Question

Which of these is a valid conclusion? (4 points)

All farmers wear straw hats.
My father wears a straw hat.
Therefore, my father is a farmer.
All farmers wear straw hats.
My father does not wear a straw hat.
Therefore, my father is a farmer.
All farmers wear straw hats.
My father is not a farmer.
Therefore, my father wears a straw hat.
All farmers wear straw hats.
My father is a farmer.
Therefore, my father wears a straw hat.

Answer 1

none are necessarily correct

Answer 2

but the last one has more sense than the others

Answer 3

Not all farmers wear straw hats... but in accordance with this particular problem, the last one makes more sense

Answer 4

If its true that
"All farmers wear straw hats. "
and its true that
'My father is a farmer.'

you can conclude that ' , my father wears a straw hat.'

Answer 5

so is it d?

Answer 6

@alikat641 @zzr0ck3r @perl

Answer 7

the premises don't have to be true in fact. the argument is saying *if* the premises are true (suppose there existed such a world), then does the conclusion necessarily follow?

Answer 8

in such a world where the premises true, does the conclusion have to be true as well?

Answer 9

no

Answer 10

in d it does

Answer 11

oh okay so its d?

Answer 12

yes

Answer 13

can u help with a few more?

Answer 14

if its true that all farmers wear hats (in some hypothetical world), and its true that my father is a farmer in this world, then it must also be true that my father wears a hat

Answer 15

thats premise 1

Answer 16

premise 2 says your dad is in the inner circle

Answer 17

so your dad must also be in the outer circle (people who wear hats)

Answer 18

oh yeah that makes sense!!

Answer 19

i have 2 more #s can u help

Answer 20

ok

Answer 21

Read the statements shown below.
If a polygon has four sides, it is a quadrilateral.

If the opposite angles of a quadrilateral are congruent, it is a parallelogram.

Beth constructed a quadrilateral in the geometry class.

Based on the given statements, which is a valid argument? (4 points)


It can be concluded that Beth drew a rectangle.
It can be concluded that Beth drew a parallelogram.
It cannot be concluded that Beth drew a quadrilateral with opposite angles congruent.
It cannot be concluded that Beth drew a polygon with four sides.

Answer 22

@perl

Answer 23

we have here 3 premises

1. If a polygon has four sides, it is a quadrilateral.

2. If the opposite angles of a quadrilateral are congruent, it is a parallelogram.

3.Beth constructed a quadrilateral in the geometry class.

Answer 24

i think that the answer is a

Answer 25

all it says is that beth constructed a quadrilateral

Answer 26

it doesnt make any mention of the opposite angles

Answer 27

so what is it then?

Answer 28

can you upload the assignment

Answer 29

It cannot be concluded that Beth drew a quadrilateral with opposite angles congruent.

Answer 30

since all it says is that beth drew a quadrilateral

Answer 31

what do u mean upload the assignment?

Answer 32

take a screenshot of the assignment

Answer 33

ill just copy and paste it

Answer 34

Which of these is a valid conclusion? (4 points)

All farmers wear straw hats.
My father wears a straw hat.
Therefore, my father is a farmer.
All farmers wear straw hats.
My father does not wear a straw hat.
Therefore, my father is a farmer.
All farmers wear straw hats.
My father is not a farmer.
Therefore, my father wears a straw hat.
All farmers wear straw hats.
My father is a farmer.
Therefore, my father wears a straw hat.

Answer 35

we already did this one

Answer 36

agh sorry thats my bad

Answer 37

Read the statements shown below.
If a polygon has four sides, it is a quadrilateral.

If the opposite angles of a quadrilateral are congruent, it is a parallelogram.

Beth constructed a quadrilateral in the geometry class.

Based on the given statements, which is a valid argument? (4 points)


It can be concluded that Beth drew a rectangle.
It can be concluded that Beth drew a parallelogram.
It cannot be concluded that Beth drew a quadrilateral with opposite angles congruent.
It cannot be concluded that Beth drew a polygon with four sides.