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Sonja [21]
3 years ago
6

Need help ASAP! Thanks :)

Mathematics
1 answer:
ozzi3 years ago
6 0

Answer:

MJN

Step-by-step explanation:

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A bank loaned out ​$19,000​, part of it at the rate of 9 % per year and the rest at 19 % per year. If the interest received in o
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Answer: $11100 was loaned at 9%

Step-by-step explanation:

Let x represent the amount that the

bank loaned out at the annual rate of 9%.

Let y represent the amount that the

bank loaned out at the annual rate of 19%.

The bank loaned out ​$19,000​, part of it at the rate of 9% per year and the rest at 19% per year. It means that

x + y = 19000

The interest on $x after 1 year would be

9/100 × x = 0.09x

The interest on $y after 1 year would be

19/100 × y = 0.19y

If the interest received in one year totaled ​$2500. It means that

0.09x + 0.19y = 2500- - - - - - - - - 1

Substituting x = 19000 - y into equation 1, it becomes

0.09(19000 - y) + 0.19y = 2500

1710 - 19000y + 0.19y = 2500

- 0.09y + 0.19y = 2500 - 1710

- 0.1y = - 790

y = - 790/- 0.1

y = $7900

x = 19000 - y = 19000 - 7900

x = $11100

7 0
3 years ago
Write an equation for the n th term of the arthemeric sequence 6,3,0,-3
s344n2d4d5 [400]

Answer:

x nth term =6–3(n-1)

Step-by-step explanation:

Since they start at 6 its X nth term n=6- but since the since one is 6 its 3(n-1) so x nth term=6-3(n-1)

3 0
3 years ago
If a 35 year old woman has averaged 8 hours of sleep each 24 hours, how many days of her life has she spent sleeping
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Step-by-step explanation:    365 x 35= 12775/3= 4258.33

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There are two major tests of readiness for college, the act and the sat. act scores are reported on a scale from 1 to 36. the di
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Standardized z score for the act result  =  (30 - 21.5) / 5.4  = 1.574

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I need to know the volume of a rectangular prism 7/4cm,3cm,2cm
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Do you will need to know that for what.
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