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damaskus [11]
2 years ago
14

What is the probability of tossing a penny and landing on heads 3 times in a row

Mathematics
1 answer:
Rasek [7]2 years ago
4 0

Answer:

Suppose you have a fair coin: this means it has a 50% chance of landing heads up and a 50% chance of landing tails up. Suppose you flip it three times and these flips are independent. What is the probability that it lands heads up, then tails up, then heads up? So the answer is 1/8, or 12.5%.

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A fish tank has 10 goldfish, 6 tetras, 5 snails, and 3 platies. What is the ratio of tetras to platies?
Paladinen [302]

The correct ratio would be 1:9

Hope this helps.

8 0
3 years ago
Jameson collects eggs from his chickens every day. The graph shows the approximate number of eggs Jameson collects over a couple
Aneli [31]

Answer:

B

Step-by-step explanation:

Khan

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8 0
3 years ago
The expression \[\sqrt[4]{16x^2y^7}\] is equivalent to
slava [35]
The solution to the problem is as follows:

<span>4 sqrt(16x^2 y^7) 

Protip: sqrt(abc) = sqrt(a)sqrt(b)sqrt(c). Therefore, 

4sqrt(16x^2y^7) = 4sqrt(16)sqrt(x^2)sqrt(y^7) 

We can deal with sqrt(16); it is equal to 4. 

4(4) sqrt(x^2)sqrt(y^7) 
16sqrt(x^2)sqrt(y^7) 

Next, it is a known fact that sqrt(z^2) is the same as |z|, or the absolute value of z. That means 
sqrt(x^2) = |x| 

16|x| sqrt(y^7) 

Split y^7 as y^6 * y 

16|x| sqrt(y^6 * y) 
16|x| sqrt(y^6) sqrt(y) 
16|x| sqrt([y^3]^2) sqrt(y) 
16|x| |y^3| sqrt(y)
</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
8 0
3 years ago
Solve for x: 5/8=x-1/9<br><br> A. 37/8<br> B. 23/4<br> C. 11/2<br> D. 53/8
Vesna [10]

Answer:

53/72

Step-by-step explanation:

5/8 = x - 1/9

+1/9       +1/9

5/8 + 1/9 = x

9(5/8)  + 8(1/9)

45/72 + 8/72

x= 53/72

8 0
3 years ago
Karen collects 6/7 quart of rainwater. She uses 1/2 of the water to clean her bicycle and uses the remaining water equally for 3
quester [9]
Water collected - 6/7
Water used for cleaning bicycle = 1/2 × 6/7 = 6/14
Water used for each houseplant =>6/14 ÷ 3 = 2/14 = 1/7
3 0
3 years ago
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