Select the answer choices that show two fractions that are equal. (Select two)..

Mathematics

1 answer:

Kruka [31]3 years ago

5 0

Problem 1

Answers: Choice A, choice D

The formula you use is

a & c/d = (a*d+c)/d

To convert from mixed number form to improper fraction form.

So,

6 & 2/3 = (6*3+2)/3 = (18+2)/3 = 20/3

And also,

8 & 1/5 = (8*5+1)/5 = (40+1)/5 = 41/5

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Problem 2

Answer: Reflection

Think of how mirrors cause a reflection and this should help you remember the term better. If we reflect point A over some line L, to get point A', then the distance from A to L is the same from A' to L also.

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A survey of a group of seventh graders and a group of teachers at a local middle school asked how many siblings they each have.

wolverine [178]

Answer:

The closest statement is B. The median for the students is 2 and the median for the teachers is 3.

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Number of students = 20

Siblings 0 1 2 3 4 5 6 7 8 9

Students 2 4 7 5 2 0 0 0 0 0

Number of teachers = 20

Siblings 0 1 2 3 4 5 6 7 8 9

Teachers 1 3 2 4 5 3 1 0 1 0

2. Which statement compares the medians of the data?

Let's recall that the median of a set of data (students or teachers) is the middlemost number in the set. The median is also the number that is halfway into the set. To find the median, the data should be arranged in order from least to greatest. If there is an even number of items in the data set, then the median is found by taking the mean (average) of the two middlemost numbers, the 10th and 11th values from left to right for the students and teachers.

Upon saying that, let's meet the median of the data sets provided:

Median for the students = 10th and 11th values/2

Median for the students = (2 + 2)/2 = 2

Median for the teachers = 10th and 11th values/2

Median for the teachers = (3 +4)/2 = 3.5

The closest statement is B. The median for the students is 2 and the median for the teachers is 3.

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4 years ago

Read 2 more answers

What multiplies to 20 and adds up to 9?

Karo-lina-s [1.5K]

There are 4 and 5
4 *5 = 20
4+5 =9