MATHEMATICS HIGH SCHOOL

Ten people are entered in a race. If there are no ties, in how many ways can the first three places come out?A. 1440

B. 720

C. 30

D. 132

Answers

Answer 1
Answer: B) 720 different possibilities
Answer 2
Answer:

Answer: (720) is the right answer

Step-by-step explanation:

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What is the GCF and LCM of 8 and 12

Answers

The Greatest Common Factor is 4
(8/2 = 4, 21/2 = 6)
The Lowest Common Multiple is 24
(8x3 = 24, 12x2 = 24)
Hope this helps!
The LCM of 8 and 12 is 24
The GCF of 8 and 12 is 4

How do I solve x+4y=22
-x+5y=23

Answers

{ x + 4y = 22     ( + x - x = 0 )
{ - x + 5y = 23

4y + 5y = 22 + 23
9y = 45
  y = 45 
         9
  y = 5

x + 4y = 22
x + 4 . 5 = 22
x + 20 = 22
x = 22 - 20
x = 2

S = { 2 , 5 }
x+4y=22
-x+5y=23            (+)
9y=45
y=5

x+4*5=22
x=22-20
x=2

4(4x + 3) + 6(2 - x) - 3(2x - 1) = 19

Answers

your answer is -2. 
4(4x+3)+6(2-x)-3(2x-1)=19
4*4x=16x
4*3=12
6*2=12 and 6*x=6x
-3*2x=-6  and -3*-1=-3. then collect
 like term. is long just cant type it but that is your answer
 4(4x + 3) + 6(2 - x) - 3(2x - 1) = 19 the answer would be -2

The points on a number line correspond to

Answers

the points on a number line correspond to; real numbers

What is the length of the radius of a circle with a center at 2 + 3i and a point on the circle at 7 + 2i?

Answers

Hello,

A=2+3i
B=7+2i
AB=B-A=7+2i-(2+3i)=5-i

Radius=√(5²+1²)=√26

Answer:

b. squareroot 26

Step-by-step explanation:

What kind of triangle is drawn below?

Answers

All sides of this triangle are different. No right triangle is here. So, this triangle is scalene.
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Solve for x1:3.6=x:170
Which pair of equations generates graphs with the same vertex?A) y = –(x + 4)2 and y = (x – 4)2 B) y = –4x2 and y = 4x2 C) y = –x2 – 4 and y = x2 + 4 D) y = (x – 4)2 and y = x2 + 4