2 years ago

PLSSSSSHELP!!! the image is attached

Mathematics

1 answer:

mamaluj [8]2 years ago

6 0

I can’t see the picture

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Simplify 5x + 3y - 2x

Blababa [14]

It is 5x+y . i think so

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2 years ago

A person walked x feet and half that length again

hjlf

Answer:

3/2x

Step-by-step explanation:

x feet and half x = x+1/2x or 3/2x

Hope this helps plz hit the crown :D

4 0

2 years ago

Plz read the question then ANWSER then tell me what u did, to get the amwser/ how u did it

pshichka [43]

Answer:

Step-by-step explanation: use Triangle formula Area= 1/2xbxh

1/2x6x6=18

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3 0

3 years ago

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Show that if u+v and u-v are orthognal, then the vectors u and v must have the same length.

pashok25 [27]

Answer with Step-by-step explanation:

We are given that

u+ v and u-v are orthogonal

We have to prove that u and v must have the same length.

When two vector a and b are orthogonal then

$a\cdot b=0$

By using the property

$(u+v)\cdot (u-v)=0$

We know that

$(a+b)\cdot (a-b)=\mid a\mid^2-\mid b\mid^2$

$\mid u\mid ^2-\mid v\mid^2=0$

$\mid u\mid^2=\mid v\mid^2$

Magnitude is always positive

When power of base on both sides are equal then base will be equal

Therefore,

$\mid u\mid=\mid v\mid$

Hence, the length of vectors u and v must have the same length.

5 0

3 years ago

1/9(-9x+18)-1/5(10+15x)

garri49 [273]

Answer:

-4x

Step-by-step explanation:

5 0

2 years ago

￼PLSSSSSHELP!!! the image is attached

PLSSSSSHELP!!! the image is attached