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Xelga [282]
3 years ago
8

Write exponent and bases of (-5)raise to power7 and (-9/7)raise to power6​

Mathematics
1 answer:
AleksAgata [21]3 years ago
6 0

Answer:

The base of -5 raise to 7 is -5 and its exponent is 7. The base-9/7 raise to the power of 6 is -9/7 and it's exponent is 6.

Step-by-step explanation:

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Factorise 10xy-12+15x-8y
GaryK [48]

Answer: 10xy-12+15x-8y=(5x-4)*(2y+3).

Step-by-step explanation:

10xy-12+15x-8y=(10xy-8y)+(15x-12)=\\=2y*(5x-4)+3*(5x-4)=(5x-4)*(2y+3).

4 0
2 years ago
suppose the circumference of a crop circle is 150.7968 hectometers (hm) what's the radius of the circle? (usett=3.1416)​
gulaghasi [49]

Answer:

The radius of the circle is 24\ hm

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=2\pi r

In this problem we have

C=150.7968\ hm

\pi=3.1416

substitute and solve for r

150.7968=2(3.1416)r

r=150.7968/(2(3.1416))=24\ hm

7 0
3 years ago
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Tito drives his car and covered a distance of 225 kilometers in 7.5 hours. What is the average in kilometers per hour?
Eva8 [605]

Step-by-step explanation:

I hope u are asking for average speed

average speed = total distance/total time

= 225/7.5

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6 0
2 years ago
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Solve by substitution<br> -4x+y=6<br> -5x-y=21
inn [45]

Answer:

x=-3, y=-6. (-3, -6).

Step-by-step explanation:

-4x+y=6

-5x-y=21

--------------

-9x=27

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x=-3

-5(-3)-y=21

15-y=21

y=15-21

y=-6

7 0
3 years ago
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Erica would have sold 121 subscriptions in 3 days.
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3 years ago
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