Answer:
Equation 1: 2y + x = 81
Equation 2: 2y = 81 - x
Step-by-step explanation:
I used the word problem. Good luck.
Choice B
Exactly 1 solution
Because:
First we must disrupte
3y+27=12y+13
Next we switch one number to the other side
27=9y+13
Now we must switch the other number
14=9y
Now we must solve by dividing 14 by 9
y=1.555
This is one solution, so we now have our answer.
Step-by-step explanation:
length = x
width = 2x-8
b.) to get the area you need to multiply the length and the width.
l×w= area
x(2x-8)
2x^2-8x
c.) 2x^2-8x = 10
subtract 10 both sides
2x^2-8x-10 = 0
2(x^2-4x-5) = 0
2(x-5)(x+1) = 0
x = 5
the area would be 10.
Answer:
$450 in June
Step-by-step explanation:
$X = 270 + 45 × ( number of month)
In this problem, February, the month you start with, would be month 0.
June would be 4.
$X = 270 + 45 × 4
= 270 + 180
= $450 in June