Answer:
80 questions.
Step-by-step explanation:
If 20% = 16 Q,
then 100 ÷ 20 = 5
Therefore, 5 x 16 = 80 questions on the test.
Answer:
Mixed number: -12 2/15
Improper fraction: -182/15
Step-by-step explanation:
2 4/5 x -5 2/3
First, change into improper fractions
14/5 x -13/3
= -182/15
= -12 2/15
Hope this helps
Answer:
{12,15}
Step-by-step explanation:
Given the function f(x) = x+5, if the range of the function is {7,9}, the domain of the function is derived by simply finding the value of the function at each end point.
At endpoint x = 7,
f(7) = 7+5
f(7) = 12
At endpoint x = 9
f(9) = 9+5
f(9) = 14.
The function domain is therefore at {12,14}