HELP What is the value of p?

Mathematics

1 answer:

Pepsi [2]3 years ago

6 0

Answer:

90 or 85

Step-by-step explanation:

it is a right angle, and all the sides must add up to 180 degrees so yes, 85, im pretty sure.

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The ages of members of an online gaming group are normally distributed with a mean of 23 years and a standard deviation of 4 yea

Lelechka [254]

To get the number of members between 15 years and 30 years we proceed as follows:
z=(x-μ)/σ
where:
mean,μ=23
standard deviation, σ=4 years
thus
P(15<x<31)
when x=15
P(x<15)
z=(15-23)/4
z=-2
thus
P(x<15)=P(z<-2)=0.0228

when x=31
z=(31-23)/4
z=2
thus
P(x<31)=P(z<2)=0.9772
Hence:
P(15<x<31)=0.9544
hence the number of members between that age was:
0.9544×300
=286.32 people
~285 People
Answer: 285 people

5 0

4 years ago

(-1)^2 × (-1)^3 × (-1)^5

____ [38]

Answer:

Step-by-step explanation:

(-1)^2 = 1

(-1)^3 = -1

(-1)^5 = -1

(1) (-1) (-1) = 1

3 0

3 years ago