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sineoko [7]
3 years ago
11

→

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
6 0

Answer:

zero

Step-by-step explanation:

\overrightarrow{u} = \overrightarrow{a} - \overrightarrow{b}\\\\\overrightarrow{v}= \overrightarrow{a} + \overrightarrow{b}\\\\\overrightarrow{u} . \overrightarrow{v} = a^2 - b^2 \\\\\overrightarrow{u} . \overrightarrow{v} = 2^2 - 2^2 = 0

So, vector u and vector v are perpendicular to each other.

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These lines all have an attribute that allows us to classify them as:
marissa [1.9K]

Answer:

parallel

Step-by-step explanation:

no matter how far the lines stretch, they will all never meet, so they are all parallel

4 0
2 years ago
How to solve 3/4+z=5/6
olga55 [171]

3/4+z=5/6

Find the common denominator which is 12 for 3/4 and 5/6.

Multiply by 3 for 3/4.

Multiply by 2 for 5/6.

3(3)/4(3)=9/12

5(2)/6(2)=10/12

9/12+z=10/12

Move 9/12 to the other side. Sign changes from 9/12 to -9/12.

9/12-9/12+z=10/12-9/12

z=1/12

Answer: z= 1/12

5 0
3 years ago
Read 2 more answers
Different sizes of string needs to be cut to go around various shapes. All of the following sizes are in inches.
Brilliant_brown [7]

Answer:

first one

Step-by-step explanation:

6 0
3 years ago
It took María 3 hours to read 120 pages. How many pages can she read in 1 hours at the same rate?​
levacccp [35]

Answer:

40 pages.

Step-by-step explanation:

120/3=40

Maria is reading 40 pages every hour.

6 0
3 years ago
The perimeter of a rectangle is 30 inches. The length of the rectangle is 3 more than twice the width(w). Write an algebraic exp
Neporo4naja [7]
I hope this helps you



length 2w+3



width w




Perimeter=2 (width+length)



30=2 (w+2w+3)


15=3w+3


3w=12


w=4


2w+3=2.4+3=11
4 0
3 years ago
Read 2 more answers
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