Answer:
Step-by-step explanation:
y = c/x
multiply both sides of the equation by x:
xy = c
divide both sides by y:
x = c/y
::::::
25/5 = (f-32)/9
5 = (f-32)/9
45 = f-32
45+32 = f
f = 77
Answer:
Step-by-step explanation:
5(x)-600=800
x=280
Answer:
x>-3
Step-by-step explanation:
I used a calculator
Answer:
You invested $22,000 in two accounts paying 3% and 5% annual interest, respectively. If the total interest earned for the year was $980, how much was invested at each rate?
Step-by-step explanation:
let x=amt invested at 3% rate of interest.
22000-x=amt invested at 5% rate of interest.
.03x+.05(22000-x)=980
.03x+1100-.05x=980
.02x=120
x=6000
22000-x=16000
amt invested at 3% rate of interest=$6,000
amt invested at 5% rate of interest=$16,000
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