What does a plus over a minus sign mean? I'm a science student and am doing some data analysis for one of my reports. Am not gre at on maths and don't know what a plus sign with a minus sign under it means. Can anyone help? Thankyou (am doing mean volume and standard deviation calculations - don't know if it makes a difference)
2 answers:
That symbol represents "plus out minus". usually represents uncertainty if it is beside a number.
Plus over minus has multiple meaning, it generally indicates a choice of exactly two possible values one of which is the negation of the other.
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Answer:
- 14
Step-by-step explanation:
Irrational number has unsolvable root overs.
Last two are now our options
Hence its not irrotational.
Hence
Option C is irrational.
Answer:
For chess club:
y1 = 16 + 1*x where y1=total number of members after x months
For film club
y2 = 4 + 4*x where y2=total number of members after x months
y1 = y2 at
16 + x = 4 + 4x
3x = 12
x = 4
Therefore, after 4 months they the same number of members (equals 20 members, 16 + 1*4 or 4 + 4*4).
1. 4
The answer is D they are proportional equal to negative 4<span />
