Answer:
The answer is D 5 hours a day
Step-by-step explanation:
All you need to do to find the rate of change is you divide the hours of sleep by the number of days or divide the right number by the left like this 15/3 = 5
Answer:
3x+38
Step-by-step explanation:
1. (10x2 +5x-3)+(7x2 -2x+7) : rewrite problem
2. (20+5x-3)+(14-2x+7) : PEMDAS (10x2=20 and 7x2=14)
3. (5x+17)+(-2x+21) : PEMDAS (20-3=17 and 14+7=21)
4. 3x+38 : Combine like terms
"The quotient of a number and 3 less than twice the number" would translate to the expression x/(2x-3)
Basically we have x up top the fraction and 2x-3 in the bottom denominator of the fraction. The slash / means divide
Answer: they are parallel
Step-by-step explanation:
If A is your age:
400 - 2A = 244
2A = 400 - 244
2A = 156
A = 78