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koban [17]
3 years ago
15

9 − 5 = 1 /4 (16x + 60) show your work solve for x

Mathematics
1 answer:
leva [86]3 years ago
6 0

Distribute 1/4 to all terms within the parenthesis

9 - 5 = 4

1/4(16x + 60) = (16x + 60)/4 = 4x + 15

4 = 4x + 15

Isolate the x. Note the equal sign. What you do to one side, you do to the other.

Subtract 15 from both sides

4 = 4x + 15

4 (-15) = 4x + 15 (-15)

4 - 15 = 4x

-11 = 4x

Isolate the x. Divide 4 from both sides

(-11)/4 = (4x)/4

x = -11/4

hope this helps

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The equation that can be used to represent total tickets sales is 2170 = 5s + 2f + 10a

<h3>Equation</h3>

let

  • Number of students tickets = s
  • Number of faculty tickets = f
  • Number of alumni tickets = a

Expression for number of students tickets sold;

s = f + 15

Expression for number of faculty tickets sold;

f = 2a

Expression for number of alumni tickets sold;

f = 2a

a = f/2

  • Cost of students tickets = $5
  • Cost of faculty tickets = $2
  • Cost of Alumni tickets= $10
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2170 = 5s + 2f + 10a

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1 year ago
4. Eva saves $60 each week. Since she needs to save at least $2,400 to go on a trip to Europe, she will need to
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Answer:

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3 years ago
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3 years ago
What is the value of x?<br> Enter your answer in the box.<br> x =
olasank [31]

Answer:

x = 21

Step-by-step explanation:

The sum the the interior angles of a triangle is 180°.

We know that the three angles of the triangle is 100°, x° - 4, and 3x°.

The sum of 100°, x° - 4, and 3x° must equal 180°. We can turn this into the equation:

100 + x - 4 + 3x = 180

(I got rid of the degree signs because they are not necessary when finding x.)

Now, to find the value of x, we would have to solve for x in the equation 100 + x - 4 + 3x = 180.

100 + x - 4 + 3x = 180

Subtract 100 from both sides to get rid of the 100 on the left side.

x - 4 + 3x = 180 - 100

Simplify.

x - 4 + 3x = 80

Add 4 from both sides to get rid of the -4 on the left side.

x + 3x = 80 + 4

Simplify and combine like terms.

4x = 84

Divide 4 from both sides to get rid of the coefficient of 4 on the left side.

x = 84/4

Simply.

x = 21

The value of x would be 21.

x = 21

I hope you find this helpful. :)

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3 years ago
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