Question

At noon, the atmospheric pressure at a weather station was 763 mmHg. At 4 p.m., the atmospheric pressure had changed by 29 mmHg.

Which expressions could represent the atmospheric pressure at the weather station at 4 p.m.?

Choose TWO answers that are correct

Answer 1

A.
(29 – 763) mmHg

B.
–(763 + 29) mmHg

C.
(763 – 29) mmHg


D.
(763 + 29) mmHg

Answer 2

@AlexanderBrockhaus

Answer 3

i think c is more logical answer

Answer 4

Thank you @leon549

Answer 5

But there are 2 answers...

Answer 6

pressure depends upon temperature and speed

Answer 7

So...?

Answer 8

a and b r the same same statement

Answer 9

So...It's a and b?

Answer 10

no d

Answer 11

Okey...But it says choose 2 answers...By the way, I'm sorry if I'm being annoying..

Answer 12

the temp change can be positive or negative

Answer 13

because in ur qustion the pressure is given in positive in options
a its negitive so no
b its also negitive so no
c yes
d yes
because it either increase or decrease

Answer 14

Oh...Okey