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3 years ago

How to solve for x on a quadratic function

1 answer:

7 0

To find the x-intercepts of any equation, substitute 0 in for y and solve for x. So, we have 0 = 3x2+ x + 1. Now, use the quadratic equation to solve for x, wich a = 3, b = 1, and c = 1: So, now we can find the value of the x-intercepts and not have to estimate!

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-5 < x - 4 greater than it equal 1

saul85 [17]

We have expression $-5 < x - 4 \geq 1$ that renders the system of inequalities,

$\begin{cases}-5 < x - 4 \\x - 4 \geq 1\end{cases}$

Which can be simplified to,

$\begin{cases}x > -1 \\x \geq 5\end{cases}$

So what we get is something greater than -1 and at the same time greater or equal to 5, so the solution is,

$x\in(\infty,-1)\cap(\infty, 5]=\boxed{(\infty,5]}$ .

Hope this helps.

6 0

3 years ago

Concerns about climate change and CO2 reduction have initiated the commercial production of blends of biodiesel (e.g., from rene

Nat2105 [25]

3 is the correct answer

5 0

4 years ago

60>5(6-2x) ok help me so I can get an answer

Dima020 [189]

Inequalities are used to represent unequal expressions

The solution to the inequality is: $x > -3$

<h3>How to determine the inequality solution</h3>

The inequality is given as:

60>5(6-2x)

Rewrite the inequality properly as:

$60>5(6-2x)$

Divide both sides of the inequality by 5

$12>6-2x$

Subtract 6 from both sides of the inequality

$6>-2x$

Divide both sides of the inequality by -2

$-3Rewrite the inequality as[tex]x > -3$

Hence, the solution to the inequality is: $x > -3$

Read more about inequalities at:

brainly.com/question/11234618

5 0

2 years ago

Veronika works at Future Shop and earns $10.50/h plus 3% commission on sales. Last week Veronika worked 40 hours. What was Veron

son4ous [18]

Answer:

$510

Step-by-step explanation:

The first thing you would do is multiply 3000 by .03 which would give you 90, then you would multiply her number of hours worked, 40, by how much she gets paid per hour, 10.50 which will give you 420 then you would just add 90 to 420 and get a total of $510. Veronika's weekly gross salary is $510.

6 0

3 years ago

Can 2/8 be simplified?

Vikki [24]

Answer:

yes it can. the answer is 1/4

Step-by-step explanation:

2 divide by two is 1 2 divided by 8 = 4

3 0

3 years ago

Read 2 more answers