2a+2b=10, a+b=5
a+b+d(diagonal)=8, 5+d=8, d=3(diagonal BD=3)
Answer:
B. 20h
B. n/2
A. y-3
A. 8t
hope this helps
have a good day :)
Step-by-step explanation:
A)

is false. There is no solution.
B)

is false. There is no solution.
C)

is
true. It has infinite solutions.
D)

is
true. It has infinite solutions.
E)

is false. There is no solution.
Answer:
(10,-2) x=10 y=-2
Step-by-step explanation: I used substitution
Answer:22:2x10x10x10x10x10x10x10x10x10x10... 23:3.4x10 divided by 2.... 24:1.5x10 divided by 9...... 25:5.9x10x10x10x10x10x10x10x10x10x10.... 26: 4.8 x 10 divided by 3..... 27: 6.25x10x10x10x10x10.
Step-by-step explanation:I divide because on some of them it's a negative power so instead of multiplying I'll divide. Hope this helps