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V125BC [204]
3 years ago
14

How many way can 4 people line up out of 20?

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
7 0

Answer:

80

Step-by-step explanation:

To do this problem you multiply 20x4 and that answer is 80.

Pani-rosa [81]3 years ago
3 0

Answer:

80

Step-by-step explanation:

20 x 4 = 80

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PLS HELPPP<br> 9.58<br> 10.63<br> 11.56<br> 12.29
agasfer [191]

Answer:

10.63

Step-by-step explanation:

Pythagorean Theorem:

  • Base is 7
  • Height is 8
  • 7^2+8^2=c^2
  • 49+64=c^2
  • 113=c^2
  • √113=c
  • √113 is about 10.63
6 0
3 years ago
there are 7 chimpanzees at the zoo the mother chimpanzee usually has a baby every 4 years how many babies can she have in 28 yea
Finger [1]

Are you saying that every chimpanzee is a mother? If so, then each chimpanzee would have a baby 7 times in 28 years, meaning there would be 49 chimpanzees.

If you mean just one, then only 7 babies in 28 years.

4 0
3 years ago
Selesaikan persamaan linear serentak berikut.<br> 2x + y = -5<br> 3x - 4y = 9
makkiz [27]

Answer:

(-1;-3)

Step-by-step explanation:

\left \{ {{4(2x+y)=4*(-5)} \atop {3x-4y=9}} \right.  \ => \ \left \{ {{8x+4y=-20} \atop {3x-4y=9}} \right. \ => \ \left \{ {{11x=-11} \atop {2x+y=-5}} \right. \ => \ \left \{ {{x=-1} \atop {y=-3}} \right.

8 0
3 years ago
Calculate the slope of the points (2,1) and (3,4). show all your work.
Angelina_Jolie [31]

Answer:

The slope of this line would be 3.

Step-by-step explanation:

To find the slope of any line, use the slope formula and the points given.

m(slope) = (y2 - y1)/(x2 - x1)

m = (4 - 1)/(3 - 2)

m = 3/1

m = 3

3 0
3 years ago
An airplane flies at a constant speed. It can travel a distance (
CaHeK987 [17]
I will be right back to help
7 0
3 years ago
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