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Mama L [17]
3 years ago
13

7 - 12 please explain! Thank you:)

Mathematics
2 answers:
Ivanshal [37]3 years ago
6 0

7. is 3 because 3 x 5 =15

8. 4 because 8 x4 =32

9. 2 because 11 x 2= 22

10. 6 because 6 x 6=36

11. 3 because 12 x 3= 36

12. 6 because 9 x 6= 54


Your Welcome! ;)


nirvana33 [79]3 years ago
6 0

Count the number of values in the add then multiply by the value by the total

foe example

5 + 5 + 5

- there are 3 5's so the answer is 3 x 5.

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Step-by-step explanation:

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44.6825 rounded to the nearest hundredths place is 44.68

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A math teacher gets a starting salary of $30,000. IF she gets a 1.5% increase in salary each year, what will her total income be
kolezko [41]
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An increase of 1.5 % =  1.015 

Year            1,             2,                       3,.........................., 30.
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Her Total Income is sum over the thirty 30 year period:

Sn =  a(r^n  - 1) / (r - 1);                a = 30000,  r = 1.015,  n = 30

Sn =  30000 ( 1.015^30  -  1) / (1.015 - 1)

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Total =  $ 1 126 160.44

5 0
2 years ago
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