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svetlana [45]
3 years ago
7

When flipping a coin three times, what is the probability of landing on heads all three times?

Mathematics
1 answer:
kodGreya [7K]3 years ago
8 0
A coin has 2 sides....heads and tails....so the probability of it landing on heads is 1/2....the same as the probability of it landing on tails is 1/2.

Therefore, the probability of it landing on heads on 1 coin flip is 1/2.

so the probability of it landing on heads on 3 coin flips is :
1/2 * 1/2 * 1/2 = 1 / 8 <==
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The value of 7 rounded to the nearest hundredth
erma4kov [3.2K]

Answer: 9.22

Step-by-step explanation:

2^2 + 9^2 = C^2

4+81=C^2

85=C^2

(square root both sides)

C=9.219544

C=9.22

3 0
3 years ago
25. On a farm, there are c cows and 15
vekshin1

Answer:b because if there is 4 more sheep than cows just subtract 4 and you get the number of cows

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need help ASAP...
Leona [35]
Length = 6.25 feet

Your dad is designing a new garden for your
backyard. He has 20 feet of fencing to go
around the garden.
Let the width is X.
Length is 2 1/2 feet longer than the width i.e. (×+2 1/2) = (×+2.5) feet Perimeter = 20 feet
2(1+b) = 20
(I+b) = 10
(x+2.5+x) = 10
2x+2.5 = 10
2x = 7.5
x = 3.75 feet
Length = (x+2.5)
= (3.75+2.5)
= 6.25 feet
So, the length of the garden is 6.25 feet.
4 0
2 years ago
Read 2 more answers
Use properties to evaluate the expression. (19 + 28) + 21 A. 48 B. 58 C. 68 D. 89
denpristay [2]
C. 68

Hope I helped!!
Giving me brainliest answer helps me a great deal =)
8 0
4 years ago
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Add parentheses to the following equation to make it true.<br><br> <img src="https://tex.z-dn.net/?f=12%2A2-3%2B4%2A2%3D-4" id="
jek_recluse [69]

Answer:

12 * (2 - 3) + (4 * 2)

Step-by-step explanation:

Follow PEMDAS for the given answer.

PEMDAS is the order of operation, and is:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction.

Reverse solve the answer so that the result is the question.

First, solve the parenthesis:

12 * (2 - 3) + (4 * 2)

12 * (-1) + 8

Next, multiply 12 and -1 together:

12 * -1 = -12

Finally, add:

-12 + 8 = -4

12 * (2 - 3) + (4 * 2) is your answer.

~

5 0
3 years ago
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