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Ostrovityanka [42]
3 years ago
11

What are the angles and sides of this 15°-75°-90° triangle?

Mathematics
1 answer:
ipn [44]3 years ago
6 0
I think its called scaleines triangle
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As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. If the true percenta
tresset_1 [31]

Answer:

The probability is 0.057797

Step-by-step explanation:

Consider the provided information.

It is given that true percentage of voters who vote for the proposition is 63%,

Let p is probability of success.

According to the binomial distribution:

P(x;p,n)=^nC_x(p)^x(1-p)^{(n-x)}

Substitute n=7, p=0.63 and x=2 in the above formula.

P(x;p,n)=^7C_2(0.63)^2(1-0.63)^{(7-2)}

P(x;p,n)=\frac{7!}{2!5!}(0.3969)(0.37)^{5}\\P(x;p,n)=21(0.3969)(0.37)^{5}\\P(x;p,n)=0.0577974947199\\P(x;p,n)\approx0.057797

Hence, the probability is 0.057797

8 0
3 years ago
Please help!!!!!
Art [367]
The answer to the question is a
6 0
3 years ago
In 90 minutes, John can run 30 laps around the track. Determine the number of laps he can run per hour.
GrogVix [38]

Answer:

in 90 minutes he ran 30 laps

there is 60 minutes in a hour so the fraction would be

2/3 so we have to multiply this by 30

2/3*30=20

He can run 20 laps in a hour

Hope This Helps!!!

4 0
3 years ago
2/3(x-7)= -2 solve for y
Ksju [112]
Maybe you meant solve for x?
If so, the answer is 4
5 0
3 years ago
What is nine minus x is greater than ten
Ganezh [65]
This can be written as:
9-x>10
-x>1 (subtract 9 from both sides)
x<-1 (divide both sides by -1 and change the inequality sign)

Hope this helps
8 0
3 years ago
Read 2 more answers
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