the media center at josh's school has a computer area. the first 4 rows have 6 computers each. the fifth row has 4 computers.how
2 answers:
Answer: 28 computers
Step-by-step explanation:
Given : The number of rows having 6 computers each = 4
Then , the total number of computers in 4 rows will be :-
Also, the fifth row has 4 computers.
Then , the total number of computers in five rows will be :-
Hence, there are 28 computers in the media center.
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Answer:
<em>The area of the triangle DEF is 10.</em>
Step-by-step explanation:
<u>Area of a Triangle:</u>
A triangle of base B and height H (both must be perpendicular) has an area of:
The image below shows the triangle formed by the points DEF. It's important to notice the points E and F lie on the same horizontal line because they both have the same y-coordinate.
This fact simplifies the calculations since we can easily compute the length the of base as the difference of their x-coordinates:
B=3-(-2)=3+2=5
Being the base of a horizontal line, the height of the triangle can be calculated as the difference of y-coordinates of D and the height of that line.
H=2-(-2)=4
With these two values, we calculate the area:
The area of the triangle DEF is 10.
