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lana66690 [7]
3 years ago
9

What is the area of a circle with the radius of 7

Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0

Answer:

153.94

Step-by-step explanation:

A= r ^2

A= \pi * 7 ^2

A= 153.94

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11. A line with a slope of - 1 passes through points at (2, 3) and (5. y). Find the value of y.
Basile [38]
It’s C. 0 0-3/5-2 -> -3/3 = -1
5 0
3 years ago
Need an answer for both plez.
Ilya [14]

Answer:

(2, 13)

Step-by-step explanation:

Since they both equal y, you can equal them to each other.

8x - 3 = 2x + 9

Subtract 2x from both sides.

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Add 3 to both sides.

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Now divide 6 on both sides.

x = 2

Now that we have found x, we need to find y. Just plug in x to the equations.

y = 2(2) + 9

y = 4 + 9

y = 13

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3 0
3 years ago
You invest $850 into a stock market fund, which grows at a rate of approximately 4% each year. Write an equation that can be use
SCORPION-xisa [38]

We have been given that you invest $850 into a stock market fund, which grows at a rate of approximately 4% each year. We are asked to write an equation that can be used to calculate the amount of money in the fund after x years.

We will use exponential growth formula to solve our given problem.

An exponential function is in form y=a\cdot (1+r)^x, where,

y = Final amount,

a = Initial amount,

r = Growth rate in decimal form,

x = Time.

Let us convert 4% into decimal.

4\%=\frac{4}{100}=0.04.

We have a=840 and r=0.04, so our equation would be:

y=850\cdot (1+0.04)^x

y=850\cdot (1.04)^x

Therefore, the equation y=850\cdot (1.04)^x can be used to calculate the amount of money in the fund after x years.

8 0
3 years ago
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sdas [7]

Answer:

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Step-by-step explanation:

4 0
3 years ago
What does a b and c mean in algebra 1
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They are variables. They stand in for different numbers in a problem. for example) a=12


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