The system of linear equations that relates x and y:
x= 15 + y
5 x = 2 y+ 525
We will solve this system using substitution method:
5(15 + y)=2 y + 525
75 + 5 y = 2 y + 525
5 y - 2 y = 525 - 75
3 y = 450, y = 450 : 3 y = 150
x = 15 + y x = 15 + 150 x = 165
Answer: Aaron´s height is 165 cm and Peter´s height is 150 cm.
Numerical expressions use numbers and algebraic expressions use variables.
Answer:
x = 1
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask ÷)
Answer:9%
360,000 / 4000000=.09
.09x100= 9%
Qiestion:
Select all that are true.
A. 6.22 - 4 = 6.28
B. 14 - 0.02 = 0.12
C. 3.31 - 2.25 = 1.06
D. 5.48 - 4.96 = 0.52
E. 41.5 - 33.25 = 29.10
Answer:
C and D are the answer
