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Oksi-84 [34.3K]
2 years ago
5

I need help with both

Mathematics
1 answer:
Lina20 [59]2 years ago
6 0

Answer:

BC = 46 cm

Option D) $3,386,617

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a cone has a height of 4 ft and a volume of 7.77 Ft cubed determine its radius to the nearest tenth of a foot​
Nana76 [90]

Answer:

The radius of the cone is approximately 1.4 feet

Step-by-step explanation:

The given parameters of the cone are;

The height of the cone, h = 4 ft.

The volume of the cone, V = 7.77 ft.³

The volume, 'V', of a cone is given by the following formula;

V = 1/3 × π·r²·h

Where;

V = The volume of the cone = 7.77 ft.³

r = The radius of the cone

h = The height of the cone = 4 ft.

By substituting the vales of 'h' and 'V' in the above equation, we have;

7.77 ft.³ = 1/3 × π × r² × 4 ft.

∴ r = √(3 × 7.77 ft.³/(π × 4 ft.)) = 1.36196580784 ft.

∴ The radius of the cone, r ≈ 1.4 ft. (rounding the answer to the nearest 10th)

4 0
3 years ago
Find the common difference of the arithmetic sequence 3, -2, -7
svlad2 [7]

Answer:

-5

Step-by-step explanation:

To find the common difference, take the second term and subtract the first term

-2 - 3 = -5

Check with the third term and the second term

-7 - (-2) = -7 +2 = -5

The common difference is -5

4 0
3 years ago
1. The variable y varies inversely with x and y = 6 when x = 3.
Y_Kistochka [10]
Inverse variation means y=k/x, we are given (3,6) so

6=k/3

k=18 so

y=18/x

y=18/27

y=2/3
7 0
3 years ago
a company rents out 18 food booths at the county fair. The fee for a food booth is $175 plus $7 per day. The fee for a game boot
aliya0001 [1]

Answer:

18 food booths initial costs are $(3,150 + 7d)

Step-by-step explanation:

8 0
2 years ago
Heidikae reads 420 pages a week. In the summer, she reads 17% less. Approximately how many pages per week does she read in the s
Marat540 [252]
420-17%= 348.6



This is it because she read 420 pages during the summer but then she reads 17% less which is subtracting then get the answer which is 348.6
8 0
3 years ago
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