3 years ago

The length of the diameter of a sphere is 8 inches. The volume of the sphere is

Mathematics

1 answer:

Nataly_w [17]3 years ago

6 0

I’m pretty sure the answer is A - equal to

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M is the midpoint of rs, rm = (3x +1 ), and ms = (4x - 2 ). what is rs?

TEA [102]

Add rm and ms together to get rs

rs = 3x + 1 + 4x - 2

rs = 7x - 1

rs = 7x - 1 is your answer

hope this helps

8 0

3 years ago

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The probability of event A is x, and the probability of event B is y. If the two events are independent, which of these conditio

zzz [600]

If two events are independent, then

$Pr(A\cap B)=Pr(A)\cdot Pr(B)$ .

Use formulas for conditional probabilities:

$Pr(A|B)=\dfrac{Pr(A\cap B)}{Pr(B)},\\ \\ Pr(B|A)=\dfrac{Pr(A\cap B)}{Pr(A)}$ .

For independent events these formulas will be:

$Pr(A|B)=\dfrac{Pr(A\cap B)}{Pr(B)}=\dfrac{Pr(A)\cdot Pr(B)}{Pr(B)}=Pr(A),\\ \\ Pr(B|A)=\dfrac{Pr(A\cap B)}{Pr(A)}=\dfrac{Pr(A)\cdot Pr(B)}{Pr(A)}=Pr(B)$ .

Now in your case $Pr(A)=x,\ Pr(B)=y$ and $Pr(A|B)=x,\ Pr(B|A)=y, Pr(A\cap B)=x\cdot y$ .

This shows that the only correct choice is A.

5 0

4 years ago

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La figure ci-dessus représente une pyramide du sommet S.

elena-14-01-66 [18.8K]

The answer is going to be option 3) - calculer le volume de la pyramid SEFGH

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3 years ago

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The table represents a linear function. A two column table with six rows. The first row, x, has the entries negative 4, negative

ddd [48]

Answer:

(B)-4

Step-by-step explanation:

From the table, consider the points (-4,-2), (-2,-10) and (-1,-14)

$\text{Slope, m }=\dfrac{y_2-y_1}{x_2-x_1} \\=\dfrac{-10-(-2)}{-2-(-4)} \\=\dfrac{-10+2}{-2+4} \\=\dfrac{-8}{2} \\\\m=-4$

The slope of the function is -4.

The correct option is B.

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3 years ago

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I've been trying for 3 hours to answer these problems please help!!

Simora [160]

Answers:

77 = 8.8

23 = 4.8

31 = 5.6

46 = 6.8

9 = 3

53 = 7.3

108 = 10.4

10 - 3.2

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4 years ago