Answer:
Step-by-step explanation:
200 = 100%
80 = x%
200x = 8000
x = 40% (percentage increase)
400 = 200%
100 = 50%
500 = 200% + 50%
500 = 250% (the other percentage increase)
Answer:
Y=150
Step-by-step explanation:
Answer:
The slope is undefined.
Step-by-step explanation:
The line must pass through the points (10,-3) and (10,-8), meaning that it must be vertical. The slope of a line is undefined if the line is vertical.
Answer:
Step-by-step explanation:
complex zeros always occur in pairs.
so zeros are -3,4-i,4+i
so fourth zero also intersects x-axis.
Hence there are two x-intercepts only.
Answer:
19
Step-by-step explanation:
4 + [(16 - 4) + (12 -9)]
Using PEMDAS, first solve the parentheses.
16-4 is 12 and 12-9 is 3
Rewrite the expression
4+(12+3)
12+3 is 15
4+15
19.