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Free_Kalibri [48]
1 year ago
12

A group of randomly selected members of Mothers' Club were asked how many kids they have. The table below shows the results A gr

oup of randomly selected members of Mothers' Club were asked how many kids they have. The table below shows the results of the survey. There are 120120120 members in Mothers' Club. Number of kids Number of mothers 111 999 222 666 3+3+3, plus 555 Based on the data, what is the most reasonable estimate for the number of Mothers' Club members who have fewer than 222 kids?the survey. There are 120120120 members in Mothers' Club. Number of kids Number of mothers 111 999 222 666 3+3+3, plus 555 Based on the data, what is the most reasonable estimate for the number of Mothers' Club members who have fewer than 222 kids?
Mathematics
2 answers:
LenKa [72]1 year ago
5 0

Answer:

54

Step-by-step explanation:

Estimate=Population size × Sample proportion

population size =  120

sample proportion = (9)/(9+6+5) = 9/20 (check on Cymath as a resource)

estimate = 120 x 9/20 = 54

​

VARVARA [1.3K]1 year ago
4 0

Answer:

54

Step-by-step explanation:

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Helppp please.
Sati [7]
The solution
m = s + 5 
<span>m - 4 = (3s) - 3 </span>
<span>(s + 5) - 4 = 3s - 3 </span>
<span>s + 1 = 3s - 3 </span>
<span>s = 3s - 4 </span>
<span>-2s = -4 </span>
<span>s = 2 </span>
<span>m = 7 </span>
<span>Check this: </span>

<span>m - 4 = 3s - 3 </span>
<span>7 - 4 = 3(2) - 3 </span>
<span>3 = 6 - 3 </span>
<span>3 = 3 </span>

<span>So Sandy is 2 and Megan is 7.</span>
5 0
1 year ago
Aubrey's dinner cost \$85$85dollar sign, 85. She tips the waitstaff 30\%30%30, percent for excellent service.
KATRIN_1 [288]
<h3><u>Question:</u></h3>

Aubrey's dinner cost $85 . She tips the waitstaff 30% for excellent service. How much does Aubrey tip the waitstaff?

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

Aubrey paid $ 25.5 to the wait staff

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

Given that, Aubrey's dinner cost $ 85

She tips the waitstaff 30% for excellent service

We have to find the amount paid as tip to wait staff

Cost = $ 85

Tip = 30 %

So the tip amount paid is 30 % of 85

<h3><u>Find out 30 % of 85</u></h3>

Tip\ Amount = 30 \% \times 85\\\\Tip\ Amount = \frac{30}{100} \times 85\\\\Tip\ Amount = 0.30 \times 85\\\\Tip\ Amount = 25.5

Thus Aubrey paid $ 25.5 to waitstaff

4 0
1 year ago
Two weeks ago, Alice came home from vacation and noticed that a bean plant was growing in her garden. Today, the stalk is $452$
dimulka [17.4K]
So, on day 1, the plant was say "P" cm tall.

then 2 weeks go by, or 14 days, and the plant grew to 452 cm.

\bf \qquad \textit{Amount for Exponential Growth}\\\\&#10;A=P(1 + r)^t\qquad &#10;\begin{cases}&#10;A=\textit{accumulated amount}\to 452\\&#10;P=\textit{initial amount}\\&#10;r=rate\to 5\%\to \frac{5}{100}\to &0.05\\&#10;t=\textit{elapsed time}\to &14\\&#10;\end{cases}&#10;\\\\\\&#10;452=P(1+0.05)^{14}\implies \cfrac{452}{1.05^{14}}=P
7 0
1 year ago
Read 2 more answers
A line contains the points (82, −96) and (87, −86).
Alik [6]

Answer:

<h2>The answer is 2</h2>

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

m =  \frac{ y_2 - y _ 1}{x_ 2 - x_ 1} \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(82, −96) and (87, −86)

We have

m =  \frac{ - 86 -  - 96}{87 - 82}  =  \frac{ - 86 + 96}{5}  =  \frac{10}{5}  = 2 \\

We have the final answer as

<h3>2 </h3>

Hope this helps you

8 0
2 years ago
Which composition of transformations maps figure RSTUV to figure R"S"T"U"V"?
Sergeu [11.5K]

Answer:

option: B is correct

A reflection across line n followed by a 270° rotation about point P.

Step-by-step explanation:

Clearly from the figure we could see that the graph is first reflected across the given line n such that we obtain the figure R'S'T'V'U' and then it is rotated 270° across the point P so that we obtain the figure R"S"T"U"V".

Hence, option B is correct.

( A reflection across line n followed by a 270° rotation about point P )

5 0
2 years ago
Read 2 more answers
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