2+4z-18
change it so it's an equation
2+4z-18=0
then get 4z alone on one side by subtracting 4z from both sides
2-18=-4z
-16= -4z
divide both sides by -4
a negative divided by a negative becomes positive
4 =z
plug it in
2+4(4)-18
4x4 is 16
2+16-18=0
0=0
the same can be done for the second one 2+k-8
make it 2+k-8=0
move the k to get it alone so subtract k from both sides
2-8=-1k
-6 = -1K
you can divide by K to make K=6
plug in 2+6-8=0
0=0
Answer:
3
Step-by-step explanation:
- the books are 9.25 each
- multiply that by three
- 27.75 is your answer
1. If AB is tangent to the circle, then
We have
so AB is indeed tangent to the circle.
2. The unlabeled leg is another radius of the circle so it has length 8. Then if AB is tangent to the circle,
but we have
so that cannot be a right triangle and AB is not tangent to the circle.
Answer:
80.83722
Step-by-step explanation:
−5.47753
/0.06776
=−80.83722
x-80.83722
+80.83722 on both
x=80.83722
