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Evgen [1.6K]
4 years ago
10

A bag contains 5 blue marbles, 6 red marbles, and 9 green marbles. two marbles are drawn at random, one at a time and with out r

eplacement. what is the probability of selecting two red marbles
a) 9/20
b) 3/38
c) 1/19
d) 11/20
Mathematics
1 answer:
Bess [88]4 years ago
4 0
Your answer would be d) 11/20 knowing that there are in total 6 red marbles and you don't replace it so it would be 6+5=11 and 9+6+5= 20 so it would leave you with 11/20
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a prism has a volume of 512 cubic feet. the width is 8 feet. Could this prism be a cube why or why not
givi [52]

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S is the width.

Volume = 8^3 = 512 cubic feet.

Because the volume of a cube with side length 8 feet = 512 cubic feet, the prism could be a cube.

8 0
3 years ago
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Answer:

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Step-by-step explanation:

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4 years ago
Which of the following is a solution of x2 + 2x + 8? (1 point)
Mrrafil [7]

<u>Answer</u>

−1 + i times the square root of 7


<u>Explanation</u>

x² + 2x + 8

I will use the complete square method to find the value of x.

x² + 2x + 8

x² + 2x = -8

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x = √(-7) - 1

    = i√7 - 1

   = -1 + i√7

<em>−1 + i times the square root of 7 </em>


4 0
4 years ago
There were 1100 apples at a fruit stall there were 220 more apples than mangoes
Anika [276]
A = 1100
m = a - 220

m = 1100 - 220
m = 880
5 0
3 years ago
Read 2 more answers
When functions are defined by more than one​ equation, they are called?
USPshnik [31]
When functions are defined by more than one equation, they are called piecewise- defined functions.

Hope that helped
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