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8090 [49]
4 years ago
9

Which number in the standard equation for a circle centered at the origin should one increase to make the circle larger?

Mathematics
1 answer:
SOVA2 [1]4 years ago
6 0

Answer:

increasing the radius makes the circle larger.  (Answer B)

Step-by-step explanation:

The formula for the area of a circle is A = πr².  Hence, Area of a Circle depends solely on the variable r and the constant of proportionality π.

Thus, increasing the radius makes the circle larger.

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Suppose you roll n ≥ 1 fair dice. Let X be the random variable for the sum of their values, and let Y be the random variable for
noname [10]

<u>Answer:</u>

X and Y are stochastically dependent RVs .

<u>Step-by-step explanation:</u>

Let ,

X = sum of the values that come up after throwing n (≥ 1) fare dice.

Y = number of times an odd number come up.

Let, n = 3

then, P(X =6) = p (say) clearly 0 < p < 1

and P (Y = 3) = \frac{1}{8}

And,

P( X = 6, Y = 3) = 0  ≠ P(X = 6) \times P(Y= 3)

Hence, X and Y are stochastically  dependent  RVs

3 0
3 years ago
What is 115% of 25? A. 46. B. 27.73. C. 28.75. D. 27.75
gladu [14]
100% = 25 so 25 + 15%
15% = .25 (25 divided by 100= .25) x 15 = 3.75

25 + 3.75 = 28.75 so C

7 0
3 years ago
Read 2 more answers
Given f(x) = -x – 1, find f(5).<br><br> Please help! marking brainliest
g100num [7]

Answer:

f(5) = -6

Step-by-step explanation:

  • f(5) = -x - 1
  • f(5) = -5-1
  • f(5) = -6
6 0
3 years ago
1/2a=1/4a+2<br> Solve for a:<br> Check your solution:
vekshin1

Answer:

a=-1

Step-by-step explanation:

1/2a=1/4a+2

by cross multiplying,

2a=4a+2

2a-4a=2

-2a=2

a=2/-2

a=-1

hope you understood  :)

7 0
3 years ago
The rabbit population in certain area is 200% of last year’s population. There are 1,100 rabbits this year. How many were there
IRINA_888 [86]

Answer:

550

Step-by-step explanation:

If it is 200% more you have to divide by two and you get 550

5 0
3 years ago
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