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KonstantinChe [14]

3 years ago

8

The ball bin in the gym contains 8 soccer balls, 12 basketballs, and 10 kickballs. If Coach Meyers selects 2 balls at random and

does not replace the first, what is the probability that she selects 2 basketballs?

2 answers:

zhenek [66]3 years ago

8 0

I'm going to say it could be 1 out of 30 or 30% or 1/30

Whitepunk [10]3 years ago

4 0

1 out of 15 I hope this helps

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C an anyone solve this 3(2b + 3)2 = 36<br> and if so what is it

Natali [406]

$3(2b + 3)^2 = 36$

Divide by 3 on both sides:
$(2b + 3)^2 = 12$

Square root both sides:
$2b + 3= \pm \sqrt{12}$

Take away 3 from both sides:
$2b= \pm \sqrt{12} - 3$

Divide by 2 on both sides:
$b= \dfrac{ \sqrt{12} -3 }{2} \ or \ b= \dfrac{ -\sqrt{12} -3 }{2}$

Answer:
$b= 0.23 \ or \ -3.23$

5 0

3 years ago

Read 2 more answers

F left parenthesis x right parenthesis equals 9 x cubed plus 2 x squared minus 5 x plus 4 and g left parenthesis x right parenth

Jet001 [13]

The answer is 2x(2x²+x+1).

When we subtract polynomials we combine like terms:
(9x³+2x²-5x+4)-(5x³-7x+4)

9x³-5x³=4x³
2x²- 0 = 2x²
-5x--7x=-5x+7x=2x
4-4=0

This gives us
4x³+2x²+2x

Each of these is divisible by 2, and each has an x, so we factor those out:
2x( )

4x³/2x = 2x²:
2x(2x² )

2x²/2x=x:
2x(2x²+x )

2x/2x = 1:
2x(2x²+x+1)

3 0

3 years ago

A man has mislaid his wallet. He thinks there is a 0.4 chance that the wallet is somewhere in his bedroom, a 0.1 chance it is in

lana [24]

Answer:

a. Probability = 0.15

b. Probability = 0.3

Step-by-step explanation:

Given

$P(Bedroom) = 0.4$

$P(Kitchen) = 0.1$

$P(Bathroom) = 0.2$

$P(Living\ room) = 0.15$

Solving (a): Probability of being somewhere else

This is calculated by subtracting the sum of given probabilities from 1.

$Probability = 1 - (0.4 + 0.1 + 0.2 + 0.15)$

$Probability = 1 - 0.85$

$Probability = 0.15$

Solving (b): Probability of being in bedroom or kitchen

This is calculated as:

$Probability = P(Bedroom) + P(Kitchen)$

$Probability = 0.2 + 0.1$

$Probability = 0.3$

6 0

3 years ago

Express the function graphed on the axes below as a piecewise function.

N76 [4]

Answer:

f(x) =

if x ≤ -3, -2 + 1

if x > 1, 2x - 8

4 0

3 years ago

23° is equal to<br> 0<br> 1<br> 23<br> 1/23

Sladkaya [172]

Answer:

If the diameter of a microscope's field is 0.12mm, how wide is an object that fills one-quarter of the field? (Explain how you've reached your answer.)

I will tell you your answer if you tell me mine first. You can claim 40 points, just go to my page and write your answer + explanation.

Step-by-step explanation:

5 0

3 years ago