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sdas [7]
3 years ago
13

I don’t know what to put

Mathematics
1 answer:
Paul [167]3 years ago
3 0

Answer:

The two angles create a linear pair which equals 180 degrees. . First you should set up the equations as 2x+68=180 and solve. X will equal 56. To prove the equation is correct you will plug the 56 in for x which would give the equation 2(56)+68=180 which ends up being 180=180 which proves the equation correct.

Step-by-step explanation:


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Wewaii [24]
Opposite of 5.4 is -5.4
8 0
2 years ago
What is the solution to this system of equations? 4x + 5y = 7 3x – 2y = –12
Varvara68 [4.7K]

The answer is (-2,3)

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5 0
2 years ago
Read 2 more answers
Find the sum of the first four terms of the geometric series 100 + 50 + 25 + ...
elixir [45]

Answer:

<em><u>Decimal</u></em><em><u>:</u></em>

100 + 50 + 25 + 12.5 + 6.25 + 3.125 + 1.5625

<u><em>Fraction</em></u><u><em>:</em></u>

100 +50+25 + 12\frac{1}{2}+6\frac{1}{4}+3\frac{1}{8}+1\frac{9}{16}

3 0
3 years ago
At the ritz concert tickets for adults cost $6 and tickets for students cost $4. How many of each ticket were purchased if 480 t
Anni [7]

Answer: the number of adult tickets is 210

The number if student tickets is 270

Step-by-step explanation:

Let x represent the number of adult tickets that were purchased.

Let y represent the number of student tickets that were purchased.

At the ritz, concert tickets for adults cost $6 and tickets for students cost $4. If the cost of total tickets purchased is $2340, then,

6x + 4y = 2340 - - - - - - - -1

Total number of tickets purchased is 480. This means that

x + y = 480

x = 480 - y

Substituting x = 480 - y into equation 1, it becomes

6(480 - y) + 4y = 2340

2880 - 6y + 4y = 2340

- 6y + 4y = 2340 - 2880

-2y = - 540

y = - 540/-2 = 270

x = 480 - 270

x = 210

4 0
2 years ago
How do you solve 3 3/4a+3+6=87 in multi step equations
Dovator [93]
If you would like to solve the equation 3 3/4 * a + 3 + 6 = 87, you can do it using the following steps:

3 3/4 * a + 3 + 6 = 87
15/4 * a = 87 - 3 - 6
15/4 * a = 78    /*4/15
a = 78 * 4/15
a = 104/5
a = 20.8

The correct result is 20.8.
3 0
3 years ago
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