Answer:
m=5
Step-by-step explanation:
first you would add 10m to both sides giving you -15+4m=5, then you add 15 to both sides giving you 4m=20 then you divide by 4 on both sides giving you m=5
Step-by-step explanation:
1. 4/10 + 15/10
The two fractions have like denominators so you can add the numerators.
Then:
4+15/10=19/10
This fraction cannot be reduced.
The fraction
19/10
is the same as
19÷10
Convert to a mixed number using
long division for 19 ÷ 10 = 1R9, so
19/10=19/10
Therefore:
4/10+15/10=1 9/10
2. 50/20+60/20=5 1/2
3. 
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5.
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7.
8.
Answer:135 degrees
Step-by-step explanation: Because a octagon equals 1080 and since there are eight sides you divide it by 8 and get 135
Answer:
The answer is one
Step-by-step explanation:
-9/12= -.75
-7/4= -1.75