Why is this app not working?

Mathematics

2 answers:

Harrizon [31]3 years ago

8 0

What do you mean? People not answering?

Aloiza [94]3 years ago

3 0

Answer:

try restarting it or re downloading

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Choose the equation of the vertical line passing through the point 1,-1

natka813 [3]

A vertical line has the equation of x = a

If the vertical line goes through a certain point, as in this case, then the y value is irrelevant. It can be anything. It is the x value that is the one you need to use.

So the answer is x = 1. This equation has no slope that is defined.

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A hemisphere of radius 4 sits on a horizontal plane. A cylinder stands with its axis vertical, the center of its base at the cen

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Answer:

Sawwekei

Step-by-step explanation:

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3 years ago

100 pints help would be greatly appreciated

Veronika [31]

Answer:

(4, -2) (see attached)

Step-by-step explanation:

Vector addition on a graph is accomplished by placing the tail of one vector on the nose of the one it is being added to. The negative of a vector is in the direction opposite to the original.

<h3>vector components</h3>

The components of the vectors are ...

u = (1, -2)

v = (-6, -6)

Then the components of the vector sum are ...

2u -1/3v = 2(1, -2) -1/3(-6, -6) = (2 +6/3, -4 +6/3)

2u -1/3v = (4, -2)

<h3>graphically</h3>

The sum is shown graphically in the attachment. Vector u is added to itself by putting a copy at the end of the original. Then the nose of the second vector is at 2u.

One-third of vector v is subtracted by adding a vector to 2u that is 1/3 the length of v, and in the opposite direction. The nose of this added vector is the resultant: 2u-1/3v.

The resultant is in red in the attachment.