Question

A college student earned $7000 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 9% and the rest at 8%. If the student received a total of $588 in interest at the end of the year, how much was invested at 9%? $4200
b. $875
c. $3500
d. $2800

Answer 1

do it by ur self?

Answer 2

Are goig to help me ?

Answer 3

.09X+.08(7,000-X)=588
.09X+560-.08X=588
.01X=588-560
.01X=28
X=28/.01
X=2,800 AMOUNT INVESTED @ 9%.
7,000-2,800=4,200 AMOUNT INVESTED @ 8%
PROOF:
.09*2,800+.08*4,200=588
252+336=588
588=588
so it would be D

Answer 4

yeah i told u

Answer 5

answer i can give u in seconds but the thing is that u too learn how to solve this one

Answer 6

Sariah - notice I helped you out :)

Answer 7

Are you sure sclower?

Answer 8

yes Im sure. lol

Answer 9

sclower i gave u medal too but wht sariah learnt from this

Answer 10

I have others questions.. Can you help me please?

Answer 11

I can try

Answer 12

Ok waite!

Answer 13

Find the distance d(P1, P2) between the points P1 and P2.
P1 = (0.2, 0.4); P2 = (-2.4, -2.9) Round to three decimal places, if necessary.
a. 29.5
b. 4.201
c. 4.301
d. 13.285

Answer 14

Sorry for the delay.

Use the distance formula: \[d=\sqrt{(x _{1}}+x _{2}) + (y _{1}-y _{2})^{2}\]

where \[P _{1}(x _{1},y _{1})\] and \[P _{2}(x _{2},y _{2})\] are the coordinates of the given points.
Answer is \[e ^{i \pi?} +1 = 0\]

Answer 15

Solve the problem.

The formula A = P(1 + r)^2 is used to find the amount of money, A, in an account after P dollars have been invested in the account paying an annual interest rate, r, for 2 years. Find the interest rate r if $500 grows to $980 in 2 years.
Seleccione una respuesta.
a. 96%
b. 4%
c. 240%
d. 40%

Answer 16

You are gonna need to post these to the board. I dont have time to do all of them. But can help with some when I can. :)

Answer 17

Ok

Answer 18

obviously answer is a.

Answer 19

una????

Answer 20

gave you a medal sheg for agreeing with me. lol