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denis23 [38]
3 years ago
12

Which answer shows y+2<4x-3, rewritten to isolate y, and it’s graph?

Mathematics
2 answers:
aev [14]3 years ago
6 0

Answer:

Step-by-step explanation:

The given inequality is y + 2 < 4x - 3

We have to rewrite the inequality to isolate y.

y + 2 < 4x - 3

(y + 2) - 2 < (4x - 3) - 2

y < 4x - 3

Now we will graph dotted line.

By plugging in the y = 4x - 3

we can get the different set of area representing right side of the dotted line will represent the inequality in the figure attached.

Natasha_Volkova [10]3 years ago
4 0
To isolate y, subtract 2.
   y < 4x - 5

The graph will be a dashed line y = 4x - 5 with the area below the line shaded.

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Which pair of ratios is equivalent?
sweet-ann [11.9K]

Answer:

The answer is option A.

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3 years ago
PLs help 50 PTS!!!!! PLEASE ILL GIVE BRAINLIEST!!!!!
Nookie1986 [14]

Answer:

\large\boxed{y=\dfrac{1}{4}x^2-x-4}

Step-by-step explanation:

The equation of a parabola in vertex form:

y=a(x-h)^2+k

<em>(h, k)</em><em> - vertex</em>

The focus is

\left(h,\ k+\dfrac{1}{4a}\right)

We have the vertex (2, -5) and the focus (2, -4).

Calculate the value of <em>a</em> using k+\dfrac{1}{4a}

<em>k = -5</em>

-5+\dfrac{1}{4a}=-4        <em>add 5 to both sides</em>

\dfrac{1}{4a}=1           <em>multiply both sides by 4</em>

4\!\!\!\!\diagup^1\cdot\dfrac{1}{4\!\!\!\!\diagup_1a}=4

\dfrac{1}{a}=4\to a=\dfrac{1}{4}

Substitute

a=\dfrac{1}{4},\ h=2,\ k=-5

to the vertex form of an equation of a parabola:

y=\dfrac{1}{4}(x-2)^2-5

The standard form:

y=ax^2+bx+c

Convert using

(a-b)^2=a^2-2ab+b^2

y=\dfrac{1}{4}(x^2-2(x)(2)+2^2)-5\\\\y=\dfrac{1}{4}(x^2-4x+4)-5

<em>use the distributive property: a(b+c)=ab+ac</em>

y=\left(\dfrac{1}{4}\right)(x^2)+\left(\dfrac{1}{4}\right)(-4x)+\left(\dfrac{1}{4}\right)(4)-5\\\\y=\dfrac{1}{4}x^2-x+1-5\\\\y=\dfrac{1}{4}x^2-x-4

3 0
3 years ago
Solve 2/3 = x/18 SOMEONE PLS HELP
Mademuasel [1]

Answer:

x = 12

Step-by-step explanation:

what you have to do is cross multiply::

3x = 36

and then single the x out

x = 12

4 0
2 years ago
Best answer gets brainliest!
nikitadnepr [17]

Answer: <u>Best answer gets brainliest!</u>

<h2>90+120= 210</h2>

Step-by-step explanation:

<u>Add the amount of students together!</u>

Hopefully this helps you!

-Keira

4 0
2 years ago
Read 2 more answers
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