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1 answer:
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Answer:
1.75 cases need to be sold
Step-by-step explanation:
The complete question is
The high school tennis team is selling tennis balls to raise $500 for new equipment.They sell the balls for $2 each.
4).How many cases of tennis balls does the tennis team have to sell in order to raise enough money for new equipment.
Solution
Price of each ball = $4
No. of balls in each package = 3
Total number of balls that need to sold in order to raise $500 is
one package = 3balls
Hence no of packages to be sold
packages and 2 balls or total 42 packages
1 case has 24 packages , thus total number of cases to be sold =
Note: The image of G after the dilation must be G'(5,-5) instead of G'(5,5).
Given:
The vertices of a rectangle are E(4,8), F(2,8), G(2,-2) and H(-4,-2).
The rectangle is dilated with the origin as the center of dilation so that G's is located at (5,-5).
To find:
The algebraic representation that represents this dilation.
Solution:
If a figure is dilated by factor k with origin as the center of dilation, then the dilation is defined as:
...(i)
Let the given rectangle is dilated by factor k with origin as the center of dilation. Then,
The image of G after dilation is G'(5,-5). So,
On comparing both sides, we get
So, the scale factor is .
Substituting in (i), we get
Therefore, the required algebraic representation to represents this dilation is .