Answer:
I'm sorry pls retake the pic really quickly.. I can't see the entire problem!
Then I'll add my answer if I can! Thx!
Answer:
29 minutes
Step-by-step explanation:
Raymond's total charge is the sum of the entrance fee and the per-minute charge for the number of minutes he used the trampoline:
total charge = entrance fee + (per minute charge) × t
43.25 = 7.00 + 1.25t . . . . . filling in the given numbers
36.25 = 1.25t . . . . . . . . . . . subtract 7
t = 36.25/1.25 = 29 . . . . . . divide by the coefficient of t
Raymond was on the trampoline for 29 minutes.
Answer:
f(-9) = 243
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
f(x) = 4x² + 7x - 18
f(-9) is x = -9
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: f(-9) = 4(-9)² + 7(-9) - 18
- Evaluate Exponents: f(-9) = 4(81) + 7(-9) - 18
- Multiply: f(-9) = 324 - 63 - 18
- Subtract: f(-9) = 261 - 18
- Subtract: f(-9) = 243
Answer:
8 dollars
Step-by-step explanation:
20/100 = x/10
100x=20
x=2
You save two dollars
10-2 = 8
$8