Pls answer urgent now maths
2 answers:
Answer: 12
Step-by-step explanation: To find the missing length, all we need to do is divide the known length by the area:
44 ÷ 3 2/3
We need to convert this mixed number to an improper fraction. Remember, multiply the whole number by the denominator, then add the numerator to your product (the denominator stays the same):
3 × 3 = 9
9 + 2 = 11
11/3
Now, we divide:
44 ÷ 11/3
Keep the first number, flip the second fraction, and change the sign:
44 × 3/11 = 12 m^2
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Answer:
The probability that all three have type B+ blood is 0.001728
Step-by-step explanation:
For each person, there are only two possible outcomes. Either they have type B+ blood, or they do not. The probability of a person having type B+ blood is independent of any other person. So we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
The probability that a person in the United States has type B+ blood is 12%.
This means that
Three unrelated people in the United States are selected at random.
This means that
Find the probability that all three have type B+ blood.
This is P(X = 3).
The probability that all three have type B+ blood is 0.001728