Solve for the unknown:
2z - (z-1) = 5z - 15
2 answers:
Answer:
z=4
Step-by-step explanation:
You would distribute the negative sign outside of the parentheses and get:
2z-z+1=5z-15
Then combine like terms and get:
z+1=5z-15
Subtract 5z from both sides:
-4z+1=-15
Subtract 1 from both sides:
-4z=-16
Then divide both sides by -4:
z=4
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The percent error is -2.7%
Answer: 3
<u>Step-by-step explanation:</u>
<u>Wins</u> <u>Losses</u> <u>Pattern</u>
18 2 18 ÷ 2 = 9
45 5 45 ÷ 5 = 9
36 4 36 ÷ 4 = 9
27 x
Using the same pattern we have
27 ÷ x = 9
→ x = 3
Answer:
9 fluid ounces of sparkling soda.
Step-by-step explanation:
The ratio is 1 to 8 so:
72 / 8 = 9
