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2 years ago

Find the area of the shaded figure in the diagram below. Use 3.14 for π and round your answer to the nearest hundredth.

Mathematics

1 answer:

kirill [66]2 years ago

7 0

Answer:

Step-by-step explanation:

diameter of 1 circle = 21.3/3= 7.1

radius of 1 circle= 7.1/3=3.55

area of 1 circle =πr^2=3.14× (3.55)^2=39.57

area of 3 circle= 39.57×3=118.72

therefore,area of shaded portion= area of 3 circle =118.72

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babunello [35]

Answer: y = 90 x = 29

Step-by-step explanation:

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2 years ago

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Use the distance formula to find the distance, to the nearest tenth, from S(7, −1) to V(−1, 3).

34kurt

Answer: 8.9 units (choice C)

Explanation:

We plug $(x_1,y_1) = (7,-1) \text{ and } (x_2,y_2) = (-1,3)\\\\$ into the distance formula to get the following

$d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(7-(-1))^2 + (-1-3)^2}\\\\d = \sqrt{(7+1)^2 + (-1-3)^2}\\\\d = \sqrt{(8)^2 + (-4)^2}\\\\d = \sqrt{64 + 16}\\\\d = \sqrt{80}\\\\d \approx 8.94427\\\\d \approx 8.9\\\\$

4 0

2 years ago

Use distributive property to write an equivalent expression 6(g+h)

Nimfa-mama [501]

Answer:

6g+6h

Step-by-step explanation:

Hi there!

Well distributive property is basically just multiplying out the parenthesis.

6(g)+6(h)

6g+6h

Hope this helped! Have a great day! ^u^

8 0

2 years ago

The question is below could you explain in detail thank you so much!!!

Ivan

I think is 1863 m because if you use the formula for area

8 0

3 years ago

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8x = 2y + 5 3x = y + 7 Solve the system of equations by substitution.

jasenka [17]

3x = y + 7
 y =3x-7

8x = 2y + 5
8x = 2(3x-7) + 5
8x=6x-14+5
8x-6x=-9
2x=-9
x=-4.5

8x = 2y + 5
8(4.5)=2y+5
36=2y+5
2y=31
y=15.5

8 0

3 years ago