Pls help. im have such a bad day.

2 answers:

8 0

Answer:

Step-by-step explanation:

Sindrei [870]4 years ago

4 0

Yes I’m gonna day b too

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Crank

Answer:

i have no idea

Step-by-step explanation:

3 0

3 years ago

Strike441 [17]

x(x-20)=640

Hope that helps!

5 0

3 years ago

Vera_Pavlovna [14]

An expression equivalent is the

8 0

3 years ago

8_murik_8 [283]

1/2 based times height

6 0

3 years ago

Brilliant_brown [7]

Dot product is
a*b = |a|*|b|*cosα.
In our case
u*u =|u|*|u|*cos 0
u*u =|u|*|u|
12=|u|²
|u|=√12=√(4*3)=2√3
Answer: D. 2√3

5 0

4 years ago