Answer:
-7
Step-by-step explanation:
x+3y
Let x =2 and y = -3
2 +3(-3)
2 -9
-7
Answer:
B)The volume of the pyramid is 1/3 the volume of prism
Step-by-step explanation:
We are given that
Bases of rectangular pyramid and rectangular prism are same
Height of both rectangular pyramid and rectangular prism are same.
We know that
Volume of rectangular pyramid =
Where b=Area of base
Volume of rectangular prism=
Where b=Area of base
Volume of rectangular pyramid=
volume of rectangular prism
Hence, the volume of pyramid is 1/3 times the volume of volume of rectangular prism.
Option B is true.
Answer: Option 'C' is correct.
Step-by-step explanation:
Since we have given that
A pollster uses a computer to generate 500 random numbers, then interviews the voters corresponding to those numbers.
Since Random sampling includes putting all names into a bowl and draw certain names. .In this type of sampling, each and every elements has equal chance of occuring.
Cluster sampling includes dividing the population into groups specially geographically and these groups are called clusters and in which each element of selected group are used.
Stratified sampling divides into group known as strata but not geographically.
This type of sampling that is used is Stratified sampling.
Hence, Option 'C' is correct.
Answer: The answer would be 8.5 times 10^-5
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10 If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.