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Mumz [18]
3 years ago
14

Use the number line to find (One-fourth) + (negative StartFraction 21 over 8 EndFraction) Negative StartFraction 19 over 4 EndFr

action Negative StartFraction 19 over 8 EndFraction –2 Negative StartFraction 21 over 8 EndFraction
Mathematics
2 answers:
Shalnov [3]3 years ago
4 0

Answer:

-\frac{19}{8}

Step-by-step explanation:

earnstyle [38]3 years ago
3 0

Answer:

<em>-19/8 is the correct answer < 3 </em>

<em>___________________________________________________________</em>

<em>trust me , this is correct :) </em>

<em>___________________________________________________________</em>

<em>have a nice day love < 33 </em>

<em>____________________________________________________________</em>

<em>Brainliest ? ;) </em>

<em>____________________________________________________________</em>

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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
Help! please answer ASAP!
ValentinkaMS [17]
The answer would be 7,6,5,4,3,2,1 inches tall in the chronological order
5 0
3 years ago
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If i can get 3 snapple Iced tea. and its 3 for $6 How would it be if i get 2 snapple Iced tea?
nikklg [1K]

Answer:

4 dollars for 2 drinks (2 dollars for 1 drink)

Step-by-step explanation:

Okay, so you can get 3 snapple drinks from 6 dollars. and you want to know the cost of 2 snapple drinks.

3 ÷ 6 = 2

So 1 drink is 2 dollars, if you wanted to buy 2 drinks the cost would be 4 dollars! Have a great day friend! :D

8 0
2 years ago
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Nataliya [291]
The answers is 4:30 I hope it helps
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3 years ago
What is the vertex of the parabola?<br><br> A. (-1,0)<br> B. (0,-3)<br> C. (1,-4)<br> D. (3,0)
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