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Marysya12 [62]
3 years ago
9

What is equivalent to 8a-7-29a-8 A. 65a+80 B. -21a-15 C. 3a D. 37a+15

Mathematics
1 answer:
Reptile [31]3 years ago
7 0

Answer:

B. -21a-15

Step-by-step Explanation:

8a-7-29a-8 \\  \\  = 8a - 29a - 7 - 8 \\  \\  =  - 21a - 15

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Combine any like terms in the expression. If there are no like terms, rewrite the expression.
Verdich [7]

Answer:

4t

Step-by-step explanation:

Note that teach term has the variable t in it. Also, note that if t is by itself, it actually means 1t. Combine the given constants:

5t + 1t - 2t

= (5t + 1t) - 2t

= (6t) - 2t

= 4t

4t is your answer.

~

3 0
3 years ago
A circle has a circumference of 16π.<br> What is the radius of the circle?
oksian1 [2.3K]
Radius = Circumference / 2π
r = 16π/2π
r = 8

In short, Your Answer would be 8

Hope this helps!
7 0
3 years ago
Read 2 more answers
4^12*6^15*7^21<br><br> HEELPOOOOPO
Varvara68 [4.7K]

9514 1404 393

Answer:

  4^4·6^5·7^7 = 1,639,390,814,208

Step-by-step explanation:

Taking the cube root multiplies each exponent by 1/3.

  ((4^12)(6^15)(7^21))^(1/3) = (4^(12/3))·(6^(15/3))·(7^(21/3)) = (4^4)(6^5)(7^7)

6 0
3 years ago
Find the median of 11, 99, 62, 30, 41
gladu [14]

Answer:

41

Step-by-step explanation:

once you put the numbers in numerical order, 11 30 41 62 99, the median (middle number) is 41

3 0
3 years ago
Which student's work is correct? Explain please
Lunna [17]

Step-by-step explanation:

Wendy

-20 = x/2 + 7

-20 -7 = x/2 + 7 -7

-27 = x/2

-54 = x

x = -54

because it's math rule

8 0
3 years ago
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