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ch4aika [34]
2 years ago
11

Find the surface area of a sphere that has a volume of 288 pi cu. in.​

Mathematics
2 answers:
Simora [160]2 years ago
7 0

Answer: the height is going to be on the round circles and the radius should be the one inside

Step-by-step explanation: To find the volume, you have to find the area first and the height

icang [17]2 years ago
6 0

Answer:

144

Step-by-step explanation:

The surface area of a sphere that has a volume of 288π cu in is 144 pi.

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kobusy [5.1K]

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The answer is D 2.4

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What's 3*5+3-(1+1)? And join my zo om <br> 663-541-6732<br> Corvette
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Its 16 i will :D

Step-by-step explanation:

I will ;O

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3 years ago
Three shirts and two pairs of pants cost $40. Four shirts and one pair of pants cost $37.50. How much does one shirt cost?
taurus [48]

Answer:

d, 700

Step-by-step explanation:

it's the only one that makes sense

4 0
3 years ago
The area of a rectangle is 63m^2 and the length of the rectangle is 11m more than twice the width. Find the length and width.
AleksandrR [38]

Answer:

width = 3.5 m

length = 18 m

Step-by-step explanation:

area = length x width

x is the width then length = 2x + 11

x(2x + 11) = 63

2x^2 + 11x - 63 = 0

The formula to solve a quadratic equation of the form ax^2 + bx + c = 0 is equal to x = [-b +/-√(b^2 - 4ac)]/2a

with a = 2

       b = 11

       c = -63

substitute in the formula

x = [-11 +/- √(11^2 - 4(2)(-63))]2(2)

x = [-11 +/- √(121 + 504)]/4

x = [-11 +/- √625]/4

x = (-11 +/- 25)/4

x1 = (-11 + 25)/4 = 14/4 = 3.5

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since width can't be a negative number, x is 3.5

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7 0
2 years ago
Suppose that a hypothesis test is conducted. 12 out of 100 subjects have the necessary qualities. The null hypothesis is that th
Veronika [31]

Answer:

Option A

The p-value is less than the significance level of 0.05 chosen and so we reject the null hypothesis H0 and can conclude that the proportion of the subjects who have the necessary qualities is less than 0.2.

Step-by-step explanation:

Normally, in hypothesis testing, the level of statistical significance is often expressed as the so-called p-value. We use p-values to make conclusions in significance testing. More specifically, we compare the p-value to a significance level "α" to make conclusions about our hypotheses.

If the p-value is lower than the significance level we chose, then we reject the null hypotheses H0 in favor of the alternative hypothesis Ha. However, if the p-value is greater than or equal to the significance level, then we fail to reject the null hypothesis H0

though this doesn't mean we accept H0 automatically.

Now, applying this to our question;

The p-value is 0.023 while the significance level is 0.05.

Thus,p-value is less than the significance level of 0.05 chosen and so we reject the null hypothesis H0 and can conclude that the proportion of the subjects who have the necessary qualities is less than 0.2.

The only option that is correct is option A.

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3 years ago
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