A grocery store sells 6 bottles of water for $4.80 and 18 bottles of water for $22.50. Is the cost proportional to the number so
2 answers:
Answer:
<h2>No, because both operation don't have a Constant of Proportionality related.</h2>Step-by-step explanation:
We can see this calculating the Constant of Proportionality in both cases:
We can see that, the proportion is not a Constant, which means that costs are not proportional between the number of bottles sold.
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The answer is:
1- A line of symmetry will connect a vertex and a midpoint of an opposite side.
2- It has -fold symmetry.
The explanation for this answer is shown below:
1- By definition, a line of symmetry is an imaginary line that divides a figure into two equal images or equal halves. If you connect a vertex and a midpoint of an opposite side of an heptagon by drawing a line, you will obtain two equal halves.
2- An heptagon has seven vertices, therefore, based on the information mentioned above, it has -fold symmetry.