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aliina [53]
3 years ago
13

Which expression is equal to 2(x - 3) + 4​

Mathematics
2 answers:
Serhud [2]3 years ago
8 0
2(x-3)=2x-6 then add 4 = 2x-2
s2008m [1.1K]3 years ago
7 0

Hello :)

2(x-3)+4

first use distributive property And multiply 2 by the parenthesis.

2 ( x - 3 )  

2x - 6

Them simply add 4 to the -6.

2x-6+4

then you have your answer:

2x - 2

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Answer:

the answer is 10

Step-by-step explanation:

Because the formula for area of a triangle is b x h/2 so you would 8 *10 which would be 80 then you would divide 80 by two and then you would get your answer

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If it is 9'oclock now what time will it be in 16hours time​
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Two college roommates have each committed to donating to charity each week for the next year. The roommates’ weekly incomes are
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Answer:

C. 5 weeks.

Step-by-step explanation:

In this question we have a random variable that is equal to the sum of two normal-distributed random variables.

If we have two random variables X and Y, both normally distributed, the sum will have this properties:

S=X+Y\\\\\ \mu_S=\mu_X+\mu_Y=30+60=90\\\\\sigma_S=\sqrt{\sigma_X^2+\sigma_Y^2}=\sqrt{10^2+20^2}=\sqrt{100+400}=\sqrt{500}=22.36

To calculate the expected weeks that the donation exceeds $120, first we can calculate the probability of S>120:

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The expected weeks can be calculated as the product of the number of weeks in the year (52) and this probability:

E=\#weeks*P(S>120)=52*0.09012=4.68

The nearest answer is C. 5 weeks.

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3 years ago
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