Answer:
Step-by-step explanation:
By definition you have that:
Based on the figure attached in the problem you have that:
Therefore, you must substitute the above into
Then, the answer is:
Answer:
A
Step-by-step explanation:
Well, this isn't too hard.
Since the left is the negative side (R) and the right is the positive side (S), a positive and a negative with the same number will equal zero if only one of them are negative.
You ALWAYS subtract when there's two different signs.
ANSWER
The height is
EXPLANATION
Let the height of the chimney be x.
Cross multiply
Put
into the equation;
Group similar terms:
The height of the chimney to the nearest feet is 22
the picture in the attached figure
Applying the Pythagorean Theorem
Find the lengths of the two sidewalks
Step 1
square section
D=√{15²+15²}
D=√450 m
D=21.21 m
Step 2
rectangular section
D=√{15²+8²}
D=√289 m
D=17 m
Step 3
the sum of the lengths of the diagonals of the two sections is
17m + 21.21 m = 38.21 m
the answer is
38.2 m