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Anni [7]
2 years ago
9

Is (-3,1) a solution if the system? y = -x - 2 x + 5y = 2

Mathematics
1 answer:
Dominik [7]2 years ago
6 0

Answer:

Step-by-step explanation:

x + 5(-x - 2)= 2

x - 5x - 10 = 2

-6x - 10 = 2

-6x = 12

x = -2

y = 2 - 2 = 0

(-2, 0)

answer is no

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Using the distance formula, d = √(x2 - x1)2 + (y2 - y1)2, what is the distance between point (-10, 12) and point (5, 3) rounded
Whitepunk [10]

Answer:

<h3>The answer is 17.5 units</h3>

Step-by-step explanation:

Using the distance formula

<h3>d =  \sqrt{ ({x2 - x1})^{2} +  ({y2 - y1})^{2}  }</h3>

the distance between (-10, 12) and (5, 3) is

<h3>d =  \sqrt{ ({5 + 10})^{2}  +  ({3 - 12})^{2} }</h3><h3>d =  \sqrt{ {15}^{2}  + ( { - 9})^{2} }</h3><h3>d =  \sqrt{225 + 81}</h3><h3>d =  \sqrt{306}</h3><h3>d = 3 \sqrt{34}</h3>

d = 17.492855

We have the final answer as

<h3>d = 17.5 units to the nearest tenth</h3>

Hope this helps you

4 0
3 years ago
Read 2 more answers
Please don’t skip!!! I need help!!
horsena [70]
P = [60] cm

Explanation:

6.5 cm + 6.5 cm + 7.5 cm + 7.5 cm + 7.5 cm + 7.5 cm + 8.5 cm + 8.5 cm
7 0
3 years ago
Subtraction with the same denominator examples
erica [24]

Answe10/5 - 5/5 = 5/5

Step-by-step explanation:

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NEED HELP, ASAP! !!! 2 QUESTIONS.
Maksim231197 [3]

Answer:

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2.area of the triangle=1/2*b*h

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8 0
2 years ago
What is an equation of the line that passes through the points (0,8) and (-8,-4)?
Dafna11 [192]
<h2>Answer:</h2>

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Step-by-step explanation:

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4 0
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