Answer:
The correct answer is B
Step-by-step explanation:
In this problem, Solution A isnt possible because if he washes 10 cars he earns $80 so that should be in the domain
Solution B is the correct one because it collects all the possible numbers of the equation, from 0 car washed=$0 to 10 car washed=$80(1 by 1)
The problem with solution c is the same as solution A
Finally, Solution D has an small problem, and that is that if he washes 10 cars the amount he gains is $80 so x cant be <$80, it should have been ≤$80
Answer:
shorter side = 7 in
longer side = 12 in
Step-by-step explanation:
Let w = width
then w + 5 = length
The perimeter of the rectangle = 2 widths + 2 lengths.
So, w + w + w + 5 + w + 5 = 38 or 2w +2(w + 5) = 38 are two ways to write the equation to solve the problem.
Now 4w + 10 = 38
4w = 28
w = 7
w + 5 = 7 + 5 = 12
shorter side = 7 in
longer side = 12 in
Check: 7 + 7 + 12 + 12 = 38 = perimeter
Answer:
Hate to say it but if there is 2 people per square table and there are 8 tables in a row it would seat 16 people
Step-by-step explanation:
8 x 2 = 16
SRY :(
Answer:
72%
Step-by-step explanation:
Start by turning both percentages into decimals. To do this take the percent and divide it by 100. So, 60% = 60/100 or .6 and 80% = 80/100 or .8.
Next the student has already completed 20 quizzes. So, 50-20=30 remaining quizzes.
Quizzes already taken:
= 12 passed quizzes.
The remaining quizzes for the school year:
= 24 quizzes
So, Finally add them both together and divide by the total amount of quizzes:
12+24
= 36 passed quizzes
=.72
Now to convert it back into a fraction you multiply the decimal by 100.
= 72%
If you want to evaluate it, -4q-(-8q)+10 is changed to -4q+8q+10 (two negatives equal positive). Next, -4q+8q is 4q (since the bigger number is positive 8q, you subtract and get 4q). Finally, your answer is 4q+10. Hope this helps! :)
