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3 years ago

6

Twenty-one people in a room have an average height of 5 feet 6 inches. a 22nd person enters the room. how tall would he have to

be to raise the average height by 1 inch?

1 answer:

Vsevolod [243]3 years ago

7 0

The person would need to be 22 inches taller than the average, that is, 7 ft 4 inches tall.

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A person draws a card from a hat. Each card is one color, with the following probabilities of being drawn: 1/25 for red, 1/20 fo

VARVARA [1.3K]

Probability helps us to know the chances of an event occurring. The probability of pulling a green or red card is 9 / 100.

<h3>What is Probability?</h3>

Probability helps us to know the chances of an event occurring.

P = $\dfrac{Desired \ outcomes}{Posiible \ outcomes}$

The probabilities of different color cards being pulled are 1/25 for red, 1/20 for green, 1/15 for purple, and 1/10 for black Therefore, the probability of pulling a green or red card is,

Probability = 1/20 + 1/25

= (5 + 4) /100

= 9 / 100

Hence, the probability of pulling a green or red card is 9 / 100.

Learn more about Probability:

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3 0

1 year ago

If b=4 and c=2, what is 2b-3c?

Paraphin [41]

First, fill in the variables with the numbers given so that
2b-3c
will then become
2(4)-3(2)
next, you refer to the order of operations to simplify the problem down, the multiplication being the first doable operations in this problem.
8-6
and next operation being subtraction.
2
is the final answer

6 0

3 years ago

Read 2 more answers

The third term in an arithmetic sequence is 58 and the fifth term is 90. if the first term is a1, which is an equation for the n

kiruha [24]

The third term in an arithmetic sequence is 58 and the fifth term is 90. if the first term is a1, which is an equation for the nth term of this sequence?
1. an = 8n + 10
2. an = 8n − 14
☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆3. an = 16n + 10
4. an = 16n − 38

3 0

2 years ago

The data shows the number of customers Joe's Diner served during lunchtime hours for the past 12 days. 22, 25, 50, 58, 28, 24, 2

timofeeve [1]

Answer:

Boxplot A

Step-by-step explanation:

Given the data:

22, 25, 50, 58, 28, 24, 25, 51, 43, 32, 49, 38

We should obtain the 5 number summary and check which boxplot correctly displays the information :

Reordered data : 22, 24, 25, 25, 28, 32, 38, 43, 49, 50, 51, 58

. Maximum = 58

Minimum = 22

Lower quartile : 1/4(n+1)th term

n = 12

1/4(13)th term = 3.25

(3rd + 4th) = (25 + 25) /2 = 25

Median :

1/2(13)th = 6.5th term

(32 + 38) /2 = 35

Upper quartile :

3/4(13)th term 9.75 term

(49 + 50) / 2

= 49.5

5 0

3 years ago

Find the percent: 2% of 50

Len [333]

To find said answer you could multiply 50 times 2% and get 1 as your answer

7 0

3 years ago

Read 2 more answers