Number of miles traveled by light in a light-year is 5.952 × 10^12 miles
Step-by-step explanation:
- Step 1: Find the number of miles (distance) in a light year by using the formula for speed = Distance/Time
⇒ Distance = Speed × Time
= 1.86 × 10^5 × 1 yr (convert to seconds)
= 1.86 × 10^5 × 365 days × 24 hrs × 60 mins × 60 sec
= 1.86 × 10^5 × 31,536 × 10³
= 1.86 × 3.2 × 10^5 × 10^7
= 5.952 × 10^12 miles
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The independent variable (the one they want) is the # of hours worked, since that determines the price.
All the other answers contain information not included in the problem
Isolate x.
24x = 48 - 2y
Divide by 24.
x = 2 - y/12
F(6) says “take f(x) = -4x + 11 and put 6 in for every x-value and then clean it up.”
f(6) = -4(6) + 11
= -24 + 11
= -13
f(x) = -1 says “set your function equal to -1 and solve for x”
f(x) = -1
-4x+11 = -1
-4x = -12
x = 3
So f(3) = -1.
