Question

Helpz.

Answer 1

here

Answer 2

what? heres the q...

Answer 3

@Vickyisthesmartone123

Answer 4

@Michele_Laino

Answer 5

-6.69

Answer 6

are you sure?

Answer 7

very sure.

Answer 8

ok thx. i have a couple of more, cans you helpz meh?

Answer 9

@foolofatook

Answer 10

sure

Answer 11

ok, heres the second....

Answer 12

well. the equation would be 9.3*3

Answer 13

so 27.9?

Answer 14

no -27.9 because he is decending

Answer 15

hint:
the distance traveled by the driver is \(9.3 \times 3=...?\)

Answer 16

OHHHH. ok, one more.........

Answer 17

1b
2b
3a
4a
i think

Answer 18

ok then we wil get confirmation..... @Michele_Laino we need you!!!

Answer 19

is he right @Michele_Laino ?

Answer 20

here is my reasoning:
question a)
when I subtract a quantity from zero, then I get a negative result
question b)
if the temperature goes down, then the relative change can not be positive
question c)
the requested voluem is the 3/4 of total volume \(t\),
question d)
here the altitude is increasing so the relative variation can not be negative

Answer 21

So heres what i should get:
1= negative
2 = negative
3 = negative
4= positive
?????????????????????????????????

Answer 22

that's right!

Answer 23

please wait...

Answer 24

why?

Answer 25

question 3)
the quantity of gasoline, has to be expressed by a positive number

Answer 26

no wonder.

Answer 27

but thanks

Answer 28

:)