First combine like terms:
6n-2n = 4n
7n-2=4n
subtract 7n from both sides
7n-2=4n
-7n -7n
-2=-3n
divide -2 on both sides.
n=1.5
Answer:
40 minutes
Step-by-step explanation:
12 envelopes every 10 minutes.
48 envelopes = 40 minutes
Step-by-step explanation:
-4x+1+6-(-9x)
-4x+7-(-9x)
5x+7
Z, 0, X, 1, U, 2, Q, _, L, 4, F, ...
vodka [1.7K]
Answer:
3
Step-by-step explanation:
It's mostly an assumption based on the pattern of number placement, so I apologize in advance if this is incorrect.
I'm not sure what this is for.
Lateral Area means Area of all four triangles
Now area of 1 triangle = 
= 
square meters
Now for four triangles we multiply by 4
So
Lateral area of pyramid =
m^2
that is Option D
