MATHEMATICS HIGH SCHOOL

 how many different 10 letter words (real or imaginary) can be formed from the following letters?

K,Y,T,G,W,C,Y,D,A,A

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Answer 1
Answer:     The # of ten letters words that can be formed   =       10! =   907,200                                                                                             2!2!    factorial    10! means      >      10 . 9 .8 .7 .6 .5 .4 .3 .2 .1     hench there are     907,200 ways



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I don't understand what you are asking

The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds. From the data, we can conclude that the number of men weighing more than 165 pounds is... and the number of men weighing less than 135 pounds is....

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The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds. From the data, we can conclude that the number of men weighing more than 165 pounds is beyond the mean weight of 1000 men and the number of men weighing less than 135 pounds is less than the mean weight of 1000 men.

What is the perimeter of triangle ABC with vertices A(-1,-2), B(2,-6), and C(-3,-6)?

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find the distance between the points and that is perimiter

find
A to B
B to C
C to A
we need the distance formula
D=\sqrt{(x2-x1)^(2)+(y2-y1)^(2)}
where D is the distance between points (x1,y1) and (x2,y2)

A to B
(-1,-2) to (2,-6)
D=\sqrt{(2-(-1))^(2)+(-6-(-2))^(2)}=5

B to C
(2,-6) to (-3,-6)
since the y value stayed the same, find the distance betwen the x values
2 to -3 is distance of 5

C to A
(-3,-6) to (-1,-2)
D=\sqrt{(-1-(-3))^(2)+(-2-(-6))^(2)}=2√5

add everybody

5+5+2√5=10+2√5 units

Hi! I was putting up a test on other people with this question and i wanted to see if anyone solves this correctly? PLEASE ANSWER ASAP

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Answer:

Assuming the shape is a half-circle, there's two right angles.

Step-by-step explanation:

The angle between the straight segment and the half-circle can be measured by taking a tangent line at the intersection point and it will of course be perpendicular to the straight segment, assuming the segment is the diameter of the circle).

PLEASE HELP ILL MARK Y BRANLIEST!!!

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