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natulia [17]
3 years ago
9

What is the reasons for isosceles triangle theorem

Mathematics
1 answer:
podryga [215]3 years ago
8 0
By the isosceles triangle theorem the two angles opposite the equal sides are themselves equal while if the third side is different then the third angle is different.
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The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes
mixer [17]

Answer:

0.02275

Step-by-step explanation:

We have been given that the time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. We are asked to find the probability of completing the exam in one hour or less.

We know that 1 hour equals 60 minutes. First of all, we will find the z-score corresponding to 60 minutes.  

z=\frac{x-\mu}{\sigma}

z = z-score,

x = Sample score,

\mu = Mean,

\sigma = Standard deviation.

z=\frac{60-80}{10}

z=\frac{-20}{10}

z=-2

Now, we will use normal distribution table to find area under z-score of -2 as:

P(z< -2)

P(z< -2)=0.02275

Therefore, the probability of completing the exam in one hour or less is 0.02275.

7 0
3 years ago
Pls help me find v,w,x,y, and z pls help me I will mark u brainlest
Eduardwww [97]

Answer:

v 39 degree

z 47 degree

x 94 degree

sry don't know about w and y....

4 0
3 years ago
I need help finding functions​
velikii [3]

Answer:

  1. y= 7
  2. y= -3
  3. y= -4
  4. y= -8

Step-by-step explanation:

y= -5x+1

=-5.-1+1

=7

Now you can do this method

3 0
3 years ago
Triangle with a height of 25 feet and base of 12 feet. What is the area of the triangle?
Dafna1 [17]

Answer:

150 ft

Step-by-step explanation:

triangle area formula= (b*h)/2

25 time 12 is 300. divide 300 by 2 and get 150.

3 0
3 years ago
Read 2 more answers
Please help quick im so confused
vesna_86 [32]

Answer:

(-5/2,-4)

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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