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Artyom0805 [142]
3 years ago
8

Find the volume of a cone with a radius of 7 and height of 6. Express your answer in terms of π.

Mathematics
1 answer:
nataly862011 [7]3 years ago
5 0

Answer:

C

Step-by-step explanation:

\frac{1}{3}  \times \pi \times  {7}^{2}  \times 6

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HELP ME DO THIS QUESTION PLEASE
Leni [432]

Answer:

Volume: 864

Surface Area: 684

Step-by-step explanation:

Volume:

\frac{1}{2}(9 * 16 * 12) = 864

Surface-Area: (Pretty Self-explanatory)

1. Triangles - 12 * 9 = 108 (You don't need to divide it by two, just leave it as is because there are two of these triangles.)

2. Base - 16 * 9 = 144

3. Height/Base - 12 * 16 = 192

4. 15 * 16 = 240

192 + 144 + 108 + 240 = 444

The Surface Area is 684.

4 0
3 years ago
Read 2 more answers
In a two-tailed 2-sample z-test you find a P-Value of 0.0278. At what level of significance would you choose to reject the null
Basile [38]

Answer:

5% or 0.05

Step-by-step explanation:

The null hypothesis will be rejected if p-value is less than significance level.

The null hypothesis can be rejected on 5% and 10% level of significance, but 5% level of significance is a suitable choice because when the 5% significance level is used the confidence level is 95% where as in case of 10% the confidence level is 90%. In short, the significance level indicates the probability of rejection of null hypothesis when the null hypothesis is true and the lesser probability of taking that risk will be better.

So, the scenario indicates the suitable significance level as 0.05.

8 0
4 years ago
Step 5 of the proof demonstrates which of the following?
galben [10]
Honey God loves u God bless u with that hw good luck
6 0
4 years ago
Help plz:
astra-53 [7]

Answer:

3x - 3 > 6\\= 3x - 3\\=0x\\0x < 6\\\\24x + 4 = 28x\\28x < 52\\\\-2x - 2 < 8\\= -2x - 2\\= -4x\\-4x < 8\\\\10x - 100 > 0\\= 10x - 100 \\=-90x\\-90x > 0<---- Why is -90x greater than 0?

because 90x > 0.

Step-by-step explanation:

hope this helped.

3 0
2 years ago
Read 2 more answers
8 points
Zigmanuir [339]

Answer:

10/40 = 25%

Step-by-step explanation:

40 total = denominator

30 cheese - 40 total = 10 not cheese

10/40

8 0
3 years ago
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