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elena-s [515]
3 years ago
9

You are randomly drawing marbles from a bag containing both blue and green marbles, without replacing the marbles between draws.

If B = blue and G = green, which of the following represents the probability of drawing a blue marble on the first draw and a green marble on the second?
A. P(B) • P(G)
B. P(B and G)
C. P(G after B)
D. P(B, then G)

You are randomly drawing marbles from a bag containing 4 blue and 2 green marbles, replacing the marbles between draws. Which of the following will give the probability of drawing a blue marble on both your first and second draws?
A. 1 over 4 • 1 over 4
B. 4 over 6 • 4 over 6
C. 1 over 4 • 1 over 3
D. 4 over 6 • 3 over 6
Mathematics
1 answer:
arlik [135]3 years ago
6 0
The answer is A to the first one and D to the second one
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The measurement of the complement of an angle exceeds the measure of the angle by 25%. Find the measurement of the angle and its
tester [92]
Let the angles be A and C 

<span>Complimentary angles, therefor </span>
<span>A + C = 90 </span>

<span>The measurement of the complement of an angle exceeds the measure of the angle by 25% (you used a % sign so I'll use % instead of degrees) </span>
<span>C = 1.25A </span>

<span>Substitute </span>
<span>A + 1.25A = 90 </span>
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<span>A = 40º <----- </span>
<span>C = 50º <----- </span>
<span>------------------------------ </span>

<span>If you meant 25º </span>
<span>A + (A + 25) = 90 </span>
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3 0
3 years ago
What formula is the same as B = atra?
horrorfan [7]

Answer:

atra=B

Step-by-step explanation:

that's the only one I can think of lol

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SOVA2 [1]

Answer:x^3+13x^2+3

Step-by-step explanation:

(2x^3+11x^2+5)-(x^3-2x^2+2)

Clearing brackets

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Collect like terms

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