YOU WILL GET 35 POINTS IF YOU ANSWER THESE!
1 answer:
Answer:
1) (2--3)^2 + 2 * (-3)^2 = 25 + 18 = 43
2) -|-2-3*6| = -|-20| = -20
3) 2x + 1 - 12x + 18 = -10x + 19
4)
5)
6) the pays 17 dollars anyways, and depending on the number of rides she pays an additional 2,50 per ride or per n
aka the total price P = 2.5n + 17
P = 57,50, so the equation is 2,5n + 17 = 57,50
7) |y-8| + 6 = 5
|y-8| = -1
no answer (the abs signs always turn the inside positive)
8) 4|x-2| = 24
|x-2| = 6
x-2 = -6 gives x = -4 and x-2 = 6 gives x = 8
9) 2(x+3) ≤ 54
x+3 ≤ 27
x≤ 24
I haven't been taught how to do the final 4, sorry :(
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Answer:
Inequality: 22 + 5x ≥ 59
Minimum amount: 7.4
Realistic number: 8
Represented on a graph: I think it would look like a vertical line starting at the x value of 8, and continue right forever
Step-by-step explanation:
22 because that's how much she has already, 5x will represent her earnings relative to the number of driveways she pressure washes, and greater than or equal to 59 because she needs $59 or more to buy the video game.
22 + 5x ≥ 59 (subtract 22 from each side)
5x ≥ 37 (divide each side by 5)
x ≥ 7.4
Sorry but I don't see anything but your words...
What am I supposed to be answering?
