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Kamila [148]
3 years ago
7

7th grade math , I’ll give brainliest

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
5 0

25 X 8 = 200

500 - 200 = 300

So if you have 8 weeks and spend 25 dollars a week then you would have $300 left over at the end of the 8 weeks.

Hope this helps Plz mark brainliest

castortr0y [4]3 years ago
5 0

Answer:

300

Step-by-step explanation:

500 divided by 25 equals 20

20 minus 8 equals 12

12 x 25 equals 300

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Answer:

II. One and only one solution

Step-by-step explanation:

Determine all possibilities for the solution set of a system of 2 equations in 2 unknowns. I. No solutions whatsoever. II. One and only one solution. III. Many solutions.

Let assume the equation is given as;

x + 3y = 11 .... 1

x - y = -1 ....2

Using elimination method

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(x-x) + 3y-y = 11-(-1)

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y = 12/2

y = 6

Substitute y = 6 into equation 2:

x-y = -1

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x = -1 + 6

x = 5

Hence the solution (x, y) is (5, 6)

<em>Hence we can say the equation has One and only one solution since we have just a value for x and y</em>

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3 years ago
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3 years ago
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Alika [10]

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klio [65]

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b

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7 0
3 years ago
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