 both sides
5b>20
divide both sides by 5
b>4
Zarrin [17]3 years ago
5 0
5b-7>13  add 7 to both sides

5b>20  divide both sides by 5

b>4
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What is the solution to the system of equations?
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What is 6.42 written as a fraction in lowest terms?
FinnZ [79.3K]

Answer:

6 21/50

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Manuel makes 8 dollars for each hour of work. Write an equation to represent his total pay p after working h hours.
Yuri [45]

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The circumference of a circle is 30t. What is its area? ​
labwork [276]

Answer:

A=\frac{225t^2}{\pi} given the circumference is 30t.

Step-by-step explanation:

The circumference of a circle is C=2\pi r and the area of a circle is A=\pi r^2 assuming the radius is r for the circle in question.

We are given the circumference of our circle is 2 \pi r=30t.

If we solve this for r we get: r=\frac{30t}{2\pi}.  To get this I just divided both sides by 2\pi since this was the thing being multiplied to r.

So now the area is A=\pi r^2=\pi (\frac{30t}{2 \pi})^2.

Simplifying this:

A=\pi (\frac{30t}{2 \pi})^2.

30/2=15 so:

A=\pi (\frac{15t}{\pi})^2.

Squaring the numerator and the denominator:

A=\pi (\frac{(15t)^2}{(\pi)^2}

Using law of exponents or seeing that a factor of \pi cancels:

A=\frac{(15t)^2}{\pi}

A=\frac{15^2t^2}{\pi}

A=\frac{225t^2}{\pi}

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3 years ago
NEED ANSWER ASAP PLEASE!!!!
dexar [7]

Answer:

The correct answer would be D. y=2/3x+8


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4 years ago
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