True or false when solving the inequality 10x + 22 less than 2 the second step should say 10x greater than -28 because i added -22 to both sides and i got a negative number on the right

False

Because the next step should say: 10x < -20

Why?

Look closely to the steps of the inequality and you will find that I am correct.

Our inequality is: 10x + 22 < 2

That means the next step will be subtracting 22 on both sides.

That will leave us with 10x < -20

Then we will ÷ 10 on both sides

And our answer will be x < -2

Did you notice what was wrong?

Write them below on the comments for this answer!

I hope this helped! :>

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15