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Lady_Fox [76]
2 years ago
6

Pls help i really did it plssssssssss

Mathematics
2 answers:
Montano1993 [528]2 years ago
7 0

Hi!

Given:

(8x+14) + (9x-5)

As we are adding the two groups, we can safely take them out of parentheses, as none of the signs will change:

8x+14+9x-5

Now, we can rearrange them to make it easier, placing like terms next to each other:

8x+9x+14-5

Now, add like terms:

17x+9

Therefore, your answer is D.

Bess [88]2 years ago
5 0

Answer:

D

Step-by-step explanation:

You can combine like terms meaning (8x+14)+ (9x-5) is 17x+9

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The roof leading to the top of a hill has an angle of elevation of 23 degrees. The hill is 120 feet high what is the leanth of t
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Given

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The John Jay Theater Dept has tickets at $6 for adults, $4 for teachers, and $2 for students. A total of 280 tickets were sold f
OleMash [197]

Answer:

number of adults tickets sold = x = 90

number of teachers tickets = y = 45

number of students tickets = z = 145

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Cost of tickets

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Teachers = $4

Students = $2

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Total revenue = $1010

Let

x = number of adults tickets

y = number of teachers tickets

z = number of students tickets

x + y + z = 280

6x + 4y + 2z = 1010

If the number of adult tickets sold was twice the number of teacher tickets

x = 2y

Substitute x=2y into the equations

x + y + z = 280

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2y + y + z = 280

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16y + 2z = 1010 (2)

Multiply (1) by 2

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y = 450/10

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y = 45

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z = 280 - 135

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z = 145

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x + y + z = 280

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x = 90

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number of students tickets = z = 145

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