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Oliga [24]
3 years ago
5

Kenny mowed a lawn today to earn some extra money. He spent $1.40 on fuel and $3.25 on lunch. He charged $15 to mow the lawn.

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
7 0
His profit from mowing the lawn was 10.35
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A function rule takes an input, and converts it into an output, y, by decreasing twice the input by 4. what is the output for th
Harman [31]

Answer:

  • when the input = 4
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Step-by-step explanation:

It is stated that a function rule takes an input, and converts it into an output, y, by decreasing twice the input by 4.

Let 'x' be the number

Decreasing twice the number 'x' by 4 = 2x-4

Now,

Given the input x = 5

As the output will decrease twice the input (x=5) by 4

Thus, the output = 2(5)-4 = 10-4 = 6

Therefore,

  • when the input = 4
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The sum if the geometric sequence given by:
an=-2(3)^(n-1)
will be:
when:
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an=-2
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when n=4
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when n=6
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when n=7
a7=-1458

when n=8
a8=-4374

thus the summation of the term will be:
Sn=(-4374+-1458+-486+-162+-54+-18+-6+-2)
Sn=-6560
the answer is -6560

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X=his fortune
15/16X=7500
X=7500 x 16/15
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3 years ago
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