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Aleonysh [2.5K]
3 years ago
6

The number of toys owned by eight classmates is shown below:

Mathematics
2 answers:
ddd [48]3 years ago
8 0

Answer:

(I don't know how to do part B sorry :(. But I can help you with part A)

Part A: The mean of the data is 5

Step-by-step explanation:

To find the mean, you add up all the numbers, then divide the numbers depending on how many numbers there are. In this case:

4 + 3 + 4 + 5 + 6 + 6 + 8 + 4 = 40

------------------------------------------------------------------------------------------------------------

Next we divide:

40 ÷ 8 = 5

-------------------------------------------------------------------------------------------------------------

Have a good day :)

Vera_Pavlovna [14]3 years ago
3 0

Answer: The mean/average is 5

Step-by-step explanation:

First of all, we know that mean is average.

The average is when you add up all numbers which would be 3+4+4+5+6+6+8+4 which equals 40.

After this, we divide the sum by the amount of numbers in the equation.

In this case, we have 8 numbers in the equation so we divide 40 by 8.

This is basic division and we all know that the answer to 40/8 is 5.

The answer is 5.

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Find a number such that 17 less than twice a number is 109.
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Answer:

-15

Step-by-step explanation:

2x-17=-47

2x=-47+17

2x=-30

x=-30/2

x=-15

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3 years ago
What is the value of (3-5)4(2) – 16+ 2?<br> -40<br> -16<br> 24<br> 56
dedylja [7]

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-30

Step-by-step explanation:

(3-5)4(2) – 16+ 2= -2*8-14= -16-14= -30

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Round 7.939 to the nearest hundredth
Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

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3 0
3 years ago
At the movie theater,the Clayton family bought 4 fountain drinks and 3 bags of popcorn and paid $22.75.how much is a fountain dr
Anna35 [415]
<h3><u>Question:</u></h3>

At the movie theater , the Clayton family bought 4 fountain drinks and 3 bags of popcorn and paid $22.50.  The Hanks family bought 5 fountain drinks and 2 bags of popcorn and paid $23.75.  How much is a fountain drink?  How much is a bag of popcorn ?

<h3><u>Answer:</u></h3>

Cost of 1 fountain drink is $ 3.75 and cost of 1 bag of popcorn is $ 2.5

<h3><u>Solution:</u></h3>

Let "f" be the price of 1 fountain drink

Let "p" be the price of 1 bag of popcorn

Given that Clayton family bought 4 fountain drinks and 3 bags of popcorn and paid $22.50

4 x price of 1 fountain drink + 3 x price of 1 bag of popcorn = 22.50

4 \times f + 3 \times p = 22.50

4f + 3p = 22.5 -------- eqn 1

Also given that Hanks family bought 5 fountain drinks and 2 bags of popcorn and paid $23.75

5 x price of 1 fountain drink + 2 x price of 1 bag of popcorn = 23.75

5 \times f + 2 \times p = 23.75

5f + 2p = 23.75 -----------------eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

Multiply eqn 1 by 2

2(4f + 3p = 22.5)

8f + 6p = 45 -------- eqn 3

Multiply eqn 2 by 3

3(5f + 2p = 23.75)

15f + 6p = 71.25 --------- eqn 4

<em><u>Subtract eqn 3 from eqn 4</u></em>

15f + 6p = 71.25

8f + 6p = 45

( - ) -------------------

7f = 26.25

f = 3.75

<em><u>Substitute f = 3.75 in eqn 1</u></em>

4(3.75) + 3p = 22.5

15 + 3p = 22.5

3p = 22.5 - 15

3p = 7.5

p = 2.5

Thus cost of 1 fountain drink is $ 3.75 and cost of 1 bag of popcorn is $ 2.5

8 0
3 years ago
P= $2000.00 A= $2160.00 t= 2 years
inessss [21]

Answer:

interest = Amount-Principal= 2160-2000=160

Rate = Interest*100/(P*T)= 160*100/(2000*2)=4%

Step-by-step explanation:

3 0
3 years ago
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