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3 years ago

Help me answer this

Mathematics

1 answer:

kari74 [83]3 years ago

4 0

7 to 11 because you divide both sides by 3

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Which of the following represents a quadratic function?

Lubov Fominskaja [6]

<u>Answer:</u>

○ $y = 6 + 5x + x^2$

<u>Explanation:</u>

<h3>What is a quadratic equation?</h3>

A quadratic equation is an algebraic equation where the highest power of $x$ is 2. The general form of a quadratic equation is as follows:

$\boxed{ax^2 + bx + c = 0}$ ,

where <em>a</em>, <em>b</em>, and <em>c</em> represent known constants, and $x$ is the unknown.

In this question, if you take a look at the second option, you will see that it is possible to rearrange the equation to make it look the general form:

$y = 6 + 5x + x^2$

⇒ $y = x^2 + 5x + 6$

Therefore, this equation is quadratic.

The other three options are not quadratic equations because none of them have an $x^2$ term in them.

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2 years ago

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Find the GCF of 5y5 and 50y2.

GREYUIT [131]

Answer: $5y^2$

Step-by-step explanation:

Given

$5y^5\ \text{and}\ 50y^2$

GCF or HCF of the two is the highest common factor

$\Rightarrow 5y^5=5\times y^2\times y^3\\\Rightarrow 50y^2=5\times y^2\times 10$

It is clear GCF is $5y^2$

6 0

2 years ago

Solve the inequality.<br> |3x+7| <_ 4

n200080 [17]

Answer:

Using ∣x∣>a⇒x<−a or x>a, we get

∣3x−7∣>4⇒3x−7<−4 or 3x−7>4

⇒3x<3 or 3x>11⇒x<1 or x>

⇒x∈(−∞,1)∪(

,∞).

3 0

2 years ago

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If -48 equals 6(a) then a is what<br>

Oksi-84 [34.3K]

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

<em>Expression:</em>

$\frac{-48}{6}=\frac{6}{6}a$

$-8 = a$

Your answer is -8.

I hope this helps!

8 0

3 years ago

What is 9 times 2.75

goldfiish [28.3K]

9 times 2.75 equals 24.75

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3 years ago

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