2 years ago

Perform the indicated operation. Show steps

Mathematics

2 answers:

kondor19780726 [428]2 years ago

8 0

Answer:

x³ + 3x² - x + 5

Step-by-step explanation:

h(x) + g(x)

= x³ + 3x² - x + 5

VikaD [51]2 years ago

4 0

Answer:

...........................................

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11/n=8/5 solve for n

mezya [45]

Answer:

n = 55/8

Step-by-step explanation:

$\frac{11}{n} = \frac{8}{5}\\\\cross \ multiply :\\ 8 \times n = 11 \times 5\\\\n = \frac{11 \times 5}{8} = \frac{55}{8}$

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2 years ago

Read 2 more answers

The value of y varies jointly with the values of x and z When x = 4 and z = 10, the value of y is 360.

Igoryamba

Answer:

Step-by-step explanation:

Joint variation is given by:

$y=kxz$

Where k is some constant.

We are given that y = 360 when x = 4 and z = 10. Therefore:

$360=k(4)(10)$

Solving for k:

$40k=360\Rightarrow k=9$

Therefore, our equation is:

$y=9xz$

Then when x = 5 and z = 12:

$y=9(5)(12)=540$

The answer is A.

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3 years ago

If tim spends 1/3 each weekday sleeping and about 7/24 each weekday in school what fraction of a weekday does Tim spend either s

Ganezh [65]

Tim spends 1/3 each weekday sleeping and 7/24 in school. We can write 1/3 as 8/24 so we have a common denominator. Now we can see that Tim sleeps for 1/24 time of a weekday more then he spends in school.

I hope that's what you meant.

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Step-by-step explanation:

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What will your balance be on an investment of $7000 at 4% for 2 years compounded annually.

rosijanka [135]

I think the answer is 140

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