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rjkz [21]
3 years ago
12

How many solutions does the system have? 3x−5y=15 6x−10y=30 ​

Mathematics
1 answer:
34kurt3 years ago
4 0

Answer:

infinite solutions

Step-by-step explanation:

3x−5y=15

6x−10y=30 ​

Multiply the first equation by 2

2(3x-5y) = 2*15

6x -10y =30

The two equations are identical, which means they are the same line

That means they have infinite solutions

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3 years ago
Multiply. 1 1/2⋅3 2/3
soldier1979 [14.2K]

Answer:  The mixed number 5 & 1/2

====================================

Work Shown:

1 & 1/2 = 1 + 1/2 = 2/2 + 1/2 = 3/2

3 & 2/3 = 3 + 2/3 = 9/3 + 2/3 = 11/3

------

Multiplying 1&1/2 with 3&2/3 is the same as multiplying 3/2 and 11/3

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Use long division to find that 11/2 = 5 & 1/2

Or you can break it up like this

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4 0
3 years ago
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Geraldo recently saw a newspaper ad for a new version of his laptop. the projected price is $400.00, and the laptop will be out
Tanya [424]

The amount he had to pay if he have to purchase a laptop today that is the same value as the one he saw in the ad is $ 390.24.

Given that:-

Price of the laptop after 1 year = $ 400.

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We have to find the amount he had to pay if he have to purchase a laptop today that is the same value as the one he saw in the ad.

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brainly.com/question/8082054

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1 year ago
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