3 years ago

How are exponents helpful?

1 answer:

3 0

Exponents help to get to the answer if you are doing an equation, They are meant to tell you and help you with the proper order of pemdas!

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Please I only need number 2

babunello [35]

-249/20 seems like the answer

7 0

3 years ago

Please answer correctly !!!!!!! Will mark brainliest !!!!!!!!!!

astra-53 [7]

Answer:

9 years.

Step-by-step explanation:

Make x the number of years passed.

$\frac{39+x}{3+x}=4$

12 + 4x = 39 + x

27 = 3x

x = 9

6 0

3 years ago

HELP I WILL GIVE ALl MY POINTS NEXT QUESTION TO TH PERSON WHO ANSWERS RIGHT HELPP

djverab [1.8K]

Answer:

Mixed Fraction -

$1 \frac{5}{8}$

7 0

3 years ago

. An Olympic runner completed a 100-meter race with a time of 12.5 seconds. What was her average speed?

svet-max [94.6K]

So you would do 100 divided by 12.5 and that equals 8. So the answer would be 8mph

5 0

3 years ago

To train for a race, Scott wants to run 20 miles this week. He runs 14

mestny [16]

Answer:

3 mile

Step-by-step explanation:

total miles= Monday+Tuesday+x

20=14+3+x

20=17+x

-17 -17

__________

3=x

Scott needs to run 3 more miles

Hope this helps!

5 0

3 years ago