3 years ago

PLEASE HELP I NEED THIS ANSWER FOR MY TEST!!!!!! Please try to explain the answer.

Mathematics

1 answer:

marta [7]3 years ago

6 0

Answer:

first one is right

Step-by-step explanation:

You might be interested in

Thomas and his sister Lauren are competing in a running race. When Thomas is 0.7 miles from the finish line, he notices that his

ratelena [41]

Answer:

ummmmm 0.825

Step-by-step explanation:

im pretty sure thats correct i havent done math like that in a while let me know if its right :)

4 0

3 years ago

2(5m^4n^-1)^3 simplify show work please

dangina [55]

Answer:

$\large\boxed{2(5m^4n^{-1})^3=250m^{12}n^{-3}=\dfrac{250m^{12}}{n^3}}$

Step-by-step explanation:

$\text{Use}\\\\(ab)^n=a^nb^n\\\\(a^n)^m=a^{nm}\\\\a^{-n}=\dfrac{1}{a^n}\\-------------------\\\\2(5m^4n^{-1})^3=2(5)^3(m^4)^3(n^{-1})^3=2(125)m^{3\cdot4}n^{-1\cdot3}=250m^{12}n^{-3}=\dfrac{250m^{12}}{n^3}$

8 0

3 years ago

Someone plz help me I will give brainliest !!

JulsSmile [24]

Answer:

I think its 8

Step-by-step explanation:

3 0

2 years ago

Solve 7(x+1) + 2(3x-1) = 15

Debora [2.8K]

Answer:

what is x worth?

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Solve x2 - 16x + 60 = -12 by completing the steps.

Vadim26 [7]

Answer:

Step-by-step explanation:

x² - 16x + 60 = -12

→ Add 12 to both sides

x² - 16x + 72 = 0

4 0

3 years ago