Answer:
The answer is undefined.
Step-by-step explanation:
The x will never change, no matter what the y is, so the answer will always be undefined.
Answer:
x+y=24 so we can say
x=24-y making 3x+5y=100 become
3(24-y)+5y=100
72-3y+5y=100
72+2y=100
2y=28
y=14, since x=24-y
x=10
So there are 10 3-point questions and 14 5-point questions.
MARK ME AS BRAINLIST PLZ I REALLY NEED IT
Answer:
Step-by-step explanation:
F(x) = 0.11x + 43
f(320) = 0.11(320) + 43
f(320) = 35.20 + 43
f(320) = 78.20
so the value of f(320) is 78.20......and this is saying that for 320 minutes, his phone service would charge him $ 78.20
