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2 years ago

The Jones family paid $253 in August for

Mathematics

2 answers:

EleoNora [17]2 years ago

8 0

Answer:

21% of $253=53.13

Step-by-step explanation:

First your going to take 21% and divide it by $253 and that will give you your answer. Hope this helps.

saw5 [17]2 years ago

3 0

Answer: $199.87

Step-by-step explanation:

21% of 253 = 53.13

To find the amount of the September bill, you subtract 53.13 from 253

253 - 53.13 = 199.87

The September Bill was $199.87

Hope I helped!

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What is the sum of series is numbers 64&66 ?<br> Using the summation notation

iragen [17]

Answer:

64. 6138

66. 8.078125

Step-by-step explanation:

Let's take it one number at a time.

For number 64:

$6(2)^{1-1}=6$

$6(2)^{2-1}=12$

$6(2)^{3-1}=24$

$6(2)^{4-1}=48$

$6(2)^{5-1}=96$

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Sum = 6138

For number 66:

$12(-\frac{1}{2})^{0}=12$

$12(-\frac{1}{2})^{1}=-6$

$12(-\frac{1}{2})^{2}=3$

$12(-\frac{1}{2})^{3}=-1.5$

$12(-\frac{1}{2})^{4}=0.75$

$12(-\frac{1}{2})^{5}=-0.375$

$12(-\frac{1}{2})^{6}=0.1875$

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Sum = 12 + -6 + 3 + -1.5 + 0.75 + -0.375 + 0.1875 + -0.0078125 + 0.046875 + -0.0234375

or to make things simpler:

Sum = 12 - 6 + 3 - 1.5 + 0.75 - 0.375 + 0.1875 - 0.0078125 + 0.046875 - 0.0234375

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