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AleksandrR [38]
2 years ago
13

Trevor performed an experiment in which he randomly pulled a card from a standard deck, recorded the card's value, returned the

card to the deck, and repeated. His results are shown in the following dot plot, where 11 represents a jack, 12 represents a queen, 13 represents a king, and 14 represents an ace.
A dot plot. There is one dot for every number except the following: 4 has 3 dots, 7 has 2 dots, & 12 has 4 dots.

Based on the experiment, what is the probability of drawing a 9 from the deck of cards?
Mathematics
1 answer:
Alika [10]2 years ago
4 0

Ansi dont know

Step-by-step explanation:

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PLEASE HELP ASAP (20 points) Basic Inverse Function Question<br> *see attachment*
Doss [256]

Answer:

D

Step-by-step explanation:

f(x ) = x^{2} - 1\\

inverse ----> f(x) = y = x

x = y^{2} - 1

y^{2}  = x + 1

y = ± \sqrt{x + 1}

6 0
3 years ago
The sum of two positive integers, a and b, is at least 30. The difference of the two integers is at least 10. If b is the greate
KIM [24]

a + b ≥ 30,  b ≥ a + 10, the system of inequalities could represent the values of a and b

option A

<u>Step-by-step explanation:</u>

Here we have , The sum of two positive integers, a and b, is at least 30. The difference of the two integers is at least 10. If b is the greater integer, We need to find which system of inequalities could represent the values of a and b . Let's find out:

Let two numbers be a and b where b>a . Now ,

  • The sum of two positive integers, a and b, is at least 30

According to the given statement we have following inequality :

⇒ a+b\geq 30

  • The difference of the two integers is at least 10

According to the given statement we have following inequality :

⇒ b-a\geq 10

⇒ b-a+a\geq 10 +a

⇒ b\geq 10 +a

Therefore , Correct option is A) a + b ≥ 30,  b ≥ a + 10

8 0
2 years ago
Read 2 more answers
Which of the following is an advantage to using a table to help you solve a problem?
Tems11 [23]
Dear!
In my best knowledge,your ans is b.
3 0
3 years ago
Read 2 more answers
Given the sequence 7, 12, 17, 22, ...
abruzzese [7]

Answer:

option D is true.

Step-by-step explanation:

Given the sequence

7, 12, 17, 22, ...

An arithmetic sequence has a constant difference 'd' and is defined by

a_n=a_1+\left(n-1\right)d

Computing the differences of all the adjacent terms

12-7=5,\:\quad \:17-12=5,\:\quad \:22-17=5

The difference between all the adjacent terms is the same

so

d=5

as

a_1=7

Thus, the nth term of the arithmetic sequence will be:

a_n=5\left(n-1\right)+7

a_n=5n+2

Therefore, option D is true.

7 0
3 years ago
Please help me here
Natasha2012 [34]

Answer:

C

Step-by-step explanation:

C because you multiply the nimbers and then divid.

3 0
3 years ago
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