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3 years ago

13

Caroline scored 8 more points than three times the number of points as Kamila. If Kamila scores 8 points in her next try, she wi

ll have scored 40 points for the season.
Question 1
Part A

1 answer:

nlexa [21]3 years ago

8 0

Answer: 32

step by step explanation: 40 - 8 = 32

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Which statement correctly compares the mean number of students for the data in the plots?

satela [25.4K]

Answer:

<em><u>"There are about 2 more students in each class at Oak Middle School than at Poplar Middle School."</u></em>

Step-by-step explanation:

We need to compute the mean for each.

<u>Poplar Middle School:</u>

Lets list the numbers

20,20,20,21,21,21,21,21,22,22,22,22,22,22,22,23,23,23,23,24

The average is sum of all divided by number of numbers, that will be:

435/20 = 21.75

<u>Oak Middle School:</u>

The numbers are:

20,21,21,22,22,23,23,23,23,24,24,24,25,25,26,26,27,27,28,29

The average is sum divided by number of numbers, that will be:

483/20 = 24.15

The difference in mean is:

24.15 - 21.75 = 2.4

We can say, that is about 2 more students in Oak Middle School, correct answer choice is "2nd answer choice" - <em><u>"There are about 2 more students in each class at Oak Middle School than at Poplar Middle School."</u></em>

7 0

4 years ago

A function has y-intercept of -3 and a slope of -7/3. Which equation below describes the function?

Juliette [100K]

Answer:7/8 8/7

Step-by-step explanation:

7 0

3 years ago

How to solve derivative of (sin3x)/x using first principle

Leona [35]

$\dfrac{d}{dx}(\dfrac{\sin(3x)}{x})$

First we must apply the Quotient rule that states,

$(\dfrac{f}{g})'=\dfrac{f'g-g'f}{g^2}$

This means that our derivative becomes,

$\dfrac{\dfrac{d}{dx}(\sin(3x))x-\dfrac{d}{dx}(x)\sin(3x)}{x^2}$

Now we need to calculate $\dfrac{d}{dx}(\sin(3x))$ and $\dfrac{d}{dx}(x)$

$\dfrac{d}{dx}(\sin(3x))=\cos(3x)\cdot3$

$\dfrac{d}{dx}(x)=1$

From here the new equation looks like,

$\dfrac{3x\cos(3x)-\sin(3x)}{x^2}$

And that is the final result.

Hope this helps.

r3t40

7 0

3 years ago

Read 2 more answers

Kendra's water bottle contains 2 quarts of water she wants to add drink mix to it but the directions for the drink mix give the

Mila [183]

64 fluid ounces in 2 USA Quarts of water

7 0

3 years ago

Why is 0.04 is 1/10 of 0.4

Delicious77 [7]

Is in mathematics means the equal sign
of in mathematics means multiplication

So translating that sentence into an algebraic expression, it would be:

0.04 = 1/10 x 0.4

And that statement is true! Because when you divide a number by 10, you move the decimal over to the left one time.

5 0

3 years ago