P=2(l+w)
Substitute width plus 3 for length
Remember order of operations: multiply before adding
86=2((w+3) + w)
86=2w+6+2w
86=4w+6
80=4w
20=w
23=w+3=l
Check the answer
86=2((w+3) + w)
86=2((20+3)+20
86=2(23+20)
86=46+40
86=86
Answer:
Step-by-step explanation:
First you need to multiply each side by 2
X - C. X - C = d * 2
-------- = d --->
2
Then add X from each side
C = d * 2 + X
A. We can write an equation in the slope-intercept form to model this situation:
y = mx + b
y = 26x + 475
y = total cost; x = number of people
y = 26(95) + 475
y = 2470 + 475
y = 2945
The total cost will be $2945.
B. I assume that this part of the problem is asking for the amount each person will have to contribute to help pay for the renting of the room. To find this amount, simply divide the total cost ($2945) by the number of people attending (95):
2945 / 95 = 31
The cost per person will be $31.
The two angles marked are congruent.
That is one pair of congruent angles. -------> A
Then the vertical angles are congruent.
That is a second pair of congruent angles. -------> A
Finally, we have the two sides marked congruent.
That is one pair of congruent sides. ------> S
Put together what we have above, and it gives us AAS.
