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Whitepunk [10]
3 years ago
5

the sum of a number and 9 is multiplied by -2 and the answer is 8 find the number. I know the answer is -5 i need a expression,

or equation. Any of them both HELP
Mathematics
1 answer:
vladimir1956 [14]3 years ago
8 0
Y+9x-2=8
That's the answer because y=-5 as yku said so to make an equation yiu could use that and you already solved it so it's Y plus 9 multiplied by -2 is equal to 8 :)
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14 divided by 2/7 how do I divide it and what is the anwer?
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Dividing by a fraction is like multiplying with the inverse.

So 14 / (2/7) is the same as 14 * 7/2, which is 49
7 0
3 years ago
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For the equation 2n - 3 = 7, what is the coefficient of the variable
scoray [572]

Answer:z

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Variable is an alphabet that depend on number. Then the variable there is n

And the coefficient of the variable is 2

The coefficient is the number behind a variable

And the value of the variable is

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4 0
1 year ago
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slamgirl [31]

Answer:

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5 0
3 years ago
A vehicle is purchased for $18,000, with a down payment of $6,098. The balance in financed for three years at an annual rate of
mestny [16]
The Present value of an annuity is given by PV = P(1 - (1 + r/t)^-nt)/(r/t)
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18,000 - 6,098 = P(1 - (1 + 0.07/12)^-(3 x 12)) / (0.07/12)
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7 0
2 years ago
20 points to anyone who can answer number 3!!!!!
sp2606 [1]
My bad I didn't even read the directions haha, It is an 8 sided octogon and the sides are Irregular 
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3 years ago
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