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4 years ago

Algebra I: Quadratics

Mathematics

1 answer:

sertanlavr [38]4 years ago

3 0

The answer id 12 meters.divide -2x^2+20x+48 by 2 to get x alone and then umbrella

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There are 12 kids in this class including you. If every person shakes hands with every other person, how many handshakes will th

Monica [59]

Answer: 132 handshakes in total

Step-by-step explanation: 11x12 because one of them will be the one shaking hands with everyone else so he would have gotten 11 hands shaked so everyone would have gotten their hands shaked 11 times

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3 years ago

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What is the correct way to classify the figures shown below?

Natali [406]

They would be considered similar triangles.

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3 years ago

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An expression equivalent to 3n+2(1-4n)

Taya2010 [7]

A simplified equation would be 2-5n.

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3 years ago

125 times what equals 625

andreev551 [17]

Answer:

Step-by-step explanation:

So let's start with making an equation,

125 x A = 625 Note: A is just a variable for the missing number

125A / 125 = 625 / A

A = 5

So, the missing number is 5

If you have any questions, let me know in the comments section of this answer!

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2 years ago

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Select the system of linear inequalities whose solution is graphed. <br><br> Please help !!!!

GrogVix [38]

$\boxed{y\geq 3x-2, \ x+2y\leq 4}$

<h2>Explanation:</h2>

First of all, we need to know the equations of the given lines. According to the options the equations of the lines are:

1. First equation: Written in Slope-Intercept Form:

$y=3x-2$

2. Second equation: Written in Standard Form:

$x+2y=4$

According to the graph, both lines are dashed meaning both inequalities must include either ≥ or ≤. So let's taste a point on the coordinate system in order to know which option is satisfied:

Hence, let's take point (0, 0):

$y \ (?) \ 3x-2 \\ \\ 0 \ (?) \ 3(0)-2 \\ \\ 0 \ (?) \ -2 \\ \\ \\ So \ 0 \ is \ greater \ than \ -2: \\ \\ 0\geq 2 \\ \\ \\ \\ x+2y \ (?) \ 4 \\ \\ 0+2(0) \ (?) \ 4 \\ \\ 0 \ (?) \ 4 \\ \\ \\ So \ 0 \ is \ less \ than \ 4: \\ \\ 0\leq 4$

Therefore, the correct option is:

$\boxed{y\geq 3x-2, \ x+2y\leq 4}$

<h2>Learn more:</h2>

System of inequalities: brainly.com/question/12890742

#LearnWithBrainly

6 0

3 years ago