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tigry1 [53]
3 years ago
10

What is algebraic notation?

Mathematics
1 answer:
enot [183]3 years ago
5 0

Algebraic notation is a method for recording and describing the moves in a game of chess. It is based on a system of coordinates to uniquely identify each square on the chessboard.

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Does anybody know how to solve this problem?
Advocard [28]

Answer:BC=68

DE=36

CE=34

Step-by-step explanation:

Since  D, E and F are the midpoints, they follow the midpoint theorm which states that "The line segment in a triangle joining the midpoint of two sides of the triangle is said to be parallel to its third side and is also half of the length of the third side." As for others, it's just the calculation.

3 0
3 years ago
The perimeter of a rectangle is 54 meters. One side is three meters less than four times the length of the other side. Find the
Elenna [48]

Answer:

6 and 21 meters long

Step-by-step explanation:

You make an equation from what you got (there are 2 widths and 2 lengths)

2(4w-3)+2w=54---->10w-6=54---> 10w=60 ----> w=6 ---> plug in the rest and you get 21 as the length.

or... make W+L=28 and guess and check!!! takes longer but works!

7 0
3 years ago
Richard and Jordan went to see a movie. Richard spent $mat the movie theater, and Jordan spent $12 at the movie theater. Togethe
7nadin3 [17]
X+12=26, x being the amount spent by Richard <span />
5 0
3 years ago
With the equation 2/10=4/a-3 what does a equal?
shusha [124]

Answer:

23

Step-by-step explanation:

Since 2/10 = 4/20, we know that a-3 = 20, so a = 20 + 3 = 23.

5 0
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Of the three forms, which one is the only form that you can find the y-intercept immediately (just by looking at the equation).
padilas [110]
The answer is A i think
5 0
2 years ago
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