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3 years ago

The graph compares the ages of 100 randomly selected visitors at a beach in January and in July.

Mathematics

2 answers:

Nina [5.8K]3 years ago

7 0

Answer:

the answer is 20, just took the test

Step-by-step explanation:

Kipish [7]3 years ago

6 0

The plot for January places the median age at 40, so half of the surveyed group was over 40. That would be half of 100 people, or 50 people.

The plot for July places the upper quartile at age 40, so 1/4 of the surveyed group was over 40. That would be 1/4 of 100 people, or 25 people.

There were 50 - 25 = 25 more visitors over the age of 40 at the beach in January.

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Answer the following 3 questions CORRECTLY I will know if this is wrong. I WILL REPORT ANY INCORRECT ANSWERS!

zhannawk [14.2K]

1. A) 5

7 - 6 ÷ 3

7 - 2

2. A) 11

(2 x 4) + 6 ÷ 2

8 + 6 ÷ 2

8 + 3

3. A) 40

6 0

3 years ago

Read 2 more answers

Which algebraic expression represents the phrase below? five times the sum of a number and eleven, divided by three times the su

anyanavicka [17]

The overall algebraic expression will be: $\frac{5(x+11)}{3(x+8)}$

Definition of algebraic expression -

An expression obtained by a finite number of the fundamental operations of algebra upon symbols representing numbers.

Five times the sum of a number and eleven, divided by three times the sum of the number and eight.

Let the number be x.

Five times the sum of a number and eleven means 5 multiplied to the sum of x and 11. In expression this will be written as:

5(x + 11)

Three times the sum of the number and eight means 3 multiplied to the sum of x and 8. In expression this will be written as:

3(x + 8)

So, the overall algebraic expression will be: $\frac{5(x+11)}{3(x+8)}$

Learn more about algebraic expression

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3 0

1 year ago

Sage and Tom started the month with the same number of talk minutes on their cell phones. Sage talked for 7 minutes with her dad

Paraphin [41]

Answer:

a. Sage and Tom have the same number of talk minutes left on their cell phone plans.

b. y = x - 7

Explanation:

Sage talked for 7 minutes with her dad.

Tom talked for 4 minutes with a friend and 3 more minutes with his mom which means he spoke for :

= 4 + 3

= 7 minutes

They both spoke for 7 minutes and therefore have the same amount of time left.

Algebraic expression:

Assuming the time Tom started with is denoted by x and the time he is left with is denoted by y.

The expression is:

y = x - 7

6 0

3 years ago

Consider the dot plot below. Of the following statements, which two characteristics of this dot plot make the median a better ch

Vilka [71]

The data are skewed and there is an outlier statement first is correct.

<h3>What is the box and whisker plot?</h3>

A box and whisker plot is a method of abstracting a set of data that is approximated using an interval scale. It's also known as a box plot. These are primarily used to interpret data.

We have data on the box plot.

Because the dots decrease as the number line grows, the depicted dot plot is skewed right.

The graph's "tail" is pushed toward greater positive numbers. As a result, the mean is pushed towards the graph's tail and is higher than the median.

Thus, the data are skewed and there is an outlier statement first is correct.

Learn more about the box and whisker plot here:

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5 0

2 years ago

A manufacturer of lawnmowers wanted to know the most important product attributes to consumers. The company's research team deve

stepladder [879]

Answer: Ordinal measurement scale

Step-by-step explanation:

In ordinal measurement scale the order of values or variables are very important. Just as in the case above, the rating from 1-3 is according to the order of it's importance.

Thanks

7 0

2 years ago