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Andrew [12]
3 years ago
11

A circular picture is 8 inches in diameter.

Mathematics
1 answer:
Karolina [17]3 years ago
6 0

Answer:

Part A   C. 16π square inches

Part B  C. 36π square inches

Step-by-step explanation:

If we know the diameter, we can calculate the radius

d= 2r

8 = 2r

Divide by 2

8/2 =2r/2

4=r

The radius is 4 inches

Area of a circle is

A = pi *r^2

A = pi *4^2

A = 16 pi inches^2


Part B

If the frame is 2 inches wide, we add 2 to the radius

r = 4+2=6

A = pi r^2

A = pi *6^2

A = 36pi inches ^2

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expeople1 [14]

Answer:

If he spends $120 dollars a month, and he cut's that down to $50 a month, we should create a pattern to visualize the months.

Step-by-step explanation:

120- 50= 70 ($70 saved each month)

Month 1- $70 saved total

Month 2- $140 saved total

Month 3- $210 saved total

Month 4- $280 saved total

Month 5- $350 saved total

Month 6- $420 saved total

It takes 6 months to get 400 saved. We could also divide to get

5.714285, but it would takes 6 months before reaching the goal. :)

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4 years ago
If you had 1,100 blue berry's and 3 people took 61 each how many would you have left?
katrin [286]

Answer:

917.

Step-by-step explanation:

I'm 100% sure because 1,00-61-61-61=917.

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4 years ago
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The graph of f passes through left parenthesis negative 4 comma 3 right parenthesis(−4,3) and is perpendicular to the line that
shusha [124]

Answer:

The answer to your question is y = -11/2x - 19

Step-by-step explanation:

Data

Point (-4, 3)

⊥ to the line x- intercept of 22 and y-intercept of -4.

Process

1.- Find the equation of the perpendicular line

This line has passes through the points  (22, 0) and (0, -4)

Slope = \frac{-4 - 0}{0 - 22} = \frac{-4}{-22} = \frac{2}{11}

2.- Find the slope of the new equation

Slope = \frac{-11}{2}    because the lines are perpendicular

3.- Find the equation of the new line

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See the graph below

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3 years ago
One of the factors of x2 + 3x – 10 is
Fittoniya [83]

Answer:

(x - 2) or (x + 5)

Step-by-step explanation:

Step 1: Write quadratic

x² + 3x - 10

Step 2: Factor

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5 0
4 years ago
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Simplify -9/6 divided by 3/-2. PLEASE HELP!
Pachacha [2.7K]

-9/6 / -3/2

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3 years ago
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