2n+9+5n=30 combine like terms on left side
7n+9=30 subtract 9 from both sides
7n=21 divide both sides by 7
n=3
Answer:
its 5
Step-by-step explanation:
cause 2 divided by 30is 15 minus 10 its 5
Answer:
D. The value of the hundreds digit is 10,000 times the value of the hundredths digit.
Step-by-step explanation:
all of the other options are incorrect
0.01 x 10,000 = 100
area of a triangle = 1/2 base x height
56.4 = 1/2 x 12 x height
56.4 = 6 x height
height = 56.4 /6 = 9.4cm
