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Ilya [14]
2 years ago
5

3×=18 what the answer to this problem

Mathematics
2 answers:
Luden [163]2 years ago
7 0

Answer:

x=6

Step-by-step explanation:

Divide both sides by 3

lukranit [14]2 years ago
5 0

Answer:

x = 6

Step-by-step explanation:

To find the answer, we must divide 18 by 3. When we do that, we get 6, meaning that x is equal to 6.

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A procedure has an 81% success rate. The procedure is tried on 12 patients what is the probability that at least 8 patients show
Nesterboy [21]

The probability that at least 8 patients show improvement is; 0.94

<h3>How to use Binomial Probability Distribution?</h3>

The formula for Binomial Probability Distribution is;

P(X = r) = nCr * p^(r) * (1 - p)^(n - r)

where;

n = number of trials

r = number of specific events you wish to obtain

p is  probability of success

From the question, we have;

n = 12

r = 8

p = 81% = 0.81

The probability that at least 8 patients show improvement is expressed as;

P(X ≥ 8) = P(X = 8) + P(X = 9) + P(X = 10) + P(X = 11) + P(X = 12)

Using online binomial probability calculator gives us;

P(X ≥ 8) = 0.11954 + 0.22649 + 0.28967 + 0.22453 + 0.07977

P(X ≥ 8) = 0.94

Read more about Binomial Probability Distribution at; brainly.com/question/15246027

#SPJ1

8 0
2 years ago
Find the area of this rectangle
Rudiy27

Answer:

A = 8/35 m^2

Step-by-step explanation:

The area of a rectangle is given by

A = l*w

A = 2/5 * 4/7

A = 8/35 m^2

4 0
2 years ago
Which of the following notes is G?
liraira [26]

Answer:

D

Step-by-step explanation:

PLEASE MARK ME AS BRAINLIEST AND HAVE A NICE DAY :)

8 0
2 years ago
P = a + (n - 1)b, for b
sweet [91]
The answer is b=P-a-(n+1) all you had to do was the a and the parenthesis from the b and put it on the other side
5 0
3 years ago
Read 2 more answers
Q + 5/9= 1/6 from big ideas mathbook
Alika [10]
9We have such eqation
Q+ \frac{5}{9} = \frac{1}{6}    /*9   (multiply both sides by 9)
9Q+5=\frac{9}{6}    /-5 both sides
9Q=\frac{9}{6}- 5
9Q=\frac{9}{6}- \frac{5*6}{6}
9Q=\frac{9-30}{6}
9Q=-\frac{21}{6}        /:9 divide both sides by 9
Q=-\frac{21}{6}:9
Q\frac{21}{6*9} =- \frac{21}{54}=[tex] \frac{7}{18} - its the answer
6 0
2 years ago
Read 2 more answers
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