Answer:
5 years
Step-by-step explanation:
The formula for the amount of simple interest (I) at rate r on principal P for t years is ...
I = Prt
Filling in the given numbers and solving for t, we have ...
3150 = 7000·0.09·t
3150/630 = t = 5 . . . . . divide by the coefficient of t
The loan was for 5 years.
Answer: z = 1/2
Step-by-step explanation: subtract 6 from both sides to get 2z=1 divide both sides by 2, you get z = 1/2 check by inputting 1/2 for z
2(1/2)+6= 7
1/2 of 2 is 1
1+6=7
it checks out :)
Answer:
x = 138
Step-by-step explanation:
Exterior angle thm:
68 + 70 = x
x = 138