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victus00 [196]
3 years ago
11

What's the system of linear equations by the solution graphed below

Mathematics
2 answers:
AfilCa [17]3 years ago
8 0
D should be the correct answer. <span>Hope this helps! Brainliest would be appreciated!</span>
bija089 [108]3 years ago
7 0
<h2>Answer:</h2>

The system of linear equation that is graphed is:

  Option: A

         A.   y > -1 and   y ≤ -x

<h2>Step-by-step explanation:</h2>
  • By looking at the graph we observe that the first inequality:

Is a strict inequality (since the graph is a dotted line which passes through (0,-1) and is a horizontal line parallel to the x-axis )

Also, the shaded region is above the line i.e. towards the origin.

This means that the line passes the zero point test.

Hence, the inequality which satisfies this condition is:

                                 y > -1

  • Also, the graph of the second inequality:

Is a solid line (i.e. the inequality is not strict) and the line satisfies the relation y= -x and the shaded region lie below the line i.e. the inequality is given by:

                                       y ≤ -x

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The perimeter of a trapezoid is 39a – 7. Three sides have the following lengths: 9a, 5a + 1, and 17a – 6. What is the length of
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7 0
3 years ago
Brianna and Ava go to the movie theater and purchase refreshments for their friends. Brianna spends a total of $39.00 on 2 bags
kirill [66]

Answer:

2p + 2d = 39 ____________(1)

8p + 10d = 174.50 _________(2)

Price of one drink is $9.25

Step-by-step explanation:

Let the price of a bag of popcorn be p.

Let the price of a drink be d.

Brianna spends a total of $39.00 on 2 bags of popcorn and 2 drinks. This implies that:

2p + 2d = 39 ____________(1)

Ava spends a total of $174.50 on 8 bags of popcorn and 10 drinks. This implies that:

8p + 10d = 174.50 _________(2)

We now have two system of equations which we can use to find the price of a bag of popcorn and drink:

2p + 2d = 39 ____________(1)

8p + 10d = 174.50 _________(2)

Multiply (1) by 4 subtract from (2):

 8p + 10d = 174.50 _______(2)

-<u> 8p + 8d = 156  </u>  __________(1)

        2d = 18.50

=>       d = $9.25

The price of one drink is $9.25

8 0
3 years ago
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