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3 years ago

A pet store owner surveys his customers about the number of pets they own. The results are below:

Mathematics

2 answers:

finlep [7]3 years ago

5 0

For percentages, use a pie graph.

sertanlavr [38]3 years ago

4 0

Answer:

Pie chart is the best option to show the given data in graphical form.

Explanation:

We have the data of number of pets against their number of respondents and the owner wants to show the percentage of results of the survey in a graphical form.

So pie chart will be the best option here as they show categorical data which helps us to see what percentage of the whole each category constitutes.

Pie charts are best to use when you are trying to compare parts of a whole as they do not show changes over time.

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A boy has 380 prize tickets he wants to exchange for action figures at a prize booth. At

loris [4]

Answer:

Step-by-step explanation:

Hi there,

If the boy wants 80 small action figures

that is equivalent to 40 x 7 (as 7 tickets

gives him 2 small action figures)

= 280 tickets.

The 380 tickets he has originally minus the

280 leaves 100 tickets to get 20 large action figures

(100/5)

He will have 80 small and 20 large action figures

80:20 = 4:1

Hope this helps:-)

6 0

3 years ago

Luke can swim 25 laps in one hour

tatuchka [14]

25x and 4 hours. Hope it’s right

4 0

3 years ago

Read 2 more answers

How do you answer this step by step

leonid [27]

X/3 +4 = 5+x/6
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3 0

2 years ago

Suppose that 45% of people have dogs. If two people are randomly chosen, what is the probability that they both have a dog

mylen [45]

Answer:

$P(Dogs) = 0.2025$

Step-by-step explanation:

Given

$Proportion, p = 45\%$

Required

Probability of two people having dog

First, we have to convert the given parameter to decimal

$p = \frac{45}{100}$

$p = 0.45$

Let P(Dogs) represent the required probability;

This is calculated as thus;

P(Dogs) = Probability of first person having a dog * Probability of second person having a dog

$P(Dogs) = p * p$

$P(Dogs) = 0.45 * 0.45$

$P(Dogs) = 0.45^2$

$P(Dogs) = 0.2025$

Hence, the probability of 2 people having a dog is  $P(Dogs) = 0.2025$ 

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3 years ago

If you start with 85 milligrams of Chromium 51, used to track red blood cells, which

zysi [14]

About 92 days are taken for 90 % of the material to decay.

The mass of radioisotopes ( $m$ ), measured in milligrams, decreases exponentially in time ( $t$ ), measured in days. The model that represents such decrease is described below: