The theoretical probability of drawing a red card from a deck of cards is 1:2. Micheal drew 20 cards and received 7 red and 13 black.

What is the best explanation for this result.

A. Theoretical results are correct, regardless of how many cards are drawn.

B. Two decks of cards should be used.

C. Simulations do not always produce theoretical results.

D. More cards needed to be drawn.

Answers

Answer 1

Answer:

A. Theoretical results are correct, regardless of how many cards are drawn.

Step-by-step explanation:

Answer 2

Answer: A. Theoretical results are correct, regardless of how many cards are drawn.

Step-by-step explanation:

Plato


Related Questions

Help me with my math**50 pts** i mark brainliest**

Answers

Answer:

3) Reflexive Property

4) SAS

Step-by-step explanation:

ST ≅ TS

1. The Reflexive Property states that: a quantity is congruent (equal) to itself.

Example: a = a  In this case, it could be seen as ST ≅ ST because they have/are the same side(s).RST ≅ UTS

1. SAS theorem states that: two triangles are equal if two sides and the angle between those two sides are equal.

Example: RST ≅ UTS (both have S and T) Can be seen as RST ≅ UST as well to make their similarity more evident.

2. Because it is given that RS ≅ UT and RT ≅ US, and it includes the same 2 lines being equal as given/said, RST ≅ UTS because of SAS (theorem).

Which equation shows the relationship between d and t?

Answers

Answer:

d=50t

Step-by-step explanation:

for every d, t is d times 50

Top one because 50x2=100 distance

Which fraction is equivalent to 0.8?

Answers

Answer:

4/5

Step-by-step explanation:

.8 means 80/100 (divide both top and bottom by 20)

Answer: 4/5

Step-by-step explanation:

The new house you bought costs $300 000 but is discounted at 20%. What is the final cost?(PLS I NEED HELP)

Answers

Answer:

240000

Step-by-step explanation:

20% x 300000 = 60000

300000 - 60000 = 240000

Use the ruler provided to measure the radius of the circle to the nearest centimeter.
Which measurement is closest to the area of the circle in square centimeters?

Answers

Answer

its B

Step-by-step explanation:

Answer:

43.96 2 cm2

Step-by-step explanation:

Four friends shared 7 chocolate bars. Each of them was given an equal share of the chocolate bars. How many chocolate bars did each person get?

Answers

Answer:

19. 25 chocolate bars

Step-by-step explanation:

77 divided by 4=19. 25

There is an ample supply of identical blocks (as shown). Each block is constructed from four 1 × 1 × 1 unit-cubes glued whole-face to whole-face. What is the greatest number of such blocks that can be packed into a box that is 6 units tall, 7 units wide, and 8 units deep without exceeding the height of the box?

Answers

Answer:

72

Step-by-step explanation:

The answer is 72 because my teacher gave it to me. I promise i'm legit, and I won't lie. This is the real answer, and if you choose 336, you're probably getting it wrong. That's from Math Olympiad.

A trapezoid has a base 1 = 6 base = 8 and a height = 3 whats the area?

Answers

Answer:

[tex]area = 21[/tex]

Step-by-step explanation:

Area of trapezoid formula:

[tex]area = \frac{a + b}{2} h[/tex]

Given information:

a: 6

b: 8

h: 3

Using the given information,

[tex]area = \frac{6 + 8}{2} 3[/tex]

Add the numbers in the numerator

[tex]area = \frac{14}{2} 3[/tex]

Reduce fraction with 2

[tex]area = 7 \times 3[/tex]

Answer:

[tex]area = 21[/tex]

PLEASE ANSWER ASAP


Maryam writes down the following 6 numbers
11, 11, 12, 18, 19, A

Maryam works out the mean of the 6 numbers, she then increases the value of a by 60
What will this do to the mean of the 6 numbers?

Answers

It will make it increase by a lot

Top Golf charges $12 for each hour. You can spend no more than $60.
Which of the following inequalities could help you solve for all the possible hours, h,
that you can golf for?

Answers

Answer:

Step-by-step explanation:

12x<60

The < will have a underline

Please help!!!! I don’t understand how to figure it out

Answers

Answer:

(sin x)^2*(sec x) is positive in QII

Step-by-step explanation:

(sin x)^2 is always 0 or positive.  Here x lies in QII.

sec x is positive when the adjacent side is positive and negative when the adjacent side is negative.  In QII the adjacent side is positive.

In summary, (sin x)^2*(sec x) is positive in QII

Jessica‘s mom is 30. Jessica‘s daughter is zero years old. Jessica‘s mom had Jessica at 15 years old. Jessica is 15 years old. Jessica‘s grandma is 45. Jessica‘s great grandma is 60. How old is Jessica‘s great great great great great great grandma? I know the answer it’s just so everybody can have extra points yay. Must show work. How many music part is Jessica grandma to her great great great great great great grandma?

Answers

Jessica‘s mom is 30. Jessica‘s daughter is zero years old. Jessica‘s mom had Jessica at 15 years old. Jessica is 15 years old. Jessica‘s grandma is 45. Jessica‘s great grandma is 60. How old is Jessica‘s great great great great great great grandma? I know the answer it’s just so everybody can have extra points yay. Must show work. How many music part is Jessica grandma to her great great great great great great grandma?

Answer:

135

Step-by-step explanation:

jessica's family as a rule to give birth at the age of 15 clearly so you 5 lots of 15 to 60 and boom. simple

The points with coordinates (0,0)
and (2,1) are connected by a line
segment. If this line segment is
extended into a line, which point
will also be on the line?

Answers

Do you have a picture?
Slope of line passing through (0, 0) and (2, 1) = (1-0)/(2-0) = ½

Equation of line: y = ½x

Given an absolute value function f(x)=|x|, what is the effect of adding a constant k to the function?

Answers

Answer: the graph of the resulting function, |x| + k, is the graph of f (x) shifted k units up

Step-by-step explanation:

just took the test

Diego said that the answer to the question "How many groups of ¾ are in 1?" is 4/3 or 1 1/3.


Do you agree with him? Explain...

Answers

Answer:

Step-by-step explanation:

Yes. 1 ÷ ¾ = 1 × 4/3 = 4/3 = 1⅓

Which data collections show bias? Check all that apply.
D An English teacher polls the top-ten most avid readers to find their favorite books.
O An
insurance company polls drivers of sports cars to find their average number of tickets.
O A restaurant manager surveys every tenth customer for one week.
O An assistant principal surveys each student who is sent for discipline.
D A fundraiser organizer draws five names from a hat that contains all entries.

Answers

Answer:

An insurance company polls drivers of sports cars to find their average number of tickets.

Step-by-step explanation:

It’s bias because they’re only polling people with sports cars

An English teacher polls the top ten most avid readers to find their fav books
An insure company polls drivers of sports cars
An assistant principal surveys each student

I need some help please help it’s 100% of my grade

Answers

3x-6+4=-20

3x-2=-20

3x=-18

x=-6

25, 27, 24, 26, 40
A. What is the mean of the data?
B. What is the median of the data?

Answers

mean is 28.4 (all numbers added together then divided by the amount of numbers)
median is 24 (the middle number)
THE ANSWERS R a. IS 28.4 b. IS 26

Can someone please help

Answers

Answer:

(-4)^10

Step-by-step explanation:

When doing this sort of problem, we multiply the exponents.

This is the power rule.

Find an equation in point slope form for the line haveing the slope m=-3 and containing the point (6 7)

Answers

Answer:

7-y=-3(6-x)

Step-by-step explanation:

Point slope form:

[tex]y-y_{1} = m(x-x_{1} )[/tex]

Substitute y in for 7. Substitute x in for 6. Substitute m in for -3.

7-y=-3(6-x)

Solve the quadratic formula

X^2-5x-14=0

Answers

Answer:

Step-by-step explanation:

Sum = -5

Product = -14

Factors = 2 , (-7)      because 2*(-7) = -14 and 2 + (-7) = -5

x²  - 5x - 14 = 0

x² + 2x - 7x - 14 = 0

x(x + 2) -7(x + 2) = 0

(x + 2)(x - 7) =0

x + 2 = 0           ;  x -7 =0

     x = -2  ;            x  = 7

Homework due at 12:00 I need HELP. Please!!!

Answers

1= 130 yards

2= 55 yards

3= 25

please help, thanks if you do (will mark brainliest)

Answers

(4,9) is the answer!!!

Find the difference
(4y+3)-(y-2)
need it quick

Answers

Answer: 3y+5

Step-by-step explanation: 4y+3−(y−2)

4y+3+−1(y−2)

4y+3+−1y+(−1)(−2)

4y+3+−y+2

(4y+−y)+(3+2)

3y+5

12 out of the 50 U.S. states have names that start with a vowel. What percentage of U.S. states' names start with a vowel

Answers

Answer:

24% of the U.S. states have names that start with vowels

Step-by-step explanation:

12 ÷ 50 = 0.24

0.24 × 100 = 24%

Answer:

24 % of the U.S. states' names start with a vowel

Step-by-step explanation:

12 out of 50 vcan be written in math terms as;

12 / 50 which equals the decimal form of a percent as shown;

12 / 50 = 0.24

which in percent form is: 24 %

Find the missing length.
C =
✓ [?]
C
1
8
Pythagorean Theorem: a? + b2 = c2
Enter

Answers

Answer: [tex]\sqrt{65}[/tex]

Step-by-step explanation:

[tex]a^2+b^2=c^2\\1^2+8^2=c^2\\65=c^2\\c=\sqrt{65}[/tex]

Whats a real life situation that can be described by the linear function y = 20x + 150.

Answers

Answer:

Step-by-step explanation:

When working you earn a wage of $150 and then an additional 20 for each item you sell

Jack decides to invest $300 per quarter into an annuity. How long would he have to keep investing if the annuity is paying 8% annually and he wants to accumulate $10,000?

Answers

Answer:

25.95 quarters which is about 6.5 years

Step-by-step explanation:

Can someone help me with these two problems please?

Answers

Answer:

b

j

................................

Would y^10/y^10 become 1?

Answers

Answer:

yes

Step-by-step explanation:

If you are dividing it will become 1 because 10 minus 10 equals 0. Anything to the power of 0 is 1 then you keep the base which is y so the answer is y

If you are multipling the answer will be y^10  because 10 plus 10 is 20 and you keep the base which is y

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