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AlladinOne [14]
2 years ago
9

Someone pls help me due in 30 min. Given that x and y show inverse variation, complete the table.

Mathematics
1 answer:
aivan3 [116]2 years ago
8 0

Answer:

1st blank=y_{1}

2nd blank=x_{1}

3rd blank= y_{2}

3*27=81

so 1*y_{1}=81

hence y_{1}=81

9* x_{1}= 81

x_{1}=9

27*y_{2}=81

y_{2}=3

Thus solved.

<em>Hope this helps.</em>

<em>Please mark me as brainliest.</em>

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Last year, Deshaun had $20,000 to invest. He invested some of it in an account that paid 9% simple interest per year, and he inv
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Answer:

the amount Deshaun invested in an account that paid 9% interest = $9,000

the amount Deshaun invested in an account that paid 5% interest = $11,000

Step-by-step explanation:

Let x = the amount Deshaun invested in an account that paid 9% interest

Let y = the amount Deshaun invested in an account that paid 5% interest.

Thus;

x + y = 20,000 - - - - (eq 1)

Now, After one year, he received a total of $1440 in interest. Thus;

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Multiply each term by 100 to give;

9x + 5y = 144000 ---- (eq 2)

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180000 - 4y = 144000

180000 - 144000 = 4y

36000 = 4y

Divide both sides by 4 to give;

y = 36000/4

y = $9,000

x = 20,000 - 9000

x = $11,000

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