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2 years ago

What is the median? 15 22 16 14 12 18 20 15 20 21

Mathematics

2 answers:

MrRissso [65]2 years ago

6 0

If put in order:

12,14,15,15,16,18,20,20,21,22

it should be 17.

Valentin [98]2 years ago

5 0

The Median is 17 (see attachment)

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The graph of a linear system is shown. What is the solution the linear system?

Mkey [24]

Answer:

y=3x-1 and y=3x+1

Step-by-step explanation:

y=mx+b form

m stands for the slope which is rise over run.

b stands for the y intercept. where the line intersects with the y axis.

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1 year ago

Find the Taylor series for f(x) centered at the given value of a. [Assume that f has a power series expansion. Do not show that

kherson [118]

Answer:

The answer is

$f(x) = {\displaystyle 8 + \frac{-28}{1}(x+2)+\frac{-36}{2!}(x+2)^2 + \frac{-18}{3!}(x+2)^2 }$

Step-by-step explanation:

Remember that Taylor says that

$f(x) = {\displaystyle \sum\limits_{k=0}^{\infty} \frac{f^{(k)}(a) }{k!}(x-a)^k }$

For this case

$f^{(0)} (-2) = 8(-2)-3(-2)^3 = 8\\f^{(1)} (-2) = 8-3(3)(-2)^2 = -28\\f^{(2)} (-2) = -3(3)2(-2) = -36\\f^{(2)} (-2) = -3(3)2 = -18$

$f(x) = {\displaystyle 8 + \frac{-28}{1}(x+2)+\frac{-36}{2!}(x+2)^2 + \frac{-18}{3!}(x+2)^2 }$

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2 years ago

Simplifying fractons

Radda [10]

This calculator will first reduce the improper fraction to lowest terms by dividing numerator and denominator by the greatest common factor (GCF). The GCF of 45 and 10 is 5. The remainder is 1. With 1 as the numerator and 2 as the reduced denominator, the fraction part of the mixed number is 1/2.

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2 years ago

Read 2 more answers

Please help me with this. I will give brainliest.

Temka [501]

Answer:

do you still need this answered?

Step-by-step explanation:

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2 years ago

5miles = 8km. How many km in 80miles?

Zina [86]

Answer:

128

Step-by-step explanation:

Set this up as a proportion with miles on the top and km on the bottom:

$\frac{mi}{km}:\frac{5}{8}$

If we want to know how many km are in 80 miles, we put the variable with the km stuff on the bottom and 80 on top and cross multiply to solve for the variable:

$\frac{mi}{km}:\frac{5}{8}=\frac{80}{x}$ so

5x = 640 and

x = 128

That means that 80 miles is equivalent to 128 km

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2 years ago