Answer:
0.274g/cm^3
Step-by-step explanation:
density = mass / volume
so d = 575.4 / 210
d = 0.274g/cm^3
Answer:
-1
Step-by-step explanation:
y = mx + c
m is the slope/gradient
to find slope = y2 - y1 / x2 - x1
= -8 - -10 / 4 - 6
m = -1
around 13% chance
Step-by-step explanation:
Answer:
a) Somebody was kung-fu fighting for less than 10 hours.
b) All rivers have less than two tributaries.
Step-by-step explanation:
To write minimal negation statements, one must abide by the following rules:
1. If all Xs are Y ⇒ There is one X that is not Y
2. If one X has Y⇒ All Xs do not have Y
a) "Everybody was kung-fu fighting for at least 10 hours"
Following the first rule:
Somebody was kung-fu fighting for less than 10 hours.
b) "There is a river with at least two tributaries"
Following the second rule:
All rivers have less than two tributaries.