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Tasya [4]
3 years ago
8

Vertical angles 4x+7 and [5(x-4)] what is the value of x

Mathematics
2 answers:
MArishka [77]3 years ago
8 0

Answer:

x = 27

Step-by-step explanation:

Vertical angles are congruent.

5(x - 4 ) = 4x +7

5x - 20 = 4x + 7   {Distributive property}

Add 20 to both sides

5x = 4x + 7 + 20

5x = 4x  + 27

Subtract 4x from both sides

5x - 4x = 27

x = 27

choli [55]3 years ago
5 0

Answer:

x = 27

Step-by-step explanation:

vertical angles are congruent , then

5(x - 4) = 4x + 7 ← distribute parenthesis on left side

5x - 20 = 4x + 7 ( subtract 4x from both sides )

x - 20 = 7 ( add 20 to both sides )

x = 27

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Tickets to a school production cost $5 for a student ticket and $10 for an adult ticket. A total of 67 tickets were purchased at
vazorg [7]

Answer:

Step-by-step explanation:

Keywords:

System of equations, variables, cost, tickets, adults, children.

For this case we must solve a system of equations with two variables represented by the tickets of students and adults of a school production.

We define the variables according to the given table:

a: Number of tickets sold to adults

c: Amount of tickets sold to children.

We then have the following system of equations:

A + c = 67

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From the first equation, we clear the value of the variable c:

C = 67 - a

Answer:

The value that could replace c in the table is:

C = 67 - a

Option C is the answer!

Hope it helped u if yes mark me BRAINLIEST!

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3 years ago
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Dafna11 [192]

Answer:

See attached graph

Step-by-step explanation:

8 0
3 years ago
Put the fractions in order starting with the smallest to the largest
stiks02 [169]

Answer:

21/40, 17/20, 29/40, 3/4, 4/5

Step-by-step explanation:

21/40 = 10.5/20

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7 0
3 years ago
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Bingel [31]

Answer:

40° D. is your answer to this question

3 0
3 years ago
Please help please I don’t know :( explain please
Bas_tet [7]

Answer:

t = 5

Step-by-step explanation:

It's asking what t needs to equal for the equation to be equivalent to -44.

-10t + 6 = -44

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t = 5

check

-10(5) + 6 = -44

-50 + 6 = -44

-44 = -44

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3 years ago
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