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Mademuasel [1]
3 years ago
7

Find the Perimeter of triangle ABC and triangle XYZ.

Mathematics
1 answer:
kirza4 [7]3 years ago
4 0

Answer: ABC=36  XYZ=108

Step-by-step explanation:

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The lay in Burlington collected $3 930 in overdue fees last year. This year, the library
almond37 [142]

Answer:

We conclude that the percent of decrease = 20%

Step-by-step explanation:

Given

  • Original amount = $3930
  • Amount of decrease = $3930 - $3144 = $786

Using the formula

Percent of decrease = ( amount of decrease / orignal amount × 100 ) %

                                   = ( 786 / 3930 × 100 ) %

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Therefore, we conclude that the percent of decrease = 20%

4 0
3 years ago
A cleaning company charges x dollars per hour to clean floors and y dollars per hour to clean the rest of the house
Nina [5.8K]

Answer:

(15,18)

Step-by-step explanation:

write two equations with the information provided.

2x + 3y = 84

x + 4y = 87

use the property of substitution to answer.

x + 4y = 87,   x = 87 - 4y

2(87 - 4y) + 3y = 84

174 - 8y + 3y = 84

174 - 84 = 8y - 3y

90 = 5y

90/5 = y

y = 18

Add the value of Y to an original equation. Solve for X

2x + 3(18) = 84

2x + 54 = 84

2x = 84 - 54

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x = 30/2

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3 years ago
27x 5 + 9x 4 - 18x 3) 9x 2
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In guessing it's 2,106.......
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