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DIA [1.3K]
2 years ago
8

Your favorite breakfast cereal contains a toy dinosaur in each box. There are four different dinosaur toys in the complete colle

ction, and each one has an equal chance of being in each box.
You want to figure out what the probability is that you will get more than one tyrannosaurus rex if you buy five boxes of cereal. Which experiment could be used to simulate this situation?
A) You flip a coin 5 times and record the number of times you get tails. You do 10 trials of the experiment, then calculate the percentage of trials that resulted in 2 or more tails.
B) You draw 5 cards from a deck of cards and record how many spades you get. You do 10 trials of the experiment, then calculate the percentage of trials that resulted in 2 or more spades.

C) You spin a 5-color spinner 4 times and record how many times you get a blue. You do 10 trials of the experiment, then calculate the percentage of trials that resulted in 2 or more blue spins.
D) You put 5 different colored marbles in a bag. You draw 4 marbles out and record how many are red. You do 10 trials of the experiment, then calculate the percentage of trials that resulted in 2 or more red marbles.
Mathematics
1 answer:
Eduardwww [97]2 years ago
5 0

Answer:

The correct answer on USATestprep is B.

Step-by-step explanation:

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What is the common ratio of the following geometric sequence 5/12, 1/4,3/20,9/100,27/500
suter [353]

Answer:

3/5

Step-by-step explanation

Ratio =second term divided inti first term a2/a1

a1=5/12      a2=1/4

1/4: 5/12  is the same as      1/4*12/5 =12/20 = 3/5

5/12*3/5 = 15/60 = 1/4

1/4* 3/5 =3/20

3/20*3/5 =9/100

9/100 *3/5 = 27/500..........

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2 years ago
How do you find the area and perimeter of a rectangle. And how do you find the area and perimeter of a square?
cupoosta [38]

Answer:

The perimeter of a rectangle is P = 2 b + 2 h , where is the base (or width) and is the height (or length). If a rectangle is a square, with sides of length , the formula for perimeter is P s q u a r e = 2 s + 2 s = 4 s and the formula for area is A s q u a r e = s ⋅ s = s 2

Step-by-step explanation:

5 0
2 years ago
F(x)=(x-4)(x+2) i need help
Westkost [7]

Answer:

x^2 - 2x - 8

Step by step explanation:

Distribute the x as well as the -4  

x * x = x^2

x * 2 = 2x

-4 * x = -4x

-4 * 2 = -8

Combine all the like terms, which means terms with the same variable or regular integers must be either added or subtracted amongst each other.

2x + -4x = -2x

The final answer after combining all the like terms is

x^2 - 2x - 8

7 0
3 years ago
Regular hexagon ABCDEF is shown below. Find the measure of angle x.
Aleks [24]

Answer:

ANSWER: 30

ANGLE BCD IS MADE UP OF 180 DEGREES ANGLE C IS 120 AND SINCE THE ENTIRE ANGLE IS 180 AND C AND D IS CONGRUENT AND 60 DEGREES IS LEFT WE DIVIDE BY 2 TO FIND OUR ANSWER OF 3O

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tigry1 [53]

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Yes, 2 is a rational number.

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