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lawyer [7]
2 years ago
11

What is the mean for 87,93,86,90,84

Mathematics
2 answers:
Lisa [10]2 years ago
7 0
\frac{87+93+86+90+84}{5} =\boxed{\bf{88}}

The mean is 88.
lys-0071 [83]2 years ago
4 0
Mean, or average, is solved by adding all the numbers and dividing by the number of numbers. The answer is 88. 
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X = 5 -3 x is not quadratic what is the reason​
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Find an equation of a line that is tangent to the graph of f and parallel to the given line. Please see picture
ivanzaharov [21]

Answer:

y = 3x - 2 (smaller y-intercept)

y = 3x + 2 (larger y-intercept)

Step-by-step explanation:

First let's write the generic equation of a line:

y = ax + b

This line needs to be parallel to the line 3x - y + 5 = 0, so it needs to have the same slope of this line.

The line 3x - y + 5 = 0 has a slope of 3, so our line has a = 3:

y = 3x + b

Now we need to find the values of b that make this line tangent to the function f(x) = x^3

Let's first find the derivative of f(x) in relation to x:

df(x)/dx = 3x^2

This derivative is the slope of the tangent line to the function for any value of x. We need a slope of 3, so:

3x^2 = 3

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x = ±1

Now, to find the y-values, we have:

f(1) = 1^3 = 1

f(-1) = (-1)^3 = -1

So, using the points (1,1) and (-1,-1) in our parallel line, we have:

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