2 years ago

What does the line in a scatter plot mean?

1 answer:

6 0

Answer:

the line represents the average slope in which the dots line up. in other words, it shows where most of the options/solutions are on the plot

Step-by-step explanation:

nice pfp

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When you add two numbers with the same sign, what sign do you use for the sum?

Dafna11 [192]

You keep the same sign. So:-

4 + 4 = 8 and

--4 + -4 = -8

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2 years ago

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Amber is on a family cell phone plan with the other 3 members of her family. The family gets 960 shared cell phone minutes a mon

Dominik [7]

She can go 10 minutes per day.

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3 years ago

Prove that x-1 is a factor of x^n-1 for any positive integer n.

PolarNik [594]

Answer:

$x-1$ is a factor of $x^n - 1$

Step-by-step explanation:

$x-1$ is a factor of $x^n - 1$

We will prove this with the help of principal of mathematical induction.

For n = 1, $x-1$ is a factor $x-1$ , which is true.

Let the given statement be true for n = k that is $x-1$ is a factor of $x^k - 1$ .

Thus, $x^k - 1$ can be written equal to $y(x-1)$ , where y is an integer.

Now, we will prove that the given statement is true for n = k+1

$x^{k+1} - 1\\=(x-1)x^k + x^k - 1\\=(x-1)x^k + y(x-1)\\(x-1)(x^k + y)$

Thus, $x^k - 1$ is divisible by $x-1$ .

Hence, by principle of mathematical induction, the given statement is true for all natural numbers,n.

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3 years ago

211.1336 rounded to nearest tenth

Artist 52 [7]

Answer:

211.1

Step-by-step explanation:

3 isn't greater than or equal to 5 so it will not round up to 2 so your answer will be 211.1

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3 years ago

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A student cost for last semester at her community college was 2300 she spent 414 of that on books what percent of last semester’

Crank

414/2300 ×100% = 18%

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2 years ago