Answer:
-12
Step-by-step explanation:
2^p = ⅛⁴
⅛ x ⅛ x ⅛ x ⅛ = 1/4096
2^p = 4096
log base 2 of 1/4096 = -12
Answer:
-2
Step-by-step explanation:
-6 - (-4)
Subtracting a negative is like adding
-6 +4
-2
Answer:
2.25km
Step-by-step explanation:
a scale of 1 : 25000 means:
1 cm on map ------> equals 25000 cm on ground
hence,
9 cm on map ------> equals 25000 x 9 cm = 225,000 cm = 2.25km on ground
Answer:
charles 4 years
adam 20 years
Step-by-step explanation:
charles present = x
adams present age 5x
8 years later
charles x+8
adam 5x+8
ATQ
x+8+5x+8=10x
4x=16
x=4
5x=20
You can solve it like this
2=milk (a); 1=milk (b)
9=tea (a); x= tea (b)
2:9=1:x (then multiply means and the extremes)
(means are 9 and 1; extremes are 2 and x)
9=2x
9/2= x
4.5 or 4 1/2=x
Therefore, using 1 litre of milk, we can have 4 1/2 tea.