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Brums [2.3K]
3 years ago
10

1. If the radius of the sphere above is 4 in, what is the approximate volume of the sphere?

Mathematics
1 answer:
Svet_ta [14]3 years ago
7 0
256 \pi /3 inch cubed
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Which equation is a function of x?
lana [24]

Answer:

If you input a value of x then we get the output f(x) = y, which is the function of x. This is a function of x. Hence, x² = y is a function of x.

Step-by-step explanation:

7 0
3 years ago
The researcher has limited resources. He sends 9 emails from a Latino name, and 14 emails from a non-Latino name. For the Latino
deff fn [24]

Answer: 38.41 minutes

Step-by-step explanation:

The standard error for the difference in means is given by :-

SE.=\sqrt{\dfrac{\sigma_1^2}{n_1}+\dfrac{\sigma^2_2}{n_2}}

where , \sigma_1 = Standard deviation for sample 1.

n_1= Size of sample 1.

\sigma_2 = Standard deviation for sample 2.

n_2= Size of sample 2.

Let the sample of Latino name is first and non -Latino is second.

As per given , we have

\sigma_1=82

n_1=9

\sigma_2=101

n_2=14

The standard error for the difference in means will be :

SE.=\sqrt{\dfrac{(82)^2}{9}+\dfrac{(101)^2}{14}}

SE.=\sqrt{\dfrac{6724}{9}+\dfrac{10201}{14}}

SE.=\sqrt{747.111111111+728.642857143}

SE.=\sqrt{1475.75396825}=38.4155433158\approx38.41

Hence, the standard error for the difference in means =38.41 minutes

3 0
2 years ago
Convert 60% to a fraction in lowest terms
Doss [256]

Answer:

3/5

Step-by-step explanation:

60% to a decimal is 0.6

0.6 to a fraction is 60/100

60/100 reduced is 3/5

6 0
3 years ago
I have a triangle with angles measuring 40, 40, and 100. Is this one a unique triangle, many triangles, or no triangle?
juin [17]

Answer:

Unique triangle.

Step-by-step explanation:

If you were to draw the triangle, you would've been able to see that one angle is open and that the other 2 were closed.

5 0
3 years ago
B² - 5c if b = 15 and c = 9
bonufazy [111]

Answer:

180

Step-by-step explanation:

<em>Here,</em>

<em>b=15</em>

<em>c=9</em>

<em>Now,</em>

<em />=b^{2}-5c\\\\=15^{2} -5*9\\\\=225-45\\\\=180

4 0
2 years ago
Read 2 more answers
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