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rewona [7]
3 years ago
9

PLEASE HELP ME!!! I REALLY need it!

Mathematics
1 answer:
sashaice [31]3 years ago
7 0

Answer:

Step-by-step explanation:

The correct answer is B. The reason why is that you want the total number of floors traveled, so putting each number in an absolute value equation puts it as a positive value. 9 + 12 + 5 + 8 = 34 total floors traveled. Hope that helps.

You might be interested in
Which ordered pair is a solution to this equation?2x + 6y = 10<br>(4, 1)(2, 1)(12, 2)(3, 1)
gizmo_the_mogwai [7]
The correct answer is (2, 1). ( I took the test :) )
5 0
4 years ago
A person is standing in the middle of a large plaza. The person randomly takes a step either north, south, east or west and then
ivolga24 [154]

Answer:

distance between 2 and 3 away from the origin (0,0)

Step-by-step explanation:

I tried this as a simulation.

Let y = a random number.

for x := 1 to 1000 do begin

for y := 1 to 5 do begin

a := random(4)+1;

if a := 1 then v:= v +1           That is he's going north

if a:=  2 then v:=v - 1           That is south

if a:= 3 then h := h + 1         west

if a :=4 then h :h - 1             east

end;

end;

I am running a thousand simulations  

This not my actual coding. I'm made it so that it runs 5000 times

You don't have to keep score of the distance until the end.

Most of the time it gives me a distance of between 2 and 3. The quadrants are random The horizontal distance and vertical distance come in at 2 and 3 respectively or -2 and 3 or 2 and - 3 or -2 or -3 etc.

Setting this up as a tree would almost give you as many branches as a tree outside your window.  But you can try drawing it you like. At least one of them.

What are the chances of you going straight east on a run

Wouldn't it be 1/4 * 1/4 * 1/4 * 1/4 * 1/4 = 1/1024 = 0.000976

Now imagine the tree branch for this. There are over 1000 branches that it could take.

So five steps going east would be  -1 + -1 + -1 +-1 + - 1 = - 5 = h

Vertical = 0

Running this simulation occasionally does give 0.

6 0
3 years ago
Find the length of side BC.<br> Give your answer to 3 significant figures.<br> C<br> A<br> 71°<br> B
Vikki [24]

Answer:

BC ≈ 19.4 cm

Step-by-step explanation:

using the cosine ratio in the right triangle

cos71° = \frac{adjacent}{hypotenuse} = \frac{AB}{BC} = \frac{6.3}{BC} ( multiply both sides by BC )

BC × cos71° = 6.3 ( divide both sides by cos71° )

BC = \frac{6.3}{cos71} ≈ 19.4 cm ( to 3 sig. figs )

4 0
2 years ago
Read 2 more answers
Clay can run one lap around the track in 1/4 of an hour. How many hours will it take him to run 5 1/3 laps around the track?
Jet001 [13]

Answer: It will take him 1 hour and 35 min

8 0
3 years ago
You might need:
Sergio [31]

Answer: 0.6

Step-by-step explanation:

7 0
3 years ago
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