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charle [14.2K]
2 years ago
11

Help me plz plz help plz!!!!

Mathematics
1 answer:
Andrei [34K]2 years ago
3 0

Answer:

5×3+5×w

Step-by-step explanation:

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PLEASE HELP FAST
skad [1K]

Answer:

The unit vector u is (-5/√29) i - (2/√29) j

Step-by-step explanation:

* Lets revise the meaning of unit vector

- The unit vector is the vector ÷ the magnitude of the vector

- If the vector w = xi + yj

- Its magnitude IwI = √(x² + y²) ⇒ the length of the vector w

- The unit vector u in the direction of w is u = w/IwI

- The unit vector u = (xi + yj)/√(x² + y²)

- The unit vector u = [x/√(x² + y²)] i + [y/√(x² + y²)] j

* Now lets solve the problem

∵ v = -5i - 2j

∴ IvI = √[(-5)² +(-2)²] = √[25 + 4] = √29

- The unit vector u = v/IvI

∴ u = (-5i - 2j)/√29 ⇒ spilt the terms

∴ u = (-5/√29) i - (2/√29) j

* The unit vector u is (-5/√29) i - (2/√29) j

8 0
3 years ago
Giving brainliest <br><br><br> C<br> Plz help
Vitek1552 [10]

Answer:

D. 42

Step-by-step explanation:

Base = 10+4 (ft)

10+4 = 14

Height = 3

14 x 3 = 42

4 0
2 years ago
Using the distributive property to find the product (y — 4)(y2 + 4y + 16) results in a polynomial of the form y3 + 4y2 + ay – 4y
klio [65]
I got a =16.
Hope this helps! :D
4 0
3 years ago
Read 2 more answers
Which set of measures would give a clear conclusion about the data. Help please.
adell [148]
<h2>We need more details for this question. We may not understand it because we could not see the data.</h2>

8 0
3 years ago
The solution to a system of two linear equations is x = 3: y = 9. How could the intersection of the graphs of the two equations
Fynjy0 [20]
C because x is positive so it moving right and y is positive so it moves up
7 0
3 years ago
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