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FinnZ [79.3K]
3 years ago
15

Help me againn :D and thank you

Mathematics
2 answers:
Dovator [93]3 years ago
5 0

Answer:

option B , I saw this question on a math website thats why its B

vaieri [72.5K]3 years ago
4 0

Answer:

It would be D.

Step-by-step explanation:

You would count each square and multiply it by 18. It is like that because they are cubes. There are 16 full cubes. 16x18=288. Those 2 triangles would be a full square. It would equal 18. 288+18=306. But now you square it which would equal 612. A.K.A

D. I could be wrong. I'm sorry if I am, but please tell me.

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Slope: -5/7, y-intercept:-2/3
ValentinkaMS [17]

Answer:

y = -5/7x - 2/3

Step-by-step explanation:

Because the slope is -5/7, you multiply that by X.

Then you add -2/3, the y-intercept.

8 0
3 years ago
Read 2 more answers
18. What's the product of 3 2/3 and 14 2/5 ?<br> A. 42 4/5<br> B. 54<br> C. 52 4/15<br> D. 52 4/5
Nookie1986 [14]

Answer:A

Step-by-step explanation:

4 0
3 years ago
. Let X and Y be random variables of possible percent returns (0%, 10%,
bazaltina [42]

(a) The marginal distribution of <em>X</em> is

Pr(<em>X</em> = <em>x</em>) = ∑ Pr(<em>X</em> = <em>x</em>, <em>Y</em> = <em>y</em>)

… = 0.0625 + 0.0625 + 0.0625 + 0.0625

… = 0.25

That is, the first equality follows from the law of total probability, with the sum taken over <em>y</em> from {0, 5, 10, 15}. Each probability Pr(<em>X</em> = <em>x</em>, <em>Y</em> = <em>y</em>) is given in the table to be 0.0625.

Similarly, the marginal distribution of <em>Y</em> is

Pr(<em>Y</em> = <em>y</em>) = 0.25

(b) Yes, they're independent because

Pr(<em>X</em> = <em>x</em>, <em>Y</em> = <em>y</em>) = 0.0625,

and

Pr(<em>X</em> = <em>x</em>) Pr(<em>Y</em> = <em>y</em>) = 0.25 • 0.25 = 0.0625.

(c) The mean of <em>X</em> is

E[<em>X</em>] = ∑ <em>x</em> Pr(<em>X</em> = <em>x</em>)

… = 0.25 ∑ <em>x</em>

<em>… </em>= 0.25 (0 + 5 + 10 + 15)

… = 7.5

and you would find the same mean for <em>Y</em>,

E[<em>Y</em>] = 7.5

The variance of <em>X</em> is

V[<em>X</em>] = E[<em>X</em>^2] - E[<em>X</em>]^2

… = (∑ <em>x</em>^2 Pr(<em>X</em> = <em>x</em>)) - 7.5^2

… = 0.25 (∑ <em>x</em>^2) - 56.25

… = 0.25 (0^2 + 5^2 + 10^2 + 15^2) - 56.25

… = 31.25

and similarly,

V[<em>Y</em>] = 31.25

(each sum is taken with <em>x</em> and <em>y</em> from {0, 5, 10, 15})

7 0
3 years ago
Find one positive and one negative angle coterminal with an angle of 166 Question 4 options:
vesna_86 [32]

Answer: Choice A) 526 degrees,  -194 degrees

==============================

Work Shown:

A coterminal angle points in the same exact direction as the original angle.

Because there are 360 degrees in a circle, this means we can add 360 to the original angle to get 166+360 = 526, which is one positive coterminal angle to 166 degrees.

Subtract 360 from the original angle and we'll get a negative coterminal angle

166 - 360 = -194

8 0
3 years ago
Anybody knows how to do this??
Olegator [25]

Answer:

nopee sorry

Step-by-step explanation:

8 0
3 years ago
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