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notka56 [123]
3 years ago
15

Find x and y if x=2y-8 and y=9x-7

Mathematics
1 answer:
german3 years ago
6 0

Answer:

x = (22/17), y= (79/17)

Step-by-step explanation:

Just substitute x = 2y - 8 into y = 9x - 7 and solve.

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A new pencil is 19 centimeters long. Levi uses it for a month. The pencil now measures 8 centimeters.
pogonyaev

Answer:

11 cm

Step-by-step explanation:

Given:

Length of new pencil = 19 cm

Length of pencil after using a month = 8 cm

Question asked:

The pencil is centimeters shorter now than when it was new = ?

Solution:

Length of new pencil = 19 cm

Length of pencil after using a month =  8 cm

The pencil is centimeters shorter now than when it was new = 19 cm -  8 cm

                                                                                                     = 11 cm

Length of pencil has been used during a month = 11 cm

8 0
3 years ago
Gregory runs at a steady pace on his treadmill. In 2 hours, he runs 12 miles. The graph represents this situation. Which point w
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Answer:

6 miles per hour because 12 divided by 2 is 6

Step-by-step explanation:

5 0
3 years ago
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Find the shortest distance from point A to the given line.
podryga [215]

Step-by-step explanation:

please i work on by paper worksheet, see it

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4 0
3 years ago
The value of a car in each of its first 3 years is: $24,000, $18,000, $13,500. These amounts form a sequence. Which of the follo
Olegator [25]

Answer:

The second one

Step-by-step explanation:

4 0
3 years ago
Amelie needs 2| 3/8 cups flour for one recipe and 1| 1/3 cups of flour for another recipe.
ryzh [129]

Answer:

3 and 17/24 cups of flour

Step-by-step explanation:

You need to make the denominator the same so find what number the 8 and 3 can both be turned into to make the same number. They can both be made into a 24. 8x3=24 so you multiply the 3 by 3 making 9. Do the same to the 1/3, multiplying both by 8 making 8/24.

2 9/24 and 1 8/24 which can be made into 3 17/24

5 0
3 years ago
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