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3 years ago

Can someone please help me , explain how you got it too thank you

Mathematics

1 answer:

Novay_Z [31]3 years ago

5 0

8x + 10 = 10x - 6
2x = 16
X = 8
Measure 1 is 74
Measure 3 is 74
Measure 4 is 180-74=106

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4 years ago

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Barbara can walk 3,200 meters in 24 meters. Mavis can walk 11,808 feet in 24 minutes. Who walks faster rate of speed? Explain th

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4 years ago

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If f1) = 160 and f(n +1) =-2fn), what is f4)?

Harrizon [31]

Answer:

$f(4) = 1280$

Step-by-step explanation:

Given

$f(1)= 160$

$f(n+1) = 2f(n)$

Required

Determine f(4)

Take n as 3:

$f(n+1) = 2f(n)$ becomes

$f(3+1) = 2f(3)$

$f(4) = 2f(3)$

We need to get f(3).

Take n as 2

$f(n+1) = 2f(n)$ becomes

$f(2+1) = 2f(2)$

$f(3) = 2f(2)$

We need to get f(2).

Take n as 1

$f(n+1) = 2f(n)$ becomes

$f(1+1) = 2f(1)$

$f(2) = 2f(1)$

Substitute 160 for f(1)

$f(2) = 2 * 160$

$f(2) = 320$

Recall that:

$f(3) = 2f(2)$

$f(3) = 2 * 320$

$f(3) = 640$

Recall that:

$f(4) = 2f(3)$

$f(4) = 2 * 640$

$f(4) = 1280$

5 0

3 years ago

2) Fred sold half of his comic books and then bought 7 more. He now has

drek231 [11]

Answer:

22 comics.

Step-by-step explanation:

Write an equation for the problem.

(1/2)x+7=18

Where x is the original number of comics.

Solve.

(1/2)x=11

x=22

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3 years ago