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Zinaida [17]
3 years ago
9

Is x+2y=6 2x-3y=26 have no solution,one solution, or infinity many solution

Mathematics
2 answers:
Lena [83]3 years ago
5 0

Answer:

1

Step-by-step explanation:

x + 2y = 6, multiply by 2 = 2x + 4y = 12

2nd equation:                    2x - 3y = 26

It has one solution

Tatiana [17]3 years ago
3 0

Answer: One solution

Step-by-step explanation:

Convert both equations into slope-intercept form:

x+2y=6

2y=6-x

y=\frac{6-x}{2}

Slope = 6/2 = 3

2x-3y=26

y=2x-26/3

Slope = 2/3

Therefore, he system of equations have one solution because their slopes are not equal.  

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A shoe store donated a percent of every sale to hospitals. The total sales were $8900 so the store donated $356. What percent of
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Answer:

4%

Step-by-step explanation:

Given data

The total sales= $8900

Donated amount=$356

Hence the percent donated is

=Donated amount/Total Sales *100

= 356/8900*100

=0.04*100

=4%

Hence the donated percent is 4%

3 0
3 years ago
Which expressions are equal to 750,000? Select all that apply. A. 75 × 10 3 B. 75 × 10 4 C. 75 × 10 5 D. 10 , 000 × 75 E. 100 ,
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Answer:

D should be the correct answer

7 0
4 years ago
Given the formula A = 1/2 (a+b)h, find:
weeeeeb [17]

Answer:

11,495 and 6,030

Step-by-step explanation:

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2A=(a+b)h

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3 0
3 years ago
3x square - 6x + 3=0
solmaris [256]

Answer: 1

Step-by-step explanation:

First you need to multiply 3 x 3 (9), because that's all 3 squared means.

Now the equation should be 9x-6x+3=0

Next we need to combine like terms. Do 9x - 6x which should give you 3x

Now your equations should be 3x+3=0

Now for the somewhat harder part...

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0-3= -3

so now you should have...

3x=-3    ignore the 3x, at this point it's useless in getting the answer because it would cancel out.

-3 divided by -3  is 1 because a negative (-)  divided by a negative (-) equals a positive (+).

The answer should be  x = 1

8 0
3 years ago
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gtnhenbr [62]

Answer:

5 to 8  &  5/8

Step-by-step explanation:

6 0
3 years ago
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