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yKpoI14uk [10]
3 years ago
14

Question 1 Evaluate the expression. Square root of 9 iready

Mathematics
1 answer:
antoniya [11.8K]3 years ago
8 0

Answer:

3

Step-by-step explanation:

3 squared is 9 which would make 3 the square root of 9

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Point R is at (2, 1.2) and Point T is at (2, 2.5) on a coordinate grid. The distance between the two points is ____. (Input numb
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Answer:

we can see that the x or the first number in both are 2 so there is no distance there, where there is a distance is the y which to find out we can just do 2.5-1.2=1.3

the distance between the two points is 1.3

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What is 5/8 times 28 i need help
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If fifty-seven is added to four times a number, the result is -7. What is the number?
Ierofanga [76]

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x(aka the number) = -16

This is because 4 times -16 = -64, and -64 plus 57 = -7.

Step-by-step explanation:

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Write a few sentences to end Sarah’s story. How many shark teeth did she find? How many shark teeth did John find? How much mone
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3 years ago
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Assume that 13% of people are left-handed. If we select 10 people at random, answer the following questions:
Anastasy [175]

Answer:

0.099, 0.969,0.87,8.3.1.063

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Let X be the left handed people in the sample of 10 people selected.

X is binomial with n=10 and p = 0.13

a)  the probability that there are exactly 3 lefties in the group

=P(x=3) = 10C3 (0.13)^3 (0.87)^7\\= 0.09945\\=0.099

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=E(Y) = np\\= 10(0.83)\\=8.3

d) the standard deviation of the number of right-handers in the group

=\sigma Y = \sqrt{npq} \\=1.063485\\=1.063

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3 years ago
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