Answer:
Yes, it is a solution
Step-by-step explanation:
9x+7y=-11
-2x-5y=30
substitute 5 for x and -8 for y and test:
9(5)+7(-8)=-11
45-56=-11 , this is true
-2(5)-5(-8)=30
-10+40=30 , this is true also
Answer:
9 units²
Step-by-step explanation:
we count the number of units for the length and Width.
Length = 3 units
Width = 3 units.
Area = 3 x 3 = 9 units²
Answer:
68%
Step-by-step explanation:
51/75 × 100% = 68%
no because the first five equals 5000
the second 5 equals 500
the third 5 equals 50
and the fourth 5 equals 5.
