I think i know how to solve it but i would take a couple of minutes
Answer:
( x+2)( x-3)=0
b ÷ (-2) = 18
Step-by-step explanation:
Answer:
Since the equation is to the power of 4, the negative sign to the power of 4 will give a positive sign.
Let the number of times she turns the pedal in one mile be x.
Given that her rear miles turns 875 times in one mile and the ratio of pedal turns to rear wheel turns is 4 to 7, then

Therefore, she turns the pedal 500 times in one mile.
Answer:
2560000
Step-by-step explanation:
2.56 x 10⁶
Since the exponent is positive 6, you can "move" the decimal place 6 times to the right.
Put in a bunch of 0's so you don't get lost:
2.56000000000000
Move 6 over -->>
2560000