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pochemuha
4 years ago
7

The combination lock has three wheels, each numbered from 0 to 9. What is the probability that someone randomly guesses the corr

ect combination in one attempt?
Mathematics
1 answer:
Karolina [17]4 years ago
5 0
Since it is not mentioned in the problem, we will assume that repeating of number is allowed.
For the first wheel, you have 10 possible digits.
For the second wheel, you have 10 possible digits.
For the third wheel, you have 10 possible digits.
10 x 10 x 10 = 1000
The probability that someone randomly guesses the correct combination in his first attempt is 1/1000.

If this was without repeat, then 
10*9*8 = 720
The probability that someone randomly guesses the correct combination in his first attempt is 1/720.
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What's an equation that represents the number of teaspoons, t, contained in a cup, C?
strojnjashka [21]

Answer:

Step-by-step explanation:

t=C/ c

C=quantity in a cup

c=quantity in a teaspoon

5 0
3 years ago
Please help! Will give Brainliest!!
Valentin [98]

Answer:

$133507.33

Step-by-step explanation:

x = number of 6 month periods

y = total money in account

After 10 years:

y = 300x(1.09)^x

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y = 6000(5.60441077)

y = 33626.46

After 18 years:

y = 33626.46(1.09)^x

y = 33626.46(1.09)^1^6

y = 33626.46(3.97030588)

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6 0
3 years ago
A man whose height is 2.1 m casts a shadow that is 3.2 m in length. What is the approximate height of a building that casts a sh
Colt1911 [192]

Answer:

ok so first

2.1 divided by 3.2 =0.65625

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So the answer is B

Hope This Helps!!!

6 0
3 years ago
Can someone help me with these two or at least explain it pls
Bad White [126]

A withdrawal from an account means taking money out of your account. That means whatever money you have in there becomes a smaller amount because you're subtracting money from the account.

So, to work out how much money Jan withdrew as a negative sum, you just have to look at how much she took out:

-25 - 45 - 75 = -$145

This means Jan took out $145 from her account, and we write it with a negative sign because it's money that's going to be taken away from whatever's in there.

The same thing applies to Julie:

-35 - 55 - 65 = -$155

Julie took out $155 from her account, so her withdrawals were -$155.

Therefore, your final answer for 24a. is -$145 and your answer for 24b. is -$155.

7 0
3 years ago
I need help please<br><br> I need help please<br><br> I need help please
harina [27]

Answer:

0,0 which is the origin.

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2 years ago
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