Answer:
q=35
Step-by-step explanation:
x2 - 12x + q = 0
Let the two roots be r and r+2.
Factor the quadratic expression:
(x - r)[x - (r + 2)] = 0
Expand, simplify, group like terms, and get
x2 - 2(r + 1)x + r(r + 2) = 0
Compare to
x2 - 12x + q = 0
and set equal the coefficients of like terms:
Coefficient of x:
-2(r + 1) = -12 ⇒ r + 1 = 6 ⇒ r = 5
(Then the other root is r + 2 = 5 + 2 = 7)
Constant term:
r(r + 2) = q ⇒ 5(5 + 2) = q
q = 35
Test the solution:
(x - 5)(x - 7) = x2 - 12x + 35
With two roots differing by 2, you get an equation of the form
x2 - 12x + q = 0
with q = 35.
Answer:
409 i would say
Step-by-step explanation:
very sorry is its wrong!!! :(
Answer:
They wanted things done a certain way.
Step-by-step explanation:
When you imagine something in your head you think of it and when it actually happens you want it to be just like you imagined it. In order to have it just the way that you want it you have to have rules so that it would stay just as you wanted it. If something were messed up or done wrong while farming that could cause a time where they go with out and there could be hard time where some people go without food if even one little thing is done wrong.
Part A) you sub .3 B is answer
Part b) 23.4-.3=23.1 and 23.1-.3 is 22.8 B is answer
Your welcome!
<u>G I V E N</u>
Speed of driver = 5 miles/hours
Distance to be covered = 62.8 miles
<u />
<u>F O R M U L A ~ U S E D</u>
Speed = Distance/Time
<u>S O L U T I O N </u>
Time = Distance/Speed
= 62.8 miles / 5 miles / hour
= 12.56 hours
It will take 12.56 hours to cover 62.8 miles, if the driver is moving
with 5 miles/hours
