3 years ago

Someone please help as soon as possible

Mathematics

1 answer:

olga_2 [115]3 years ago

4 0

Answer:i believe it is the first answer

Step-by-step explanation:

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How long should a person take to travel 2000m at an average speed of 5m/s

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Answer:

400

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Read 2 more answers

Find a parametrization of the line in which the planes x + y + z = -6 and y + z = -8 intersect.

rewona [7]

Answer:

L(x,y) = (2,-8,0) + (0,-1,1)*t

Step-by-step explanation:

for the planes

x + y + z = -6 and y + z = -8

the intersection can be found subtracting the equation of the planes

x + y + z - ( y + z ) = -6 - (-8)

x= 2

therefore

x=2

z=z

y= -8 - z

using z as parameter t and the point (2,-8,0) as reference point , then

x= 2

y= -8 - t

z= 0 + t

another way of writing it is

L(x,y) = (2,-8,0) + (0,-1,1)*t

6 0

3 years ago

I've wasted 42 points already. Can someone PLZ just answer my Question and stop wasting my points. PLz, this is due. I need help

Misha Larkins [42]

Step-by-step explanation:

You can put the value of x into the equation to solve for y. Hopes this works.

5 0

2 years ago

Please help with this having trouble keep getting it wrong

olga2289 [7]

Answer:

40?

Step-by-step explanation:

multiply by 2 since 30/15=2

2x20=40

srry if wrong but

hope this helps

take care

8 0

3 years ago