Answer:
Step-by-step explanation:
step 1
Find the circumference of the wheel
The circumference of a circle is equal to
we have
substitute
assume
step 2
we have that
The speed of the car is 60 miles/hour
Convert the speed to inches/minute
step 3
Remember that
The circumference of the wheel subtends one revolution
so
Convert the speed to rev/min
Answer:
The value of x is -6
Step-by-step explanation:
Let us equate the fraction by its equivalent
∵ = -22
→ Multiply both sides by (x - 10) to cancel the denominator of the left side
∴ × (x - 10) = -22 × (x - 10)
∴ 352 = -22(x - 10)
→ Simplify the right side by multiplying -22 by the bracket (x - 10)
∵ 352 = -22(x) - 22(-10)
∴ 352 = -22x + 220
→ Add 22x to both sides
∵ 22x + 352 = -22x + 22x + 220
∴ 22x + 352 = 220
→ Subtract 352 from both sides
∴ 22x + 352 - 352 = 220 - 352
∴ 22x = - 132
→ Divide both sides by 22 to find x
∴
∴ x = -6
∴ The value of x is -6