Answer:
- 15x² + 7x + 1
Step-by-step explanation:
Given
2x² - 9 - 17x² + 10 + 7x ← collect like terms
= (2x² - 17x² ) + 7x + 1
= - 15x² + 7x + 1
Answer:
z=16
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
−7(z−6)=−70
(−7)(z)+(−7)(−6)=−70(Distribute)
−7z+42=−70
Step 2: Subtract 42 from both sides.
−7z+42−42=−70−42
−7z=−112
Step 3: Divide both sides by -7.
−7z
/−7
=
−112
/−7
z=16
Answer:
$88.65
Step-by-step explanation:
To find the amount of total tips, multiply 3,546.12 by 0.15 (the decimal conversion of 15%).
3546.12(0.15) = 531.918
This is the total amount of tips for the night. This is divided evenly between 6 waitresses.
531.918 / 6 = 88.65
There are 20 ten thousands