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3 years ago

Complete the steps to write an explicit formula that

Mathematics

2 answers:

alukav5142 [94]3 years ago

8 0

1) 5

2) 1

3) f(n)=5n+1

Step-by-step explanation:

mihalych1998 [28]3 years ago

4 0

Answer:

Find the slope of the line that passes through the points given in the table. The slope is 5.

Use one of the given points to find the y-intercept. Substitute values for x, y, and m into the equation y = mx + b and solve for b. The y-intercept is 1.

Write the formula as a function of n in slope-intercept form. The function is

f(n) = 5n+1 for n in the set of natural numbers.

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Becomes -18+5=-15+8+-6 which equals -13 on both sides meaning -3 is a solution

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3 years ago

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3 years ago

If Professor Wilson found that the test scores of his students had a variance of 4.4, what is the standard deviation? Type a num

malfutka [58]

Answer:

The standard deviation will be: 2.1

Step-by-step explanation:

We know that standard deviation is basically the square root of variance.

Using the formula to calculate the standard deviation

$s=\sqrt{s^2}$

The variance = s² = 4.4

so the standard deviation can be calculated as:

standard deviation $=\sqrt{s^2}$

$=\sqrt{\left(4.4\right)^}$

$=2.1$

Therefore, the standard deviation will be: 2.1

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3 years ago