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Tju [1.3M]
3 years ago
5

Find the value of X and Y for all three questions. Show your work. Will give brainliest!

Mathematics
2 answers:
Reil [10]3 years ago
5 0
X=8 y=11 for the question 13
vodka [1.7K]3 years ago
3 0

Answer:

(13)

<u>x= 8</u>

<u>y=11</u>

(14)

<u>x= 20</u>

<u>y=20.75</u>

(15)

<u>x=9</u>

<u>y=13</u>

Step-by-step explanation:

(13) 8x-1 = 11x -25

24=3x

<u>x= 8</u>

8(8)-1 +15y-48= 180

15y=165

<u>y=11</u>

(14) 7x-44 + 4x + 4= 180

11x= 220

<u>x= 20</u>

4(20)+4+39= 8y-43

123=8y-43

166=8y

<u>y=20.75</u>

(15) 12x+1=15x-26

3x=27

<u>x=9</u>

28+15(9)-26+4y-9=180

4y=52

<u>y=13</u>

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If d(4)= 68. thus, joe travels 68 mi in 4 hours. then how much mi does joe travel in 45 minutes
zhuklara [117]

Given that, Joe travels 68 mi in 4 hours, the number of miles Joe will travel in 45 minutes is 12.75.

<h3>How many miles did joe travel in 45 minutes?</h3>

Given that;

  • Joe travels 68 miles in 4 hours
  • joe travel x miles in 45 minutes

First, we convert 4 hours to minutes: 4 × 60 = 240 minutes

Now,

Joe travels 68 miles in 240 minutes

Joe will travel x miles in 45 minutes

We have;

x × 240 = 68 × 45

x × 240 = 3060

x = 3060 / 240

x = 12.75 miles.

Given that, Joe travels 68 mi in 4 hours, the number of miles Joe will travel in 45 minutes is 12.75.

Learn more word problems here: brainly.com/question/14539651

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