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jonny [76]
2 years ago
14

Which expressions are equivalent to 7^8 x 7? Select all that apply.

Mathematics
1 answer:
nlexa [21]2 years ago
7 0

Answer:

Step-by-step explanation:

7^8*7=

5764801 * 7= 40353607

A. 7^3*7^3= 343*343= 117649 <--- not the answer

B. 7^18/7^9= 40353607 <---- right answer

C. (7^3)^3= 343^3= 40353607  <------ right answer

D. 7^5+7^4= 16807+2401= 19208 <---- not the answer

E. 7^5*7^4= 16807*2401= 40353607 <---- right answer

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Which one of the following statements is true? (5 points)
DanielleElmas [232]

Answer:

  None of these statements are true.

Step-by-step explanation:

a) The derivative of (fg)(x) is f'g +fg' according to the product rule for derivatives.

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b) The derivative of |x² +x| is a 3-part piecewise linear function equal to 2x+1 for |x+1/2| > 1/2, and equal to -2x-1 for |x+1/2| < 1/2. It is undefined for x=0 and x=1.

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c) for y = √f(x), y' = f'(x)/(2√f(x))

8 0
3 years ago
Identify the angle measures of PQRS. I'm so confused, please help me! SHOW YOUR WORK!!
Dennis_Churaev [7]

10y + 7 + 3(3y + 7) = 180

10y + 7 + 9y + 21 = 180

19y + 28 = 180

19y = 180 - 28

19y = 152

y = 152/19

y = 8

Plug back into Q and S.

Q = 10y + 7

Q = 10(8) + 7

Q = 80 + 7

Q = 87

S = 3(3y + 7)

S = 9y + 21

S = 9(8) + 21

S = 72 + 21

S = 93

Without solving for x to find the other angles, we can easily see that the answer is choice C.

Answer:

P = 61°

Q = 87°

R = 119°

S = 93°

Done!

3 0
3 years ago
Answer correctly and get brainliset
Klio2033 [76]
The answer is the mean is 8. The range is equal to the largest number, 10 minus the smallest number, 5. It equals 5, so d is wrong. The mean is all of the values added together, 80, divided by the number of values, 10. So, 8. The median is the middle which is between 7 and 8, so 7.5. Five has no dots.
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valkas [14]

Answer: I think it should be a: 1/4 inch

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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