Answer:
first one is A and the second one is B.
Step-by-step explanation:
F = d + e + t Flip the sides to put t on the left
d + e + t = F Subtract d from both sides
e + t = F - d Subtract e from both sides
t = F - d - e
1) What is the slant height x of this square pyramid? Express your answer in radical form
sin 60=x/4--------> x=4*sin 60------> 4*(√3/2)-------> 2 √3 m
the answer Part 1) is 2 √3 m
2) The base of a regular pyramid is a hexagon. What is the area of the base of the pyramid?
[area of the base}=[area of hexagon]
[area of hexagon]=6*[area of triangle]
area of triangle
sin 60=a/14-------> a=(√3/2)*14-------> a=7√3 cm
cos 60=(b/2)/14--------> (b/2)=cos 60*14-----> (1/2)*14---------> (b/2)=7
base of triangle=2*7--------> b=14 cm
[area of triangle]=14*7√3 /2--------> 49√3 cm²
so
[area of hexagon]=6*[49√3]--------> 294√3 cm²
Answer:
Step-by-step explanation:
- MAD is simply the average distance that all of the numbers in your data set are from the mean.
- Your first step is to put your data in order, then determine the mean.
- Let’s look at this data set:
0.3, 0.5, 0.9, 1.1
- The mean of this data set is 0.7
- Starting with the lower extreme, and checking every number in your data set, determine how far each number is from the mean.
- First, put the numbers in numerical order, from least to greatest.
- Determine the distance each number is from 0.7.
- 0.3=0.4
- 0.5=0.2
- 0.9=0.2
- 1.1=0.4
- Add up all of the distances.
- Total distance from the mean (12) ÷ 4 numbers in our data set = a mean absolute deviation of 3.
I added a PowerPoint that I made so that if you didn't understand it you could read off of it.
