in mathematics competition,the winner won $100 more than twice the amount won by the runner-up. how much money did the runner-up
2 answers:
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B. The total area painted is 864; they must buy two cans of paint.
Step-by-step explanation:
Step 1:
A rectangle's area can be calculated by multiplying its length and its width. The wall is made up of 5 different types of rectangular walls. All walls are 8 feet tall but the length varies.
Step 2:
The area of the 20 feet long wall =
The area of the 10 feet long wall =
The area of the 5 feet long wall =
The area of the 4 feet long wall =
The area of the 15 feet long wall =
The area of all the walls = 432 square feet.
Since there are two sides for every wall, total area = square feet.
Step 3:
If one paint can covers 500 square feet,
the number of cans required to paint 864 square feet = cans.
so 2 paint cans are needed to paint 864 square feet which is option B.
rule is to shift 8 units left & , shift 2 units down , Correct option C) T<-8,-2> (Jessica) ,
<u>Step-by-step explanation:</u>
Here we have , Jessica was sitting in row 9, seat 3 at a soccer game when she discovered her ticket was for row 1, seat 1. We need to Write a rule to describe the translation needed to put her in the proper seat. Let's do this:
Suppose the above problem in coordinate system where we have a point , And we need to write rule for translation of this point to
.
Let , , Now shift 8 units left i.e.
⇒
⇒
⇒
Now , shift 2 units down i.e.
⇒
⇒
⇒
Therefore , rule is to shift 8 units left & , shift 2 units down , Correct option C) T<-8,-2> (Jessica) ,