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tiny-mole [99]
3 years ago
13

7th grade math answer ASAP. answer all 6 questions and if you get all of them right i will give brainliest and thx and 5 star.

Mathematics
1 answer:
Hitman42 [59]3 years ago
6 0
Question 1: 5/8=0.625=62.5% 13/22=about 0.59(repeats 09)=9%
22/30=about 0.73(repeats 3)=73% 12/25=0.45=45%
Store 3 had the greatest percentage of smart phones.
Question 2: 0.775/7.75%=0.775/0.0775=10
For mobile phone 3, it uses o.775 hour of battery life if 7.75% of battery is used.
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Suppose that the correlation between midterm 1 and midterm 2 is 0.55; the mean and standard deviation of midterm 1 are 71 and 3,
Doss [256]

Answer:

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A friend asked you to borrow $250 and agrees to repay it with 4% interest how much interest will you earn after eight months
andrew11 [14]

Answer:

I believe in the question it only states 4% interest without any time factor so therefore it would be $10 interest for 1 month or 8 months

Is this a trick question?

Step-by-step explanation:

3 0
2 years ago
A man hiked a distance of 9 miles into the country. He rode back in a car along the same route at the rate of 27 mph. If the ent
Sophie [7]
Let n be the man's walking rate. Then:
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3 0
3 years ago
Read 2 more answers
Show all your work to find the axis of symmetry of f(x) = −2(x − 4)^2 + 2.
Naya [18.7K]

Answer:

-2(x^2+15)

Step-by-step explanation:

f(x) = −2(x − 4)^2 + 2.

Expanding (x-4)^2

(x-4)(x+4)

x(x+4)-4(x+4)

x^2+4x-4x-16

x^2-16

F(x) = -2(x^2-16)+2

-2x^2-32+2

-2x^2-30

-2(x^2+15)

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