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aliina [53]
3 years ago
7

Use the coordinates of the plotted points to complete the calculation below. Pay attention to negative signs

Mathematics
2 answers:
Alex787 [66]3 years ago
4 0

answer:

-1/2

explanation

1-2 / 4-2 = -1/2

MAVERICK [17]3 years ago
3 0

Slope between two points

 (x_{1},y_{1}) \text{and},(x_{2},y_{2}) \text{is equal to}\\\\\text{and}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{1-2}{4-2}\\\\=\frac{-1}{2}

Option D                                

  \frac{-1}{2}

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What is the value of x? Enter your answer in the box.
mario62 [17]
X = 12

because if you notice, each of the angles have a little arc in the corner, which means they are congruent. if all three angles are congruent, that means each angle is 60° because each triangle has a maximum value of 180°. therefore, this means it is an equilateral triangle.

that being said, each side must be equal as well. so, you can use any two sides to find x by using each one on a different side of an equation, then isolating and solving.

5x - 22 = 3x + 2 = 4x - 10

so

5x - 22 = 3x + 2
3x + 2 = 4x - 10
4x - 10 = 5x - 22

whichever one you solve for, x = 12. and if you plug in that number for x, each side equals the same number = 38
8 0
3 years ago
Which equation will solve the following word problem? Vanessa spent $87.00 on entertainment for the week. Her rent costs twelve
Lunna [17]

Answer:

2 * $87 - $12 = R

Step-by-step explanation:

Let R represent the cost of Vanessa's rent.

Vanessa spent $87.00 on entertainment for the week.

Her rent costs twelve dollars less than double that amount. Breaking it down, the expression "double that amount" is expressed as (2 × 87). Subtracting 12 from double that amount, the final expression would become

R = 2(87) - 12

R =

R = 174 - 12

The correct option is

2 * $87 - $12 = R

5 0
3 years ago
If your percentile rank in a group of 500 students is 84, how many persons rank lower than you?
julsineya [31]
If you do 84 x 5 then you have 420 people lower than you 
5 0
3 years ago
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A right triangle has side lengths 4 units, 5 units, and x units what is the difference between the difference values of x?
irina [24]

Use the Pythagorean theorem.

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If x is a leg, then we have:

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Answer: \sqrt{41}-3

6 0
3 years ago
A bag contains three green marbels and eight white marbels. suppose in marble is randomly selected. what are the odds in favor o
andrezito [222]
B, 8 to 11 because general number of marbles is 8+3=11 and only 8 of all are white)
4 0
3 years ago
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