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3 years ago

a cone has a volume of 1,570in3. If the height of the cone is 15 inches. Calculate the radius of the cone?

Mathematics

1 answer:

spin [16.1K]3 years ago

5 0

Answer:

approximately 10

Step-by-step explanation:

Volume = 1/3h times $\pi$ times radius square

1570 = 1/3 x 15 x 22/7 x $r^{2}$

1570 = 5 times $\frac{22}{7}$ times $r^{2}$

1570 = 15.71 $r^{2}$

$\frac{1570}{15.71}$ = $\frac{15.71 r^{2}}{15.71}$

99.9 = r^2

$\sqrt{99.9}$ = r

≅10

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Please answer the question attached in the pic

pantera1 [17]

Answer:

(25)^2*(9)^2*(4squreroot2)^2*(7squreroot2)^2

Step-by-step explanation:

5^4*3^3*2^5*343

=(25)^2*(9)^2*(4squreroot2)^2*(7squreroot2)^2

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2 years ago

Sorry for asking so much;(

Bingel [31]

Length of line RS is probably 20 because it’s not smaller than the line it’s parallel to but it’s not equal either so the answer has to be c unless there’s a d that’s between 10-20

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2 years ago

Read 2 more answers

When finding the margin of error for the mean of a normally distributed population from a sample, what is Alpha, assuming a conf

MArishka [77]

The value of alpha is 0.26, assuming a confidence level of 74%.

<h3>What is the margin of error?</h3>

The significance level α is the probability of making the wrong decision when the null hypothesis is true.

Alpha levels which is also called as significance levels are used in hypothesis tests.

Given

When finding the margin of error for the mean of a normally distributed population from a sample.

The confidence interval = 74% = 0.74.

The value of the alpha is given by;

$\rm \alpha =1- Confidence \ interval$

Substitute all the values in the formula

$\rm \alpha =1- Confidence \ interval\\\\\alpha=1-0.74\\\\\alpha=0.26$

Hence, the value of alpha is 0.26, assuming a confidence level of 74%.

To know more about confidence interval click the link given below.

brainly.com/question/26725727

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2 years ago

A football team won 10 matches out of the total number of matches they played if their win percentage was 40 then how many match

KiRa [710]

Answer:the football team played 25 games in all

Step-by-step explanation:

Let x represent the total number of matches that the football team played.

The football team won 10 matches out of the total number of matches they played. if their win percentage was 40, it means that

10/x × 100 = 40

1000 = 40x

x = 1000/40 = 25

6 0

3 years ago

Solve x4 – 2x2 – 24 = 0.

egoroff_w [7]

Answer: 7

Step-by-step explanation:

8 0

2 years ago