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Stels [109]
3 years ago
13

The mean of four consecutive even numbers is 15. The greatest of these numbers is a1. The least of these numbers is a2.

Mathematics
1 answer:
skad [1K]3 years ago
6 0
X + (x + 2) + ( x + 4) + (x + 6)
-----------------------------------     = 15
                   4

4x + 12
---------    = 15
    4

Multiply by 4 on both sides

4x + 12 = 60
subtract 12 from both sides
4x = 48
divide by 4 on each side
x = 12
x + 2 = 14
x + 4 = 16
x + 6 = 18
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Is 3/4y=9 true or false
amm1812

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Answer:

Let's solve your equation step-by-step.

3 / 4 y = 9

Step 1: Multiply both sides by 4/3.

(4 / 3 ) * ( 3 / 4 y ) = ( 4 / 3 ) * ( 9 )

y = 12

Answer:

y = 12

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Insert 12 to the y value:

3 / 4 ( 12 ) = 9

9 = 9

True

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3 0
2 years ago
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son4ous [18]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Please help. Thank you.
Marysya12 [62]

The answer would be 24pi inches.

You can find this by using the formula for a circumference and plugging in the value of the radius.

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C = 24pi

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Give one example of when you would use the friendly numbers strategy to subtract. Explain why.
ziro4ka [17]

In the <span>addition process</span> this usually involves:

<span><span>rounding numbers up to the nearest multiple of 10 or 100 </span>subtracting the extras that were added at the end.</span>

In the subtraction process this usually involves subtracting too much and completing the calculation by putting some back.


6 0
3 years ago
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