Question

Is the line through (4,1,-1) and (2,5,3) perpendicular to the line through (-3,2,0) and (5,2,4)? please justify

Answer 1

Suppose a line through point A and B, a second line through C and D:
U = B-A
V = D-C
if U dot V = 0 then perpendicular, as X dot Y = |X|*|Y|*Cos(t) where t is 1angle between the two vectors

Answer 2

Anime pics :)

Answer 3

Math help, screenshot below.

Answer 4

Using the following information (that i have found), write a paragraph describing Kongo.

Answer 5

Rewrite https://dlap.gradpoint.com/Resz/~0.wyGUGZm7Xm0yUA6.FAfFshpPeB42QfkBEnB0THjVLb7zuMb-ma6Jg2rqYGI/7234256,D8F/Assets/questions/quiz/algebra_2/alg2grad/

Answer 6

check my math

Answer 7

The median age for a first marriage in the United States for women was 25.9 in 2009 and 26.

Answer 8

Check my math please

Answer 9

Math help

Answer 10

Math help

Answer 11

check my answer

Answer 12

Math help

Answer 13

Check my work please

Answer 14

You are a very skilled doctor with five dying patients, each of whom needs a different organ in order to live.

Answer 15

help me, please

Answer 16

You, A Drug Dealer, and A Cop

A drug dealer happens to be wearing the same coat as you.

Answer 17

Match the term with the definition.

Match Term Definition

corresponding parts A

Answer 18

Rebecca202

Answer 19

A solution of ammonia and water contains 1.60u00d71025 water molecules and 6.80u00d71024 ammonia molecules.

Answer 20

Why do prokaryotes not have cell specialization?

Answer 21

Which of the word phrases below could represent 4u00f7m?
A.
the quotient of a number and four
B.