Answer:
18 questions
Step-by-step explanation:
22 questions=55%
??? questions=45%
now what about this:
2 questions=5%
I just simplified the first equation
now 5%*???=45%
5*9=45
then we do the same thing to the other side
2*9 questions=45%
18 questions are left on the survey
Answer:
x = -14
Step-by-step explanation:
= -7
multiply 2 on both sides
the 2's cancel out on the fraction side, leaving x = -7(2)
multiply -7 and 2 to get -14
x = -14
Answer:
a
Step-by-step explanation:
because I have did this at school
Answer:
k = 3
Step-by-step explanation:
We have the distance formula:
. We can plug in
= d, x2 = 6, x1=2, y2 = 7, y1 = k.
Then, we can solve the question using some algebra to find that k = 3.
Edit: Here is a step by step:








