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dedylja [7]
3 years ago
10

I want to make sure I got the right answer to this.

Mathematics
2 answers:
Nastasia [14]3 years ago
6 0
Simplified would be 21/1 Would be 21
lina2011 [118]3 years ago
3 0
First, do 3 x 1/2= 1.5 Then, 1.5 x 14 = 21. 21 is your answer
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What value is missing from this table please helpppp
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The volume of a cube is 1,728 cubic units. What is the length of one side?
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If arc lm = 20 ft, find the radius of N
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120 ft

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Isabel runs 3 miles in 25 minutes. At the same rate, how many miles would she run in 20 minutes?
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4 0
3 years ago
a concert promoter sold 475 tickets to a rock concert the ticket prices for different seat locations were 10 15 and 20 the total
Andrej [43]

282.5 of 10 tickets were sold in the rock concert by the promoter

<h3>How to determine the number of 10 tickets?</h3>

To do this, we make use of the following representations:

  • x represents the 10 tickets
  • y represents the 15 tickets
  • z represents the 20 tickets

The 475 tickets that were sold means that:

x + y + z = 475

The income means that:

10x + 15y + 20z = 6300

Also, we have:

10y = 4z

Divide both sides by 10

y = 0.4z

Substitute y = 0.4z in 10x + 15y + 20z = 6300

10x + 15*0.4z + 20z = 6300

10x + 6z + 20z = 6300

Evaluate the like terms

10x + 26z = 6300

Substitute y = 0.4z in x + y + z = 475

x + 0.4z + z = 475

Evaluate the like terms

x + 1.4z = 475

Make x the subject

x = 475 - 1.4z

Substitute x = 475 - 1.4z in 10x + 26z = 6300

10(475 - 1.4z) + 26z = 6300

Expand

4750 - 14z + 26z = 6400

Evaluate the like terms

12z = 1650

Divide both sides by 12

z = 137.5

Substitute z = 137.5 in x = 475 - 1.4z

x = 475 - 1.4 * 137.5

Evaluate

x = 282.5

Hence, 282.5 of 10 tickets were sold

Read more about system of equations at:

brainly.com/question/14323743

#SPJ1

3 0
2 years ago
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