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jek_recluse [69]
2 years ago
11

A balloon artist wants to make 6 different ut the kinds of balloon animals. She needs 4 balloons to make each animal. If the bal

loons come in packs of 8, how many packs will she need to buy? Part A Explain what you need to find first to solve the problem.​
Mathematics
1 answer:
ollegr [7]2 years ago
7 0

Answer:

She will need to buy 3 packs to make 6 different balloon animals.

Step-by-step explanation:

Given that the balloon artist wants to make 6 different animals, and each animal involves using 4 balloons, to make those 6 animals she must use 24 balloons, as the following calculation shows:

6 x 4 = 24

Now, since the balloons come in packs of 8 units, to make those 6 animals she must buy 3 packs of balloons, as this calculation also shows:

24 / 8 = 3.

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Need help pls<br>thank you in advance ​
ira [324]

Answer:

<h3><u>Mean</u></h3>

<u />

\textsf{Mean}\:\overline{X}=\sf \dfrac{\textsf{sum of all the data values}}{\textsf{total number of data values}}

\implies \sf Mean\:(Nilo)=\dfrac{5+6+14+15}{4}=\dfrac{40}{4}=10

\implies \sf Mean\:(Lisa)=\dfrac{8+9+11+12}{4}=\dfrac{40}{4}=10

<h3><u>Standard Deviation</u></h3>

\displaystyle \textsf{Standard Deviation }s=\sqrt{\dfrac{\sum X^2-\dfrac{(\sum X)^2}{n}}{n-1}}

\begin{aligned}\displaystyle \textsf{Standard Deviation (Nilo)} & =\sqrt{\dfrac{(5^2+6^2+14^2+15^2)-\dfrac{(5+6+14+15)^2}{4}}{4-1}}\\\\& = \sqrt{\dfrac{482-\dfrac{40^2}{4}}{3}}\\\\& = \sqrt{\dfrac{82}{3}}\\\\& = 5.23\end{aligned}

\begin{aligned}\displaystyle \textsf{Standard Deviation (Lisa)} & =\sqrt{\dfrac{(8^2+9^2+11^2+12^2)-\dfrac{(8+9+11+12)^2}{4}}{4-1}}\\\\& = \sqrt{\dfrac{410-\dfrac{40^2}{4}}{3}}\\\\& = \sqrt{\dfrac{10}{3}}\\\\& = 1.83\end{aligned}

<h3><u>Summary</u></h3>

Nilo has a mean score of 10 and a standard deviation of 5.23.

Lisa has a mean score of 10 and a standard deviation of 1.83.

The <u>mean</u> scores are the <u>same</u>.

Nilo's standard deviation is higher than Lisa's.  Therefore, Nilo's test scores are more <u>spread out</u> that Lisa's, which means Lisa's test scores are more <u>consistent</u>.

5 0
1 year ago
1)-5.5 - 11.2 =<br> on<br> a.) 5.7<br> b.)-5.7<br> c.) 16.7<br> d.) -16.7
Bingel [31]

Answer:

C

Step-by-step explanation:

-5.5-11.2

change the subtraction to addition

5.5+11.2= 16.7

6 0
2 years ago
Read 2 more answers
I need help asap!!!!!!!!!!!!!
Tatiana [17]

Answer:

Step-by-step explanation:

7 0
2 years ago
Think about plotting points in the complex plane to represent the following numbers: -3+8i, 4i, 6, 5-2i. (on the horizontal axis
9966 [12]
For this case we represent in the complex plane numbers of the form:
 a + bi
 
Where,
 a: real part
 bi: imaginary part
 We represent the real part on the x axis.
 We represent the imaginary part in the y axis.
 Therefore, for the following numbers we have:
 -3 + 8i: quadrant 2
 4i: on the vertical axis
 6: on the horizontal axis
 5-2i: quadrant 4
8 0
2 years ago
Read 2 more answers
Find the surface area
Dafna1 [17]

Answer:

d

Step-by-step explanation:

can you see the photo

here is the step

i hope it can help you

3 0
2 years ago
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