3 years ago

2. Find the sum of the first 20 positive squares.

Mathematics

1 answer:

viva [34]3 years ago

5 0

The correct answer is 2870

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A bicyclist is riding on a path modeled by the function f(x) = 0.03(10x − x2), where x and f(x) are measured in miles. Find the

REY [17]

Answer: $0.024\ \text{miles per sec}$

Step-by-step explanation:

Given

Path is changing according to the function $f(x)=0.03(10x-x^2)$

Rate of change of the elevation is given by the derivative of the function

$\Rightarrow f'(x)=0.03(10-2x)$

At $x=1\ f'(x) \ \text{is}$

$\Rightarrow f'(x=1)=0.03(10-2\times 1)\\\Rightarrow f'(x=1)=0.03(8)\\\Rightarrow f'(x=1)=0.24\ \text{miles per sec}$

3 0

3 years ago

Simplify to create an equivalent expression. 8−4(−x+5)

White raven [17]

8 - 4(-x + 5)

As you already know, in order to find the equivalent expression to our already given one, we have to simplify it first :)

8 +4x - 20

**Remember that a negative times a negative is always a positive!!**

Add like terms.

4x + (8 - 20)

Simplify.

4x + (-12)

Get rid of parenthesis.

4x - 12

Look at our answer choices.

Our answer is a. 4x - 12

~Hope I helped!~

3 0

3 years ago

What does it mean to say that a data point has a residual of 1?

aleksandrvk [35]

This your answer hope i helped. :)

<span> The point lies one unit above the regression line. </span>

4 0

3 years ago

Read 2 more answers

QUESTION WORTH 15 POINTS!! FINALS!! NO WRONG ANSWERS PLEASE!!

Xelga [282]

Answer:

Somewhere around 27k