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Gnoma [55]
3 years ago
10

Find two consecutive even integers whose sum is -50. Which of the following equations could be used to solve the problem? A) 2 x

+ 2 = -50 B) 2 x = -50 C) 2 x + 1 = -50 D) x^2 + 1= -50
Mathematics
2 answers:
givi [52]3 years ago
7 0

Answer:

2x+2=-50

Step-by-step explanation:

x+2=y\\x+y=-50\\x+x+2=-50\\2x+2=-50

The equation that can be used to find out x and y is 2x+2=-50

Kipish [7]3 years ago
4 0

Answer:

\mathrm{A}

Step-by-step explanation:

Two consecutive even integers.

The first integer is even and can be as x

The second integer is also even and can be as x+2

Their sum is -50

x+x+2=-50

2x+2=-50

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CaHeK987 [17]

<u>Let's take this problem step-by-step</u>:

<u>Let's first set up some variables</u>:

  • c: # of children
  • a: # of adults

<u>Let's examine the information given:</u>

  • Elevator can hold a maximum of 1500 pounds

          ⇒ average child is 75 pounds

          ⇒ average adult is 150 pounds

                 ⇒<em> therefore</em>: 75c + 150a\leq 1500

  • Elevator can fit no more than 14 people

          ⇒ <em>therefore</em>: c + a \leq 14

<u>Let's graph the equations</u>:

 75c+150a\leq 1500\\c+a\leq 14

    ⇒ look at the image attached

<u>The point at which the two graphs intersect:</u>

  ⇒ <em>is the solution that represents the amount of children and adults and </em>

<em>       their combine weight</em>

<em />

<u><em>With the horizontal axis being the # of children and vertical axis being the # of adults</em></u><em>:</em>

<em>  ⇒ the </em><em>solution is 8 children and 6 adults</em>

<em></em>

<u>Answer: 8 children and 6 adults</u>

<u></u>

Hope that helped!

<em />

               

7 0
1 year ago
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valentinak56 [21]
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Answer:

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3 years ago
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Answer:

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Step-by-step explanation:

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