I need help someone please it’s due in 35 minutes

Mathematics

1 answer:

Yakvenalex [24]4 years ago

7 0

Answer:

< 27

I hope this helps!

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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

Which of the following cannot be rewritten in the form f(x) = ax where "a" is a rational number?

MaRussiya [10]

A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. The number 8 is a rational number<span> because it can be written as the fraction 8/1.

I hope my answer has come to your help. God bless and have a nice day ahead!
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6 0

3 years ago

What is the slope of the line that goes through the points (-4,2) and (8,5)

devlian [24]

Answer:

y=1/4x+3

Step-by-step explanation:

5 0

3 years ago

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-3/5b+7+2/5b=19 please answer

ikadub [295]

Step-by-step explanation:

here your answer

above photo is your answer

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2 years ago

Al can wash a car in 60 minutes, and bill can wash a car in 30 minutes. cathy can wash a car in 20 minutes. how long, in minutes

choli [55]

B) 36

To figure this out you need to average the numbers. To average them you add them all up and divide by how many are there.
(60+30+20)/3
(90+20)/3
110/3
36

3 0

4 years ago