Over the past several years, there has been a dramatic increase in obesity rates in the United States. The CDC website noted that approximately 16 out of 100 adults in the United States were obese in 1995.
What was the percentage of adults who were obese in 1995?
O 0.016% of American adults were obese in 1995.
O 6.25% of American adults were obese in 1995.
16% of American adults were obese in 1995,
o 1.6% of American adults were obese in 1995.
0.16% of American adults were obese in 1995.

e) none of the above because the measure of angle cba is 101°

the value of v.w= -12.

step-by-step explanation:

we are given three vector r,v and w as:

r = < 5, -5, -2> ; v = < 2, -8, -8> ; w = < -2, 6, -5>

we know that r,v and w could also be represented as:

r=5i-5j-2k

v=2i-8j-8k

and w= -2i+6j-5k

where i,j and k are the unit vectors of x,y and z-axis respectively.

also we know that it has the following property:

i.i=1 ; j.j=1; k.k=1

and i.=j.i=i.k=k.i=j.k=k.j=0

i.e. when we multiply two vectors or we find it's dot product we need to only multiply the components of x coordinates with each other; y with each other and z with each other.

hence, v.w= (2i-8j- -2i+6j-5k)

                  = 2×(-2)+(-8)×(6)+(-8)×(-5)

                  = -4-48+40

                  = -12

hence, v.w= -12

x=6 and x=3

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