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2 years ago

Find Endpoint from Midpoint and Endpoint

Mathematics

1 answer:

erastova [34]2 years ago

5 0

Answer:

The endpoint, B, is (-7, -8)

Step-by-step explanation:

When I get a problem like this, the first thing I like to do is find the difference between the midpoint and the starting point.

In this problem it would be -5 - -3 = -2 and -2 - 4 = -6.

(-2, -6) is what will help us find the endpoint.

Take the midpoint, (-5, -2), and add those coordinates to it.

-5 + -2 = -7

-2 + -6 = -8

So our endpoint is (-7, -8)

Here is a graph, to help you visualize it.

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The volume of a sphere is 4/3pi cm^3<br> what is the diameter of the sphere?

aleksandrvk [35]

The Diameter of sphere is 2cm.

Step-by-step explanation:

Given,

Volume of sphere = $\frac{4}{3}\pi \ cm^3$

Let,

diameter = d

As we know,

Volume of sphere = $\frac{4}{3}\pi \ r^3$

Therefore,

$\frac{4}{3}\pi\ r^3 = \frac{4}{3}\pi \\Multiplying\ both\ sides\ by\ \frac{3}{4\pi }\\\frac{3}{4\pi }*\frac{4}{3}\pi \ r^3 = \frac{4}{3}\pi * \frac{3}{4\pi }\\r^3=1\\(r)^3=(1)^3\\r=1$

We know that,

Diameter = 2r

Diameter = 2*1

Diameter = 2 cm

The Diameter of sphere is 2cm.

Keywords: Volume, Diameter

Learn more about diameters at:

#LearnwithBrainly

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3 years ago

Sticks and stones may break my bones but?

sammy [17]

Answer:

Are singing that one song

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Write an indirect proof showing that the diagonals of a parallelogram intersect each other

____ [38]

Its an indirect proof, so 3 steps :-
1) you start with the opposite of wat u need to prove
2) arrive at a contradiction
3) concludeReport · 29/6/2015261
since you wanto prove 'diagonals of a parallelogram bisect each other', you start wid the opposite of above statement, like below :- step1 : Since we want to prove 'diagonals of a parallelogram bisect each other', lets start by assuming the opposite, that the diagonals of parallelogram dont bisect each other.Report · 29/6/2015261

Since, we assumed that the diagonals dont bisect each other,
OC≠OA
OD≠OBReport · 29/6/2015261
Since, OC≠OA, △OAD is not congruent to △OCBReport · 29/6/2015261

∠AOD≅∠BOC as they are vertical angles,
∠OAD≅∠OCB they are alternate interior angles
AD≅BC, by definition of parallelogram
so, by AAS, △OAD is congruent to △OCBReport · 29/6/2015261
But, thats a contradiction as we have previously established that those triangles are congruentReport · 29/6/2015261
step3 :
since we arrived at a contradiction, our assumption is wrong. so, the opposite of our assumption must be correct. so diagonals of parallelogram bisect each other.

4 0

3 years ago

Which expression equals 93102

Karo-lina-s [1.5K]

Answer:

you got this

Step-by-step explanation:

goodluck

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3 years ago

12:35 on Sunday.

Neporo4naja [7]

Answer:

See attached

Step-by-step explanation:

Triangle CDE translated 3 units up and reflected over line l into triangle C'D'E'

8 0

3 years ago