We know that he takes 10 quizzes per 2 weeks
That means we need to add 10+10+10+10=40 quizzes and 2+2+2+2=8 weeks
But were not done! Half of 10 = 5 so that means it will take 1 week to take 5 quizzes
8+1=9
It will take him 9 weeks to take 45 quizzes
Hope this helped!
Answer:
47.72%
Step-by-step explanation:
Given
Mean (u) = 15
SD = 4
P(15<x<23) =
=
=P(0<z< 2)
=P(z<2) - P(z<0)
Use standard normal table to find probability of the z score
= 0.9772 - 0.5
= 0.4772 47.72%
Answer: 54 cubic units
Step-by-step explanation:
I did it on khan academy and I got it right
Answer:
y > -x -3
Step-by-step explanation:
The graph is shaded <em>above</em> the <em>dashed</em> line, indicating y-values in the solution are greater than those on the line, so your inequality will start with ...
y >
The y-intercept of the line is (0, -3), so the "b" value in ...
y > mx +b
will be -3.
The line has a rise of -3 for a run of 3 (between the marked points), so the slope is ...
m = rise/run = -3/3 = -1
Then the inequality you want is ...
y > -x -3
Step-by-step explanation:
from,
f (x) = 2x-2+5
BUT x=-2
f (x) = 2 (-2)-2+5
= -4-2+5
= -6+5
= -1
so,
f (x) = -1