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rosijanka [135]
4 years ago
10

A pair of equations which has a unique solution x=2 y=-3​

Mathematics
1 answer:
nignag [31]4 years ago
8 0

x=2, y=3 is a pair of a equations right there, so a correct solution.

How about another linear system?

Answer: x+y=5, 10x + y = 23

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The perimeter of a rectangle is 42 cm. The width is 7 cm less than the length.
lara [203]

Answer:

<h2>Length = 14</h2><h2>Width =7</h2>

Step-by-step explanation:

Let \:the\:length\:be \:x\\Perimeter = 42 cm\\Width = x -7\\\\P = 2(l+b)\\\\42 = 2(x+(x-7))\\\\42 = 2(x +x-7)\\42 = 2(2x-7)\\42 = 4x -14\\Collect\:like\:terms\\\\42+14=4x\\56 = 4x\\\\Divide \:both\:sides\:of\:the\:equation\:by \:4\\\frac{56}{4} = \frac{4x}{4} \\\\14 =x\\Length = 14\\Width = x-7\\Width = 14-7\\\\Width = 7

7 0
3 years ago
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I really need help with number 4. Please help me out!
Zina [86]
So " the line of best fit " would be 5(h) to 200(m) .
Which would also be 5:200 .
So after you can divide, so 5/5 would be 1 and 200/5 would be 40.
So it would be 1 to 40 (1:40).
The equation would be 40x. 
If I helped please mark as brainliest . Thanks .

7 0
3 years ago
Dianne is ordering a ice cream dessert
Talja [164]

Answer:

mint chocalte chip

Step-by-step explanation:

it is a really good flavor

6 0
3 years ago
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Sketch the graph of each line.<br> 1) y = -x +3<br> toto 4 3 2 1
seropon [69]

Answer:

I can't draw the graph for you here, but the y intercept is 3, and the slope is -1.

Step-by-step explanation:

First you plot a point on the y axis at 0,-3

Then you want to do a rise over run, doing -1,1 until you get enough points to graph the line.

6 0
4 years ago
HELP !!!!! ASAP 4 ENDGENUITY Let the graph of g be a translation 5 units to the right followed by a translation 7 units down of
Kruka [31]

A translation of h units upwards and q units to the right is represented by the transformation

(x,y)\rightarrow(x-q,y-h)

So, to translate 5 right and 7 down, we need

(x,y)\rightarrow(x-5,y+7)

Now we just need to plug x=x-5 and y=y+7 in our equation (remember f(x)=y):

y+7=|x-5|\\y=|x-5| - 7

The answer is

\boxed{g(x) = |x-5|-7}

6 0
3 years ago
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