Apalindromic number is a number that remains the same when its digits are
reversed. find all 4-digit palindromic numbers that can be divided by 7. need ! will reward brainiest answer to best !

0000, 0770, 1001, 1771, 2002, 2772, 3003, 3773, 4004, 4774,

5005, 5775, 6006, 6776, 7007, 7777, 8008, 8778, 9009, 9779

Step-by-step explanation:

A 4-digit palindrome is of the form xyyx, so has the value 1001x +110y. 1001 is divisible by 7, but 110 is not, so y must be divisible by 7. The only two single digit numbers divisible by 7 are 0 and 7.

The numbers you seek are of the form x00x, or x77x, where x is any single digit. The 20 possibilities are listed above.

you need to show us the graph.

step-by-step explanation:

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