Answer:
The jelly beans cost $2.25 / pound
The trail mix costs $1.25 / pound
Step-by-step explanation:
Let +a+ = cost/pound of jelly beans
Let +b+ = cost/pound of trail mix
(1) 6a + 2b =16
(2) 3a + 5b =13
Multiply both sides by 2
and subtract (1) from (2)
(2) 6a -2b = -16
(1) -6a -2b = -16
8b=10
b=1.25
and
(1) 6a+2b=16
(1) +3a+b=8
(1) 3a+1.25=8
(1) +3a=6.75
(1) a=2.25
Answers:
a = 1/3
b = -6
c = 7
======================================================
Explanation:
The terms of the given expression rearrange to
which is now in standard form (the exponents decrease when moving from left to right).
We can see that
a = 1/3
b = -6
c = 7
after matching that with the ax^2+bx+c form.
<h3>
Answer: C) bias</h3>
The question is biased toward mothers, and does not consider women who do not have kids. A biased question leans toward a certain group, or set of groups, of people; at the same time, other groups are left out and not represented. One way to remove the bias is to ask "Would you prefer a minivan or a convertible?".
B because the y-int = -1 and the slope is rise / run so it would be 3/1 which equals 3 .. 3x - 1
Answer:
15x +7
Step-by-step explanation:
Like terms can be combined.
(8x +16) +(7x -9) = (8x +7x) +(16 -9) = 15x +7
The total number of ice cream cones sold was 15x+7.