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e-lub [12.9K]
4 years ago
11

Find f(3) for f(x) = 1/2(4)^x A. 8 B. 32 C. 6 D. 64

Mathematics
2 answers:
Elza [17]4 years ago
7 0
1/2 (4)^3

1/2 x 64

32
finlep [7]4 years ago
7 0
<span> f(3) = 1/2(4)^3 = 1/2(64) = 32

answer
B. 32</span>
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The roof of a tower in a castle is shaped like a cone. The height of the roof is 30 ft, and the radius of the base is 15 ft. Wha
xz_007 [3.2K]

Answer:

The area of the roof: ≈2287.44 ft^2, the lateral area of the roof:≈1580.58 ft^2

Step-by-step explanation:

The area of the roof is computed by the equation of the area of a cone:
A = πr(r + \sqrt{h^{2}+r^(2) })
(r: radius, h: height, πr^2 is the area of the base of the cone, πr\sqrt{h^{2}+r^(2) } is the lateral area of the cone). So:

A = 15\pi (15 + \sqrt{30^{2} +15^{2}  } ) ≈ 2287.44 ft^2.

As I stated earlier, the lateral area of the roof can be computed:

AL=15\pi \sqrt{30^{2} +15^{2} } ≈ 1580.58 ft^2.

5 0
2 years ago
Kelly earns a 7% commission on the total amount of her sales. This year, she had $210,000 in sales. How much commission did Kell
egoroff_w [7]
210,000 x .07 = 14,700 commission
4 0
3 years ago
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Jack works at a sporting goods store and makes a commission of 20 percent. His sales for each week are shown below. How much did
kiruha [24]

Answer:

The answer is D

Step-by-step explanation:

4 0
3 years ago
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Two factors are multiplied and their product is 34.44. one factor is a whole number. What is the least number of decimal places
wolverine [178]
The least number of decimal places is 2.
6 0
3 years ago
When plotted on a grid, the paths between four neighborhood houses form the shape of a kite as shown.
KatRina [158]

Answer:

The area of the figure is 1,000 square feet

Step-by-step explanation:

we know that

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where

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we have

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substitute

A=\frac{1}{2}[40*50]=1,000\ ft^2

3 0
3 years ago
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