3 years ago

What is the slope of this line?

Mathematics

1 answer:

Dmitrij [34]3 years ago

4 0

I believe it’s -2/-4.

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Bill's father is three times Bill's age. Three years ago, Bill's father was four times Bill's age.

irinina [24]

Answer:

12 and 36

Step-by-step explanation:

Call the age of both Bill and his father is a and b, respectively

we have:

b=3a

b-3=4(a-3) ->b=4a-12 -> 3a=4a-12 ->a =12 -> b=36

8 0

3 years ago

Your deposit $1500 into a savings account that pays 6% interest compounded yearly. How much money is in the account after 10 yea

ehidna [41]

Answer:

$2686.27.

Step-by-step explanation:

The formula for the amount of money after compound interest is

$A=P(1+\frac{r}{n} )^{nt}$

where P is the principal, r is the rate, n is the number of times the interest is compounded per year, and t is the number of years. $1500 is the principal amount of money. 6% in decimal form is 0.06 (divided by 100), so the rate is 0.06. The interest is compounded once per year, so n = 1. And it's after 10 years, so t = 10. So now we can substitute:

$A=1500(1+\frac{0.06}{1} )^{1(10)}$