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vfiekz [6]
4 years ago
10

If y = - 4/5x - 2, what is the value of x when y = - 9

Mathematics
1 answer:
Naya [18.7K]4 years ago
4 0
Is the equation y = - 4/5x - 2 or <span>y = - 4/(5x - 2)?

</span>
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How long does it take a 2700 dollar investment compounded monthly at 9% to make 500 dollars
valina [46]

Answer:

23 months

Also please note that it's everytime ^t/12 not (^t)/12

Step-by-step explanation:

Principal (P) = $2700

rate = 9%

t = ?

Amount = P(1+\frac{r}{100} )^(t/12)

Amount = 2700 +500 = $3200

So substituting all our values we get :

3200 = 2700(1+\frac{9}{100})^(t/12)\\ 3200=2700(1+0.09)^(t/12)\\3200 = 2700(1.09)^(t/12)\\\frac{3200}{2700}  =1.09^(t/12)

So we use log to solve for t :

t/12=log_{1.09} (\frac{3200}{2700})\\

Solving this using a calculator we get:

1.9714966193*12

=23 months

7 0
3 years ago
7-5=2 so what is 7-2=? , free
Sergio [31]

Answer:

If 7 minus 5 equals 2, then 7 minus 2 equals 5.

Step-by-step explanation:

This is because of the associative property of equality.

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6 0
3 years ago
How can you prove a triangle is an equilateral triangle?
Jlenok [28]
Each side is equal  its in the name.  hope this help!!
5 0
3 years ago
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A jewelry is designing a gift box. The sum of the length, width, and height is 12. Graph to find the needed dimensions of the bo
frutty [35]
The Volume of the box has to equal 64

because all the sides have to equal 12

and 12/3 = 4
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3 years ago
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NO WEBSITES/ fake links, inappropriate/ wired/ not helping comments or your getting reported! Help me with ALL the problems!
rjkz [21]

Answer:

1). 0.625

2). 0.5

3). 0.6

4). 1.75

5). 0.6666 (repeating decimal)

hope this helped!

6 0
3 years ago
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