If the scale is 2 inches: 5 yards, then 6 inches would be 15 yards.
Using theorem about secant segments we can write,
AB*AH=AG*AC
AC=4,
CG=6
AG=AC+CG=4+6=10
AH=3
AB= AH+HB=AH+x=3+x
(3+x)*3=10*4
9+3x=40
3x=40-9
3x=31
x=31/3≈10.3
HB≈10.3
EG=HB/2 (as radius and diameter)
EG=10.3/2≈5.2
Answer:
197.34
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
<em>x</em> = -75.9
<em>y</em> = 2.6
-xy
<u>Step 2: Evaluate</u>
- Substitute in variables: -(-75.9)(2.6)
- Multiply: (75.9)(2.6)
- Multiply: 197.34
Samuel would need to score a minimum of 96 on his 4th exam
