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LiRa [457]
3 years ago
5

Three examples of discrete variables ​

Mathematics
1 answer:
CaHeK987 [17]3 years ago
7 0

Answer:

Step-by-step explanation:

Discrete Variables can meaningfully have only specific values:

Number of coin flips: 4.

Number of books published: 2.

Distance walked, rounded to the nearest kilometer: 3

(Must be rounded up or down)

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Find the length of the third side.if necessary, round to the nearest tenth 24 18
VashaNatasha [74]

Answer:

30

Step-by-step explanation:

\text{Legs: 18, 24}\hspace{20px}\text{Hypotenuse: ?}

Legs: 18, 24Hypotenuse: ?

a^{2}+b^{2}=

a

2

+b

2

=

\,\,c^{2}

c

2

The Pythagorean Theorem

18^{2}+24^{2}=

18

2

+24

2

=

\,\,c^{2}

c

2

Plug in. c is the hypotenuse.

324+576=

324+576=

\,\,c^{2}

c

2

Square the numbers.

900=

900=

\,\,c^{2}

c

2

Add.

\sqrt{900}=

900

​

=

\,\,\sqrt{c^{2}}

c

2

​

Square root both sides.

30=

30=

\,\,c

c

The hypotenuse.

7 0
3 years ago
A plane is an undefined term because it
Evgesh-ka [11]
Neither A, B or D explains why plane is undefined. All 3 of those answers describe something about plane which is true. Plane indeed can be named using three non collinear points. However, B is telling why plane is undenified. I it described generally, not using a formal definition.

Answer is B

8 0
4 years ago
What is the approximate area of the following circle?
balu736 [363]

Answer:

38.47 {m}^{2}

Step-by-step explanation:

The formula to find the area of a circle is

a= \pi {r}^{2}

We know that

\pi = 3.14 \:  \:  \:  \:  \:  \: r = 3.5

Therefore the area is

a= \pi {r}^{2} \\ \\ a = (3.14) {(3.5)}^{2} \\ \\ a = 3.14 \times 12.25 \\ \\ a = 38.47 {m}^{2}

8 0
2 years ago
Read 2 more answers
A bicycle is on sale at $12 more than half of the regular price. If the sale price is $75, find the regular price.
konstantin123 [22]
So 12 more than half the regular price.
let's let p be the original price.

\frac{1}{2} p + 12 = 75
right?
Now you just have to solve from there.
6 0
3 years ago
From 1999 to 2008, the United States Mint
tensa zangetsu [6.8K]

Answer:

a. \frac{2}{13}

b. \frac{3}{13}

c. See the step-by-step explanation.

Step-by-step explanation:

A table given by OP

State Year

Tennessee 2002

Tennessee 2002

Ohio 2002

Alabama 2003

Maine 2003

Florida 2004

Florida 2004

Florida 2004

Texas 2004

Texas 2004

California 2005

California 2005

Kansas 2005

a. There are 2 Texas quarters and 13 coins in total, so the probability of selecting a Texas quarter at random is \frac{2}{13}.

b. Analagously, the probability is  \frac{3}{13}, because there are 3 quarters minted in 2002.

c. See a and b.

4 0
3 years ago
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