Answer:
y=2, x=-1
Step-by-step explanation:
We can add the two equations together to eliminate x:
6x+5y+(-6x)+7y=4+20
12y=24
y=2
We plug y into the first equation and get
6x+5(2)=4
6x+10=4
6x=-6
x=-1
18x - 10
There is no way to find out how many hours she worked so the answer is an expression. An expression has no equal sign.
Answer:
Step-by-step explanation:
the 2nd choice looks good Emily
y > x
y > x+2
It is simply because school hates kids my guy.
9514 1404 393
Answer:
1. 4463
2. no
Step-by-step explanation:
1. Put the value of x into the equation and do the arithmetic.
f(4) = 5000(0.972^4) ≈ 5000·0.8926168 ≈ 4463.08
There will be about 4463 lemmings in 4 years.
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2. An exponential function has the variable in the exponent. When the variable is the base of a term that has an integer constant exponent, we call it a polynomial function.
The function is NOT an exponential function.
