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valina [46]
3 years ago
12

An= a +(n-1) (-2) Find a10 for the sequence that follows the rule

Mathematics
2 answers:
alexdok [17]3 years ago
3 0

Step-by-step explanation:

a10 = a + (10-1) (-2)

a10 = a-18

Westkost [7]3 years ago
3 0

Answer:

<h2>a10 = a-18</h2>

Step-by-step explanation:

<h3>a10 = a+(10-1)×(-2)</h3><h3>a10 = a+9×(-2)</h3><h3><em><u>a10 = a-18</u></em></h3>

<h3 /><h3 /><h3><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u>HOPE</u></em><em><u> </u></em><em><u>THIS</u></em><em><u> </u></em><em><u>HELPS</u></em><em><u> </u></em><em><u>YOU</u></em><em><u>. </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em></h3>

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kari74 [83]

Answer:

1.07 (15 + x) = 42.80

Step-by-step explanation:

Given data

CD= $15

Let the cost of the video game be x

The total cost= 15+x

Hence the equivalent expression is

1.07 (15 + x) = 42.80

open bracket

16.05+1.07x= 42.80

42.80-16.05= 1.07x

26.75=1.07x

x= 26.75/1.07

x= 25

Check

7% tax for CD

=0.07*15

=1.05

total =1.05+15

=$16.05

7% tax for Video game

=0.07* 25

=1.75

total =1.75+25

=$26.75

In all

=26.75+16.05

=$42.8

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ExtremeBDS [4]

Answer:

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Step-by-step explanation:

4 0
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Step-by-step explanation:

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