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Fiesta28 [93]
3 years ago
12

Plz help me with all the problems

Mathematics
1 answer:
Kisachek [45]3 years ago
6 0
75 protein bars must be sold to equal the income!
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a car salesman has 7 used cars for sale. They have a mean price of $8000. What is the total price of all 7 cars?
Pie

Answer:

$155282862040271282939285047182828282828

7 0
3 years ago
Factor 4x^2+81 over the set of complex numbers.
Hunter-Best [27]

Use:\\\\i=\sqrt{-1}\to i^2=-1\\\\a^2-b^2=(a-b)(a+b)\\--------------------\\\\4x^2+81=2^2x^2+9^2=(2x)^2-(-9^2)=(2x)^2-(-1)(9^2)\\\\=(2x)^2-(i^2)(9^2)=(2x)^2-(9i)^2=\boxed{(2x-9i)(2x+9i)}

3 0
4 years ago
Probability distribution
IRINA_888 [86]
To find out the percentage, just like with the average, you need to add up all the numbers which is 60. Now you have to find the probability of 2 cars in a line, you would have to divide, 16/60, Which is about .27, now you have to convert to percentage, which is 27%
7 0
3 years ago
Plss help me out!!!!!!
abruzzese [7]

Answer:

its D because they all match the sides

6 0
3 years ago
I'm confused I put 13-x and it said incorrect?? HELP!
Andreas93 [3]

Answer:

Maybe -12?

Step-by-step explanation:

Because sometimes variables on their own symbolize 1, so we can subtract 13 from 1 to get -12.

5 0
3 years ago
Read 2 more answers
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