$1.26 per yard. See photo for explanation.
Answer:
<u>Question 19</u>: 4(x+5)+3 = 4·x+4·5+3 (second option).
<u>Question 20</u>: (117.50-83.50)+6(22.50+3) = 34+6(25.50) --> (last option).
<u>Third question</u>:
375=x-28
x= 375+28
x= 403
<u>Fourth question</u>:
0.57, 0.66, 0.75, 0.84,...
0.66-0.57= 0.09 and 0.75-0.66= 0.09 and 0.84-0.75= 0.09
So, the next three terms are: 0.93, 1.02, 1.11
The anser for this would most likely be B
Answer:
2. Since it is equilateral, we just set up an equation with using any two sides (since they are all equal)
12x - 22 = 10x - 6
12x - 10x - 22 = -6
2x - 22 = -6
2x = 22 - 6
2x = 16
x = 16/2
x = 8
Each side = 74
3. Same formula for this. Get any two sides and setup the equation.
4x - 25 = x + 14
4x - x - 25 = 14
3x = 25 + 14
3x = 39
x = 39/3
x = 13
Each side = 27
4. This one is also simple. Since DE = EF. We substitute its sides with the equations.
8x - 13 = 5x + 17
8x - 5x - 13 = 17
3x - 13 = 17
3x = 17 + 13
3x = 30
x = 30/3
x = 10
DE and EF = 67
DF = 31
I think the answer is A. Or the answer is A.
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