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2 years ago

Find the slope of each line

Mathematics

2 answers:

mrs_skeptik [129]2 years ago

4 0

Answer:

-2/3

Step-by-step explanation:

The slope formula is y₁-y₂/x₁-x₂ so all we need is 2 points and the ones provided are -4, 3 and -2, -1 so all we do is plug them in to get 3--1/-4-2 which equals to 4/-6 which is -2/3

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Nataly_w [17]2 years ago

3 0

Answer: -2

Step-by-step explanation: The slope of a line refers to its direction and steepness. The slope can be expressed as a fraction that is commonly refered to as rise over run. In order to find the slope of a line, you need to find two coordinates on the line and use the "rise over run" method. The numerator (rise) is how many units up or down while the denominator (run) is how many units left or right. There are two given points on this specific line. To get from one to the other, you must go down 4 units and to the right 2 units; therefore, the slope, or rise over run, is -4/2. This can be simplified to -2/1, which can be simplified even further to just -2.

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Mr Akika has 18 21-cent stamp and 31 31-cent stamp.

He has 49 21-cent and 31-cent stamps all told.

let

x = number of 21 cent stamp

y = number of 31 cent stamp

Therefore,

<h3>Total number of stamp:</h3>

x + y = 49

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Therefore,

x + y = 49

21x + 31y = 1339

21x + 21y = 1029

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Therefore,

x = 49 - 31

x = 18

Therefore, Mr Akika has 18 21-cent stamp and 31 31-cent stamp.

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Find the slope of each line​

Find the slope of each line