$\displaystyle\it\\\text{We have the equation: }\\\\ax^2+bx+c=0\\\\\text{We find the roots:}\\\\x_{12}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x_{1}=\frac{-b+\sqrt{b^2-4ac}}{2a}\\\\x_{2}=\frac{-b-\sqrt{b^2-4ac}}{2a}\\\\\text{If } b^2-4ac>0 \text{ then }x_1, x_2\in~R\\\\\text{If } b^2-4ac=0 \text{ then }x_1=x_2\in~R\\\\\text{If } b^2-4ac$

3 0

3 years ago

Approximately 10% of all people are left-handed. Consider a grouping of fifteen people.

Wewaii [24]

Answer:

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Mrs. Yin bought 0.81 of a pound of turkey and 0.69 of a pound of chicken. Did Mrs. Yin buy more turkey or more chicken? Show how

S_A_V [24]

Mrs. Yin bought more turkey than chicken. I know because 0.80 is greater than 0.69

5 0

3 years ago

X-4x-32=0, explain the steps of answering it

zzz [600]

First step: combine the x terms, x - 4x = -3x.

Second step: Add 32 to both sides, which will cancel out the -32.

Now you have -3x = 32.

To solve for x, divide 32 by -3. The answer is -10.667.

7 0

3 years ago