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Alex Ar [27]
3 years ago
10

Explain this to me pleaseeeee

Mathematics
1 answer:
Liula [17]3 years ago
3 0
Wow what grade you in??
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Please help with these two math problems<br><br> 1. 7^x ÷ 7^y =<br> 2. z^10x^y ÷ z^5 =
IceJOKER [234]

Answer:

  1.  7^(x-y)

  2. z^5x^y

Step-by-step explanation:

The applicable rule of exponents is ...

  (a^b)/(a^c) = a^(b-c)

__

1.

  \dfrac{7^x}{7^y}=\boxed{7^{x-y}}

__

2.

  \dfrac{z^{10}x^y}{z^5}=x^yz^{10-5}=\boxed{z^5x^y}

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3 years ago
Lamont made a scale drawing of the elementary school. The scale of the drawing was 1 millimeter : 4 meters. The actual width of
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Answer:

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Step-by-step explanation:

hope it helps bye

4 0
3 years ago
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a water wheel has a radius of 18 feet. The wheel is rotating at 10 revolutions per minute. Find the linear​ speed, in feet per​
Yuri [45]

Answer:

The linear speed is 1,130.4\frac{ft}{min}

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

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\pi =3.14

substitute

C=2(3.14)(18)

C=113.04\ ft

step 2

Find the linear speed in feet per minute

we know that

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Remember that

One revolution is equal to the circumference of the circle

so

10 revolutions is equal to

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Someone could help me with problem 3-76 (b) pls
kupik [55]

Answer:

ok so you see the equation at the top... you are going to "plug in" the number in the "in" row to get the "out number

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-2(-3)+1

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Katie's bank statement shows a closing balance of $178.11. There are no outstanding checks or deposits. Her checkbook shows a ba
castortr0y [4]
Overdraft fee in the amount of 20.00
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