2 years ago

Pleassee help me !!!!!

Mathematics

2 answers:

Leokris [45]2 years ago

5 0

Answer:

what what what what what

Alex17521 [72]2 years ago

5 0

Answer:

i will help you but follow me on braily

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PLEASE HELP NOW!!! QRST is a square. Use the properties of a square to find the value of x.

Annette [7]

Answer:

x = 6

Step-by-step explanation:

QRST is a square.

QR = RS (sides of a square are equal)

7x - 10 = 5x + 2

7x - 5x = 10 + 2

2x = 12

x = 12/2

x = 6

7 0

1 year ago

About 6% of the population has a particular genetic mutation. 600 people are randomly selected. find the standard deviation for

Rina8888 [55]

Assume a binomial distribution. Then the mean of the distribution is $np$ , where $n$ is the number of people taken in a sample and $p$ is the probability of the mutation occurring in any given person, and the standard deviation is $\sqrt{np(1-p)}$ . Then in this case, the standard deviation is $\sqrt{600(0.06)(0.94)}\approx5.82$ .