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mars1129 [50]
3 years ago
8

Which ordered pair is a solution to the equation 3x+2y=6 ?

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0
You need to use all of them until you find the answer so lets fo this!
a. (-10,-12) x=-10 y=-12
3x+2y=6
3*(-10)+2*(-12)=6
-30-24=6
-54=6
This is incorrect,now we try the othe options
b.(10,12) x=10 y=12
3x+2y=6
3*10+2*12=6
30+24=6
54=6
This is incorrect then we try the other option
c. (-10,12) x=-10 y=12
3x+2y=6
3*(-10)+2*12=6
-30+24=6
6=6
And this is the correct answer. So the answer is c. (-10,12)
stepladder [879]3 years ago
7 0
3(-10)+2(-12)=-54 That's not right!

3(10)+2(12)=54 That's also not right 

3(-10)+2(12)=-6 Close but not right

3(10)+2(-12)=6 is the correct answer

Your welcome love u


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Answer:

Step-by-step explanation:

Volume of Cone =1 \div 3 \times \pi \times r { \times h}^{2}1÷3×π×r×h

2

4 0
2 years ago
It costs you $22.25 per day to rent a car in New York City. In addition, you have to pay 16 cents for every mile you travel. How
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Answer: $178.13

Step-by-step explanation:

418x0.16=66.88

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4 0
3 years ago
A flock of geese is flying north for the summer while a bird watcher is observing. He notices that they are flying in the shape
nata0808 [166]

Answer:

y = -¼│x − 5│+ 3

Step-by-step explanation:

y = a│x − h│+ k

(h, k) is the vertex of the absolute value graph.  In this case, it's (5, 3).

y = a│x − 5│+ 3

One point on the graph is (1, 2).  Plug in to find the value of a.

2 = a│1 − 5│+ 3

2 = 4a + 3

a = -¼

Therefore, the graph is:

y = -¼│x − 5│+ 3

4 0
3 years ago
The perimeter of a rectangle is 36m. If its length is increased by 1m and the width is increased by 2m, its area will increase b
maw [93]

Answer:

  80 m^2

Step-by-step explanation:

The given information lets you write two equations involving length (x) and width (y).

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The second of these equations simplifies to another linear equation, giving a system of linear equations easily solved.

  xy +y +2x + 2 -xy = 30

  2x +y = 28 . . . . . . . subtract 2

Dividing the first equation by 2 gives

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and subtracting this from the above equation gives ...

  (2x +y) -(x +y) = 28 -18

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Then

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The area of the original rectangle is xy = 10·8 = 80 m^2.

4 0
3 years ago
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