The area of the path is can be solved using the equation below:
Area path = wide²
First, let us convert 3 feet to inches such as shown below:
3 feet * (12 inches / 1 foot) = 36 inches
Area of the path = 36²
Area of the path = 1296 inches²
Solving for the area of the square bricks
Area of the bricks = (3 inches)²
Area of the brick = 9 inches²
Solving for the number of bricks, we have it:
Total number of bricks = Area of the path/area of the bricks
Total number of bricks = 1296 / 9
Total number of bricks = 144 pieces
The answer is 144 total number of bricks.
Em 2006 vamos ter 3 sextas-feiras 13
Answer:
Step-by-step explanation:
Step 1: Subtract -2x from both sides.
x2+x−7−−2x=−2x−−2x
x2+3x−7=0
For this equation: a=1, b=3, c=-7
1x2+3x+−7=0
Step 2: Use quadratic formula with a=1, b=3, c=-7.
x= −b±√b2−4ac / 2a
x= −(3)±√(3)2−4(1)(−7) / 2(1)
x= −3±√37 / 2
x= −3/2 + 1/2 √37 or x= −3/2 + −1/2 √37
Answer:
x= −3/2 + 1/2 √37 or x= −3/2 + −1/2 √37
Answer: 4
Step-by-step explanation:
For given Population standard deviation , the formula to sample size is given by :-
, where z* = Two-tailed critical value.
E = Margin of error.
Given : years
We know that , Critical value for 90% confidence interval : z* = 1.645
Margin of error : E=1.3 years
Then, the minimum sample size required to construct a 90% confidence interval for the population mean will be :-
[Rounded to the nearest whole number.]
Hence, the minimum sample size required = 4
The ones in the bracket are a similar way of vectors.
hope that kinndaaa helps sorry xoxo