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ki77a [65]
3 years ago
11

Anyone here wanna talk about random stuff?

Mathematics
1 answer:
amid [387]3 years ago
5 0

Answer:

sure, ill start

Step-by-step explanation:

She danced like a swan, tall and graceful. Soak the cloth and drown the sharp odor.

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2 3/4 - 3/7<br><br> 10 points
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Answer:

It only gives five points.

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Item 10
vfiekz [6]

Answer:

21 Students

Step-by-step explanation:

140 x .15 = 21

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3 years ago
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
Please answer the answer correctly
Tju [1.3M]

Answer:

From (-3,0) to (3,2) the equation is y=1/3x + 1 and the other side from (3,1) to (4,-1) is y= -3x + 11

Step-by-step explanation:

Thanks for helping me with the other one

7 0
3 years ago
The formula
Tasya [4]

Answer

the answer is P=7.8

Step-by-step explanation:

P=14.7e           -0.21x

X=14.7e      (-0.63)

take the natrual log of both sides

1n(P)=1n(14.7e(-.63)

1n(P)=1n(14.7)-.63

(because ln(e^a) = a)

1n(P)=2.688 - .63

1n(P)=2.058

P=e       2.058

P=7.8

3 0
3 years ago
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