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emmasim [6.3K]
3 years ago
11

Explain the difference between a rate, a ratio, and a proportion?

Mathematics
1 answer:
kaheart [24]3 years ago
3 0

Answer:

A proportion is an equality of two ratios.

Example : \frac{1}{3} = \frac{x}{9}

​

We write proportions to help us find equivalent ratios and solve for unknown quantities.

A rate is the quotient of a ratio where the quantities have different units.

Example : \frac{distance}{time}

A ratio is a comparison of two quantities.

Example : 1 : 3 or \frac{1}{3}

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For a sample of 100 students, the median number of text messages sent per day is 90, the first quartile is 78, and the third qua
Igoryamba

Answer:

between 78 and 102 texts and more than 78 text messages.

Step-by-step explanation:

the range of it is 102-178, so its between there, and its more than 78 as well if the range goes up to 102

7 0
3 years ago
Read 2 more answers
Pls help me and thank ya!!
algol13

Answer:

Option 1

Step-by-step explanation:

Rational numbers do not have infinite decimals.

Option 1:

-5, 3/4 and √49 are all rational. Correct

√49 = 7

3/4 = 0.75

-5 = -5

Option 2:

1/4 = 0.25

5 = 5

√12 = 3.4641...

Incorrect

Option 3:

-1/2 = -0.5

-3 = -3

√8 = 2.82841...

Incorrect

Option 4:

1/7 = 0.142857...

9 = 9

√11  = 3.31662...

Incorrect

5 0
3 years ago
If you are dealt 4 cards from a shuffled deck of 52 cards, find the probability of getting two queens and two kings.
Bingel [31]

<u>Given</u>:

If you are dealt 4 cards from a shuffled deck of 52 cards.

We need to determine the probability of getting two queens and two kings.

<u>Probability of getting two queens and two kings:</u>

The number of ways of getting two queens is 4C_2

The number of ways of getting two kings is 4C_2

Total number of cases is 52C_4

The probability of getting two queens and two kings is given by

\text {probability}=\frac{\text {No.of fanourable cases}}{\text {Total no.of cases}}

Substituting the values, we get;

probability=\frac{4C_2 \cdot 4C_2}{52C_4}

Simplifying, we get;

probability=\frac{6 (6)}{270725}

probability=\frac{36}{270725}

probability=0.000133

Thus, the probability of getting two queens and two kings is 0.000133

7 0
3 years ago
Find the result when 25 is increased by 52%
ANTONII [103]
38 is the answer because 25+13=38
8 0
3 years ago
Read 2 more answers
Find m c to the nearest tenth if c=48 a=34 m
Brut [27]
C=48
a=34m

m=a/34

m*c=48*a/34=48a/34=24a/17
7 0
3 years ago
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