Question

Would each situation be represented by a positive or a negative number?
Column A Column B
1.
1.5 acres of rainforest are destroyed every second for s seconds. Express the change in acreage of rainforest.
2.
A tub of water is heated by 0.3 degrees per minute for m minutes. Express the change in temperature.
3.
A submarine descends at a rate of 0.9 m/s for 90 s. Express the change in altitude relative to sea level.
4.
A credit card account has 2 charges of $15 and no payments. Express the balance of the credit card.
A.
positive
B.
negative

Answer 1

@ayeshaafzal221

Answer 2

@ayeshaafzal221

Answer 3

hi

Answer 4

hello

Answer 5

so what do u think 1 is

Answer 6

@ayeshaafzal221

Answer 7

yes i am here i am waiting for ur reply

Answer 8

so i wana work with u 1 by 1

Answer 9

oh no my mom is coming please can u give me the aswer

Answer 10

ahmm nooo i asked my mum shes said not too

Answer 11

please

Answer 12

look its not that hard look at the key words

Answer 13

1. it says destroy what do u think destroy is negative or positive ?

Answer 14

negative

Answer 15

@ayeshaafzal221

Answer 16

she did not come in my room

Answer 17

negative @ayeshaafzal221

Answer 18

@ayeshaafzal221

Answer 19

negative

Answer 20

good well done

Answer 21

now next key word for 2 is heat

Answer 22

because its restoring energy its +

Answer 23

positive

Answer 24

now 3. key word is descend and for 4. its charges so what do think ?

Answer 25

4 i have no idea but i negative 2 positive

Answer 26

i mean 3

Answer 27

4 and 3 are negative ur correct

Answer 28

and number 2 is positive

Answer 29

oh u didnt know 4 yes its negative because its charging money

Answer 30

yes

Answer 31

and 1 is positive @ayeshaafzal221

Answer 32

noo its negative

Answer 33

because destroy