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lawyer [7]
3 years ago
7

8 people are about to board a plane. In how many ways can this be done?

Mathematics
2 answers:
adoni [48]3 years ago
4 0

Answer:

64 ways

Step-by-step explanation:

Marysya12 [62]3 years ago
3 0

Answer:

64

Step-by-step explanation:

If you visualize that 1 person can line up in 8 different ways, by being first in line, second, third, etc. there are 8 possible ways 1 person can line up, so multiply that by the # of people which is 8.

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The lines given by the equations y=4x and y=0.25x are
d1i1m1o1n [39]

They are not parallel because the slopes are different (slope of 4 and slope of 0.25)

Neither are they perpendicular. If they were then m1*m2  ( the product of their slopes) would be -1 ). The product of these slopes = 4*0.25 = 1)

So choice  A is the correct one.


6 0
3 years ago
Plz help answer fast
spayn [35]

Answer:

d because it does not looks somlar

5 0
2 years ago
Read 2 more answers
I need to know how to solve this
kirza4 [7]
No solution, the answer is no solution
5 0
3 years ago
PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
mash [69]

Answer:

(-6,9,-3)

Step-by-step explanation:

-3x -y +z=6

-3x-y+3z =0

x-3z =3

Multiply the second equation by -1

-1 *(-3x-y+3z) =0*-1

3x +y -3z =0

Add this to the first equation

-3x -y +z=6

3x +y -3z =0

----------------------

0 + 0 + -2z = 6

Divide by -2

-2z/-2 = 6/-2

z = 6/-2

z=-3


Take the third equation to find x

x-3z=3

x-3(-3) = 3

x+9=3

Subtract 9 from each side

x+9-9 =3-9

x=-6

Now we need to find y

3x +y -3z =0

3(-6) +y -3(-3) =0

-18 +y +9=0

-9+y =0

Add 9 to each side

-9+9+y = 0+9

y=9

(-6,9,-3)

3 0
3 years ago
Read 2 more answers
PLEASE HELPPP I WILL MARK BRAINLIEST
alexira [117]

Answer:

8,13,18

Step-by-step explanation:

n=1

8+5(0)=8

n=2

8+5(1)=13

n=3

8+5(2)=18

4 0
3 years ago
Read 2 more answers
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