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dangina [55]
2 years ago
5

Exam

Mathematics
1 answer:
MrRissso [65]2 years ago
3 0

Answer:

B. 1/9 cuz it's just saying y is 1/9 of x

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Joe and Maxine are playing a game where they flip a fair coin four times and try to predict the outcomes. Joe thinks that the pr
timofeeve [1]

Answer: Joe is right, the probability of getting exactly two heads in the four flips is greater than the probability of getting heads on both the first and second flips.

Step-by-step explanation:

First creating a sample space :

HHHH, HHHT, TTHT, HTTH, THHH, TTTT, TTTH, TTHH, HTHH, HTTT, HHTT, THTH, HHTH, THTT, HTHT, THHT

A fair coin (H - HEAD, T - TAIL)

Probability = (required outcome / possible outcome)

Probability getting exactly two heads in first four flips:

= 6/16 = 3/8

Probability of getting head on both the first and second flips :

= 4/16 = 1/4

Therefore Joe is right, the probability of getting exactly two heads in the four flips is greater than the probability of getting heads on both the first and second flips.

8 0
3 years ago
Read 2 more answers
A sea lion dove from the water's surface at sea level to an altitude of −216.12 meters in 2.4 minutes.
Valentin [98]
Hello,


The answer to this problem is -90.05.


Hope this helps
4 0
3 years ago
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Could you write 378972 with commas
horsena [70]
Yes, and it would be 378,972

Explanation:
3 0
2 years ago
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BRAINLIEST ANSWER!!
Maksim231197 [3]

Answer:

1. 30(8.75) + 11t = 400

2. 12.5 hours

Step-by-step explanation:

1. What is given is you work for 30 hours per week at a gas station for $8.75 an hour. You also work as a landscaper for $11 an hour. You want to a make a total of $400 per week.

30 hours and $8.75 an hour would be equivalent to 30(8.75)

We don’t know how many hours you work as a landscaper but you earn $11 an hour, which is equivalent to 11t

Finally, you want to earn a total of $400 a week, which means the sum equals 400

30(8.75) + 11t = 400

2. 30(8.75) = 262.5

400 - 262.5 = 137.5

137.5 / 11 = 12.5

7 0
3 years ago
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The sum of a number and twice its reciprocal is 27/5. Find<br>the number.​
vovangra [49]

Answer:

x  , reciprocal= 1/x  

x+2(1/x)=27/5  

x+2/x=27/5  

x^2+2=27/5*x  

x^2-27/5*x+2=0  

(x-5)(x-2/5)=0  

<u><em>x=5, 2/5</em></u>

<u><em></em></u>

6 0
3 years ago
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