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antoniya [11.8K]
3 years ago
12

What is an equation of the line that passes through the points (1, 2) and (2, -1)?

Mathematics
1 answer:
Jet001 [13]3 years ago
8 0

Answer: m = -3

............................

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Use substitution to determine which of the following points is a solution to the standard form equation below. 2y = 5
sashaice [31]
The question is incomplete.

This is the complete question as I found in internet:

<span>Use substitution to determine which of the following points is a solution to the standard form equation below 5x-2y = 10

these are the points:
</span>
-1,5

1,5

0,-5

0,5

Answer: (0, -5)

Explanation:


point          x           y        5x - 2y = 10 ?


-1,5         -1           5         5(-1) - 2(5) = - 5 - 10 = - 15 ≠ 10 ⇒ not a solution

1,5            1          5         5(1) - 2(5) = 5 - 10 = 5 ≠ 10 ⇒ not a solution
 
0,-5           0        -5           0 -2(-5) = 10 ⇒ a solution

0,5             0         5          0 - 2(5) = - 10 ≠ 10 ⇒ not a solution

7 0
3 years ago
If a bottle rotates through 270 degrees in 3 seconds,how degrees does it rotate in 2 seconds?
makkiz [27]
It rotates 180 degrees because its like 90 +90+180
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7 0
3 years ago
I HAVE LIKE 2 MORE QUESTIONS, HELP ME PLZ!
Ne4ueva [31]

Given:

Base length of triangle = 10 units

Height of triangle = \sqrt{44} units

Length of hypotenuse of triangle = 12 units

To find:

Exact value of Cos A

Steps:

The cosine of any angle is equal to the length of the adjacent side by the length of the hypotenuse side.

So,

Cos A = \frac{adjacent}{hypotenuse}

Cos A = \frac{10}{12}

Cos A = 0.833

Therefore, the exact value of cos A is 0.833.

Happy to help :)

If u need any help, feel free to ask

5 0
3 years ago
I think its multiply by -2 but i dont know
AVprozaik [17]

Answer: Divide by -2

Step-by-step explanation: In an equation where you have ab = n, then you divide by a. So then you get b = n/a.

If my answer was helpful, please mark it as brainliest.

3 0
1 year ago
Read 2 more answers
BD is a midsegment of triangle ACE and BD is to AE The value of x is:
anygoal [31]
The answer is simply B. 48
5 0
3 years ago
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