Answer:
Sam owes 4 friends $5
Step-by-step explanation:
We can set up the equation
23 = 5x + 3
Subtract the 3 from both sides
20 = 5x
x = 4 friends
Answer:
10
Step-by-step explanation:
M = 4
Because the base of log is 10
10,000 is 10*4, and we know that log 10,000 =4, so M=4
Answer:
11
Step-by-step explanation:
18 1/2 + (-7 4/8)
Simplify the fraction
18 1/2 + (-7 1/2)
Subtract the whole numbers
18-7 = 11
Subtract the fractions
1/2 -1/2 =0
Your answer would be -11/2 and a alternate form would be -5 1/2 or -5.5