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sineoko [7]
2 years ago
10

Question 1 of 10

Mathematics
1 answer:
nordsb [41]2 years ago
3 0

Answer:

B.

Step-by-step explanation: I took the test.

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The original price of the TV was marked down by $75 to a sale price of $325. What was the original price of the TV
timurjin [86]

Answer:

$400

Step-by-step explanation:

Add The two things together

325+75= 400

3 0
3 years ago
A robot can complete 8 tasks in 5/6 hour. Each task takes the same amount of time.
ludmilkaskok [199]

Answer:

A. 6.25

B. Nine tasks

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
8 4/5 - 2/3 - ? = 3 1/10​
Dimas [21]

Answer: 5 1/30

Step-by-step explanation:

8 + 4/5 - 2/3 - 3 - 1/10 = 5 + 1/30

5 0
2 years ago
Find the sum.. -3/2 + 8/5 ​
ICE Princess25 [194]

Answer: 0.1 or 1/10

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
One day, eleven babies are born at a hospital. Assuming each baby has an equal chance of being a boy or girl, what is the probab
Andrews [41]
You only need to consider the situations where 10 or 11 of the babies are girls, then subtract those probabilities from 1.  This will give probability that any other number up to 9 of the babies are girls.

Use binomial theorem.
P(x=k) = (nCk) p^k (1-p)^{n-k}

n = 11
k = 10,11
p = 1/2

P(x=10) = 11 (\frac{1}{2})^{11} = \frac{11}{2048} \\  \\ P(x=11) = 1(\frac{1}{2})^{11} = \frac{1}{2048} \\  \\ P(x \leq 9) = 1 - \frac{11}{2048} - \frac{1}{2048} \\  \\ P(x \leq 9)=\frac{2036}{2048} = \frac{509}{512}
4 0
3 years ago
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