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shtirl [24]
3 years ago
13

What is the first step in solving this system of equations using elimination?

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
5 0

Answer:

C. Write the first equation in standard form.

Gennadij [26K]3 years ago
3 0
Mark me as brainliest and I will answer but
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The drama club sold 1500 tickets for the end-of-the-year performance. Admission prices were $12 for adults and $6 for students.
Zepler [3.9K]

The system of equations to determine the number of adult tickets, a, and the number of student tickets, s, the drama club sold is a + s = 1500; 12a + 6s = 16,200. 300 students attended the play.

<h3>Simultaneous equation</h3>

  • number of adult tickets = a
  • number of student tickets = s

The system of equation:

a + s = 1500

a + s = 150012a + 6s = 16,200

From equation (1)

a = 1500 - s

Substitute into (2)

12a + 6s = 16,200

12(1500 - s) + 6s = 16,200

18,000 - 12s + 6s = 16200

- 12s + 6s = 16200 - 18,000

-6s = -1800

s = -1800 / -6

s = 300

Substitute s = 300 into (1)

a + s = 1500

a + 300 = 1500

a = 1500 - 300

a = 1200

Therefore, there are 300 students and 1200 adults at the play respectively.

Learn more about simultaneous equation:

brainly.com/question/16863577

#SPJ1

8 0
2 years ago
Someone plzzz help! I need the answers and show my work..
pochemuha

I need a better picture then I could answer

7 0
3 years ago
Read 2 more answers
Select all the situations that can be represented by 1/2⋅5. * 1 point Diego lives 5 miles from school, and Elena lives 1/2 as fa
SpyIntel [72]

Answer:

  • Elena lives 2.5 miles away from school.
  • The total liters of water is 2.5 liters
  • He can cut 10 pieces of rope of length 1/2 meter
  • The fraction of her goal she ran is 1/10

Step-by-step explanation:

From the question,

  • Diego lives 5 miles from school, and Elena lives 1/2 as far away as Diego

Therefore, Elena lives 1/2 of 5 miles away from school.

1/2 of 5 miles = 2.5 miles

Hence, Elena lives 2.5 miles away from school.

  • Jada has 5 bottles that each contain 1/2 liter of water.

Since each bottle contain 1/2 liter of water, then

The total liters of water is (1/2 × 5) liters

1/2 × 5 = 2.5 liters

Hence, the total liters of water is 2.5 liters

  • Noah has 5 meters of rope

To determine how many pieces of rope of length 1/2 meter he can cut,

Number of pieces of rope of length 1/2 meter that can be cut is 5 meter ÷ 1/2 meter

5 meter ÷ 1/2 meter = 10

Hence, he can cut 10 pieces of rope of length 1/2 meter.

  • Lin's goal is to run 5 miles. She ran 1/2 mile.

To determine what fraction of her goal that is,

First, she ran 1/2 mile out of 5 miles.

The fraction of her goal she ran is 1/2 mile ÷ 5 miles

1/2 mile ÷ 5 miles = 1/10

Hence, the fraction of her goal she ran is 1/10.

8 0
4 years ago
5w - 15 = 25 what is w
7nadin3 [17]
Solve for "w" by adding 15 to both sides of the equation.
5w-15=25
5w=40
Next, divide both sides by 5 to get "w" by itself.
5w=40
W=8
4 0
4 years ago
Read 2 more answers
What is the estimate square root 65 to the nearest tenth
V125BC [204]
The square root of 65 is approximately 8.1
4 0
4 years ago
Read 2 more answers
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