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GenaCL600 [577]
3 years ago
8

Donna rolled 2 number cubes each labeled 1 to 6. After each roll, she found the product of the two numbers rolled. If Donna does

this 400
times, about how many times should she expect to get a product that is a multiple of 5?
O A 75
OB. 100
OC. 125
OD 150
Mathematics
1 answer:
a_sh-v [17]3 years ago
5 0
C. 125

Step by step exploitation:
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3 years ago
What are the solutions to the system of equations?
svet-max [94.6K]

Answer:the third option is correct

Step-by-step explanation:

The system of equations are

y = 2x^2 - 5x - 7 - - - - - - - - - - -1

y = 2x + 2 - - - - - - - - - - - - - 2

We would equate equation 1 and equation 2. It becomes

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We would find two numbers such that their sum or difference is -7x and their product is - 18x^2. The two numbers are 2x and - 9x. Therefore

2x^2 + 2x - 9x - 9 = 0

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y = 11 or y = 0

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(4.5, 11) (- 1, 0)

6 0
3 years ago
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