Answer:
the sides of the wedge are inclined.
Explanation:
The wedge is a triangular simple machine with a blunt face and two inclined faces. The distribution of forces in a wedge is because the sides of the wedge are inclined.
Answer:
54%
Explanation:
We are given that
S.D=4.2 lb
Mean=
We have to find the percentage of household throw out at least 9 lb of paper a week.
Normal distribution formula :

We have a=9


%
Hence, the percentage of household throw out at least of paper a week=54%
Answer:
for -12db

for 3db

for 10db

for 0db

Explanation:
The decibel is a logaritmic value given by:

we use 10 for power values and 20 for other values such voltages or currents.

for -12db

for 3db

for 10db

for 0db
