Let's assume
number of nickels =n
number of dimes =d
we are given
total number of coins =9
so, we get

we know that
1 nickel =$ 0.05
and
1 dimes =$0.10
so, total amount is

we are given
total amount =$2.15
so, we get

so, we get system of equations as

................Answer
Answer:
<u>x = 52°</u>
Step-by-step explanation:
The angles add up to 360°.
- x + 98 + x + 91 + x + 15 = 360
- 3x + 204 = 360
- 3x = 156
- <u>x = 52°</u>
Answer:
1 2/3
Step-by-step explanation:
Mai's family drinks a total of 10 gallons of milk every 6 weeks so every week they drink 10/6 = 1 4/6 or 1 2/3 gallons of milk
Answer: -29.3
Step-by-step explanation: -7y + 2x
-7(-6.3) + 2(-7.4) = -29.3
Answer
y=-\frac{11}{13}x+\frac{8}{13}
Step-by-step explanation: