The most economic activities were agriculture.
Answer:
The baby passes through the birth canal.
Explanation:
CHILDBIRTH QUIZ ANSWERS Q=question A=answer
1) Q:Delivery of a live baby before the 37th week of pregnancy is called? A:Premature birth
2)Q:Which term refers to the surgical removal of a baby from the uterus? A:Cesarean section
3)Q:During which stage does the doctor normally cuts the umbilical cord?A:Delivery of the baby
4)Q:Which is the first stage of the birthing process? A: Labor
5)Q:Which occurs during the postpartum period? A:The mother experiences hormonal changes
6)Q:Which is a sign of postpartum depression? A:Withdrawing from the baby
7)Q:Which event is part of afterbirth? A:Delivery of the placenta
8)Q:Which situation describes a premature birth? A:A baby is delivered before the 37th week of pregnancy
9)Q:Which occurs during labor? A:Contractions of the uterus get stronger
10)Q:If a couple chooses to have their baby at home, the delivery usually involves? A:A certain nurse-midwife
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Answer:
that's the line, just copy it
Solution. To check whether the vectors are linearly independent, we must answer the following question: if a linear combination of the vectors is the zero vector, is it necessarily true that all the coefficients are zeros?
Suppose that
x 1 ⃗v 1 + x 2 ⃗v 2 + x 3 ( ⃗v 1 + ⃗v 2 + ⃗v 3 ) = ⃗0
(a linear combination of the vectors is the zero vector). Is it necessarily true that x1 =x2 =x3 =0?
We have
x1⃗v1 + x2⃗v2 + x3(⃗v1 + ⃗v2 + ⃗v3) = x1⃗v1 + x2⃗v2 + x3⃗v1 + x3⃗v2 + x3⃗v3
=(x1 + x3)⃗v1 + (x2 + x3)⃗v2 + x3⃗v3 = ⃗0.
Since ⃗v1, ⃗v2, and ⃗v3 are linearly independent, we must have the coeffi-
cients of the linear combination equal to 0, that is, we must have
x1 + x3 = 0 x2 + x3 = 0 ,
x3 = 0
from which it follows that we must have x1 = x2 = x3 = 0. Hence the
vectors ⃗v1, ⃗v2, and ⃗v1 + ⃗v2 + ⃗v3 are linearly independent.
Answer. The vectors ⃗v1, ⃗v2, and ⃗v1 + ⃗v2 + ⃗v3 are linearly independent.
