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3 years ago

Can somebody give me the answer to this question please

Mathematics

2 answers:

Alex3 years ago

6 0

the answer is either A or B, probably C, maybe D. I know it's one of those

Anastaziya [24]3 years ago

3 0

Answer:

I'm kinda thinking it's D Maybe i'm wrong about that

Step-by-step explanation:

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Can someone please tell me what I'm doing wrong? I think I know how to do quadratic formula, and I know all the steps, but the l

Nata [24]

Okay, so first you set equal to 0:
$6-6x^{2}=3x\\-6x^{2}-3x+6=0$

Next simplify the equation so that the leading coefficient is positive:
$\frac{-6x^{2}-3x+6}{-3}=\frac{0}{3}\\2x^{2}+x-2=0$

Looking at the quadratic equation you can't easily simplify it, so plug it into the quadratic equation and simplify:
$x=\frac{-b\ -+\ \sqrt{b^{2}-4ac}}{2a}\\\\x=\frac{-(1)\ -+\ \sqrt{(1)^{2}-4(2)(-2)}}{2(2)}\\\\x=\frac{-1\ -+\ \sqrt{1+16}}{4}\\\\x=\frac{-1\ -+\ \sqrt{17}}{4}*\frac{-1}{-1}\\\\x=\frac{1\ -+\ \sqrt{17}}{-4},\ or\ B.$

I noticed a couple mistakes in your work, so if you want me to I can explain them in the comments section :)

5 0

3 years ago

Read 2 more answers

Can y’all please help me ……

Goryan [66]

Answer:

Step-by-step explanation:

( 8 ). m∠1 = m∠ 4 = m∠ 5 = m∠6 = 52°

( 9 ). m∠ 2 = m∠ 3 = m∠ 7 = m∠ 8 = 180° - 52° = 128°

5 0

2 years ago

True or false: f(x) is a function. 4 8 1 12 f(x)

Anestetic [448]

True, they all have different values !

4 0

3 years ago

4. Solve -3 = -2x + 1 by graphing. Helpppppp

QveST [7]

Answer:

x=2

Step-by-step explanation:

-3 = -2x +1

+3 +2x = +2x +3

2x=4

divide them both by 2

x=2

3 0

3 years ago

The price of cupcakes is $7 more than the price of a cake, which is d dollars.what does the expression d+7 represent?

bixtya [17]

Answer:

The price of the cupcakes

Step-by-step explanation:

The expression represents the price of the cupcakes. D represents the dollar amount. If you were to do d-7 then you would get the price of the cake but since it's d+7 it would be the cupcakes

4 0

3 years ago