Answer:
z = - 1
Step-by-step explanation:
Given
- 18 = 9z - 9 ( add 9 to both sides )
- 9 = 9z ( divide both sides by 9 )
- 1 = z
Answer:16
Step-by-step explanation: x is an even number. x+2 is the next even number, x+4 is the third even number in the set, x+6 is the fourth, x+8 is the fifth. x+x+2+x+4+x+6+x+8=100. So 5x+20=100. 100-20=5x+20-20. 80=5x. x=16.
we know that
so
by proportion
Find how many millimeters are in 
meters
therefore
<u>the answer is</u>
Answer:
Step-by-step explanation:
<u>Work out how much Claire earns in one hour:</u>
<u>After 40 hours she earns:</u>
Where are the expressions you mention?
The given expression 4(3n+2) is equivalent to 12n+8. Either expression gives us the perimeter of the square.
