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mr Goodwill [35]
3 years ago
14

Which BEST describes the system of equations? y = 1 2 x − 2 y = 8x + 4

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
8 0

the best system of equations is

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HELP!! I need to do this today (Show steps) first answer gets BRAINLY
ELEN [110]

Answer:

A. 7.50 per box

Step-by-step explanation:

We know that when there are 4 boxes, we make 30 dollars. Divide 4 from 30 to get 30/4 which is equal to 7.5. This means we make 7.5 dollars per box.

If this helps please mark as brainliest

6 0
3 years ago
Here are the steps Tyler took to solve the equation.
Finger [1]

<em>Algebraic expressions</em> include both <u>alphabet </u>and <u>number</u> so that the value of the <u>alphabet</u> is to be <em>determined</em>. Thus the steps taken by Tyler are correct if x = 22.

ii. Tyler made no mistake.

<em>Algebraic expressions</em> include both <u>alphabet</u> and <u>number</u> so that the <em>value</em> of the <u>alphabet</u> is to be determined. The <u>value</u> of the <u>alphabet</u> in the <em>expression</em> would be determined by applying <em>mathematical operations</em> appropriately.

To solve the <u>question</u> given to Tyler, we have:

\sqrt{x + 3} = -5

<u>square</u> both <em>sides</em> of the equation to have;

(x + 3) = (-5)^{2}

x + 3 = 25

collect <em>like terms</em> to get;

x = 25 - 3

  = 22

x = 22

1. Thus the equation is true if x = 22.

2. <u>Tyler</u> did not make any <u>mistake</u> in solving for x.

For more clarifications on algebraic expressions, visit: brainly.com/question/4344214

#SPJ 1

3 0
2 years ago
<img src="https://tex.z-dn.net/?f=3x%20-%20%285x%20-%209%29%20%3D%207%20-%204%28x%20%2B%201%29" id="TexFormula1" title="3x - (5x
Montano1993 [528]

3x-(5x-9)=7-4(x+1)\\\\3x-5x+9=7-4x-4\\\\-2x+9=-4x+3\ \ \ \ |-9\\\\-2x=-4x-6\ \ \ \ |+4x\\\\2x=-6\ \ \ \ |:2\\\\x=-3

8 0
4 years ago
What is the polynomial of f(x) of a degree of 3 that has the following zeros?
makvit [3.9K]

Answer:

Id

Step-by-step explanation:

8 0
3 years ago
18. Naruto practices his harmonica 1/4 hour, spends 2/3 hour working on
Evgesh-ka [11]

Answer:

2

Step-by-step explanation:

If he uses 1 hour to practice harmonica, one our on homework, and another hour doing chores. He will be spending twice as much time practicing harmonica and doing homework than he would spend on chores.

4 0
4 years ago
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