2 years ago

How to tell if vector is unit vector?

1 answer:

7 0

A unit vector is a vector with a magnitude of one and a direction that depends on what is given. A vector specifies both the direction and magnitude different from a scalar quantity which only specifies magnitude not direction. Magnitude refers to the numeric value.

You might be interested in

A nut mixture of peanuts and macadamia nuts at a small fair is $1.00 per pound of peanuts and $3.26 per pound of macadamia nuts.

Salsk061 [2.6K]

Answer:

Step-by-step explanation:

You can infer to the solution of this problem by looking at the choices. Hope this helped :)

7 0

2 years ago

A(r) is a function that gives the area of ta circle with the radius r. It can be written in an equation form as A(r)=3.14r^2. wh

notsponge [240]

A(r)=3.14r^2, when r=5

A(5)=3.14(5^2)

A(5)=3.14(25)

A(5)=78.5 u^2

4 0

2 years ago

1. In trying to decrease the number of overdue books, your school library has revised its system of fines. They are going to giv

il63 [147K]

Answer:

Therefore the correct option is b.) $1.15

Step-by-step explanation:

i) the book is 10 days late

ii) there is one day grace

iii) on the second day there is a fine of $0.25

iv) on the third day there is a fine of $0.20

v) for each of the remaining 7 days there is a fine of $0.10 for each day

therefore the total fine for the remaining seven days is = 7 $\times$ $0.10 =

$0.70

vi) therefore the total fine for the book is = $0.25 + $0.20 + $0.70 = $1.15

Therefore the correct option is b.) $1.15

5 0

3 years ago

Can someone help me with this

Over [174]

I think the answer is D, because P is the new price, n is the original price, then you multiply 0.25 by the original price and then subtract it by the original price.

5 0

3 years ago

give two examples that show how using parentheses can change the order in which operations are performed in an expression.

erica [24]

Parenthesis indicate which part of the equation is to be done first, see PEMDAS. For example, 3(5-2)-4=5, but 3*5-(2-4)=17

5 0

3 years ago

Read 2 more answers