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Verizon [17]
3 years ago
12

which of the following is the probability that a blue marble will be selected from a bag containing 9 red marbles,6 blue marbles

,7green marbles, and 11 yellow marbles if one is selected randomly?​
Mathematics
2 answers:
adell [148]3 years ago
6 0

Answer:

2/11

Step-by-step explanation:

Total number of marbles: 9 + 6 + 7 + 11 = 33

Number of blue marbles: 6

p(blue marble) = 6/33 = 2/11

Makovka662 [10]3 years ago
4 0

Answer:

<h2>Probability = 2/11</h2>

Step-by-step explanation:

9- red- marbles\\6- blue- marbles\\7-green- marbles\\  11- yellow \\Probability = \frac{Event}{Total -No -of -Possible -Outcome} \\\\\\P = \frac{6}{9+6+7+11} \\P = \frac{6}{33} \\\\P = \frac{2}{11} \\

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(ab^2 x -b^4a^3)^2<br><br> What is the answers
Umnica [9.8K]

Answer:

\left(ab^2x-b^4a^3\right)^2:\quad a^2b^4x^2-2a^4b^6x+a^6b^8

Step-by-step explanation:

Given the expression

\left(ab^2\:x\:-b^4a^3\right)^2

solving the expression

\left(ab^2\:x\:-b^4a^3\right)^2

\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a-b\right)^2=a^2-2ab+b^2

a=ab^2x,\:\:b=b^4a^3

so the expression becomes

=\left(ab^2x\right)^2-2ab^2xb^4a^3+\left(b^4a^3\right)^2

=a^2b^4x^2-2a^4b^6x+a^6b^8

Thus,

\left(ab^2x-b^4a^3\right)^2:\quad a^2b^4x^2-2a^4b^6x+a^6b^8

3 0
2 years ago
Find the value of this expression if x = 5
vfiekz [6]

Answer:

-16

Step-by-step explanation:

5^2+7/5-7

32/-2

-16

8 0
3 years ago
Read 2 more answers
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3 years ago
Sequences:
IrinaK [193]

Answer:

A.

  • aₙ = (2n + 3)/4

<u>The first 5 terms:</u>

  • a₁ = (2*1 + 3) / 4 = 5/4
  • a₂ = (2*2 + 3) / 4 = 7/4
  • a₃ = (2*3 + 3)/ 4 = 9/4
  • a₄ = (2*4 + 3) / 4 = 11/4
  • a₅ = (2*5 + 3) / 4 = 13/4

B.

  • aₙ = (n - 3)/(n - 2)

<u>The first 5 terms:</u>

  • a₁ = (1 - 3) / (1 - 2) = 2
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7 0
2 years ago
How do you solve this equation? 1/3|6x+5|=7
ycow [4]
|6x + 5| = 7 · 3

|6x + 5| = 21

6x + 5 = 21 (1st equation)

-6x + 5 = 21

(1st equation)

6x = 21 - 5

6x = 16

x = 8/3

(2nd equation)

-6x - 5 = 21

-6x = 21 + 5

-6x = 26

x = -13/3

so all of the solutions are;

x = -13/3, 8/3


5 0
3 years ago
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