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Firlakuza [10]
4 years ago
10

How do you represent real-world problems involving ratios and rates with tables and graphs?

Mathematics
1 answer:
Gennadij [26K]4 years ago
5 0
Find the percentage of people with that problem or the percentage of it happening and put it in a circle graph like for example some people believe that certain vehicles shouldn't be allowed cause they cause population so i will put that percent in a circle graph and percent of people who think opposite
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Hannah buys 2/3 pound of roast beef.She uses 1/4 pound to make a sandwich for lunch. How many roast beef does she have left
Alinara [238K]

Answer:

2/3 - 1/4

=> taking L.C.M of the denominators we get,

=> 8/12-3/12

=> 5/12 is left with her,, ;)

HOPE THIS HELPS YOU...;)



4 0
3 years ago
PLEASE HELP WITH MATH
Sindrei [870]
The sample space is the final choice: <span>{B1,B2,B3,T1,T2,T3}

The sample space shows all of the possible outcomes of an event. In this case, there are 6 possible outcomes.

You could spin the top or bottom with each of the numbers.</span>
3 0
4 years ago
Which word does not belong in the group of words<br> Belize, Kingston, Bridgetown, London
Murljashka [212]

Answer:

belize

Step-by-step explanation:

5 0
3 years ago
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An article presents a study of the failure pressures of roof panels. Following are the failure pressures, in kPa, for five panel
Maru [420]

Answer:

95% confidence interval: (2.339,3.521)

Step-by-step explanation:

We are given the following in the question:

3.32, 2.49, 3.45, 2.38, 3.01

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

\bar{x} =\displaystyle\frac{14.65}{5} = 2.93

Sum of squares of differences = 0.925

\sigma = \sqrt{\frac{0.925}{4}} = 0.48

95% confidence interval:

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 4 and}~\alpha_{0.05} = \pm 2.77  

2.93 \pm 2.77(\frac{0.48}{\sqrt{5}} ) = 2.93 \pm 0.591 = (2.339,3.521)

7 0
3 years ago
Tickets to a movie cost 7.50 for adults and 5.50 for students. A group of 8 friends
adell [148]

Answer:

vgfjwqdyigcukjhgcsbn

Step-by-step explanation:

vhxjgaxghfh nfjnbnxdfhnfmbdfjm dc

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3 years ago
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