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suter [353]
3 years ago
7

Explain how to find the slope of the line.

Mathematics
1 answer:
Marina CMI [18]3 years ago
3 0

Step-by-step explanation:

slope =  \frac{y2 - y1}{x2 - x1} \\   =  \frac{1 - 3}{6 - 2}  \\  =   \frac{ - 2}{4}  \\  =  -  \frac{1}{2}

Even if x₁ = 6, y₁ = 1 and x₂ = 2, y₂ = 3 the result remains same.

<h3>#CMIIW</h3>
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A coastline recedes at a rate of 3cm per year. How much of the coastline dissappears after 4 years?
Damm [24]

Answer:

12 cm of coastline

Step-by-step explanation:

Multiply the years (factor) by the receding amount, 3cm, (constant) BAM answer.

3 0
3 years ago
2343 x 23.56 + 94217.23452 / 21421 - 512
monitta

Answer:

54693.47836

Step-by-step explanation:

Order of operations PEMDAS

Do the multiplication and division first - each separately

Then add and subtract the answer you get to get the final answer.

5 0
3 years ago
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Write the expression as a whole number with a negative exponent. Do not evaluate the expression.
WINSTONCH [101]

Answer: \frac{1}{3^6}=3^{-6}

Explanation: Denominators of a fraction can be equivalently written as their value to the power of negative 1. In this case the denominator expression itself  has an exponent of 6, which taken to the power of negative one becomes -6:

\frac{1}{3^6}=(3^6)^{-1}=3^{6(-1)}=3^{-6}

5 0
3 years ago
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Christian randomly selects students from his grade to rate a math test as easy, moderate, or difficult. Of the students he surve
Paraphin [41]

Answer:

C.

84

Step-by-step explanation:

This question is solved using proportions.

From the sample:

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Out of 162:

Applying the rule of three:

14 - 27

x - 162

Applying cross multiplication:

27x = 14*162

x = \frac{14*162}{27}

x = 84

Thus the correct answer is given by option C.

8 0
3 years ago
What step can be taken to get the x by itself on one side in the equation x - 13 = 102?
galben [10]
To get x by itself, you would add 13 to both sides. x=115
7 0
3 years ago
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