Luis, Marissa, and Federico are raising money for a school trip. Luis

Mathematics

2 answers:

Scilla [17]1 year ago

8 0

Answer:

Frederico

Step-by-step explanation:

We just look for the highest fraction

6/7 and 5/9 are both less than 1 (If the denominator is greater than the numerator, the fraction is less than 1)

11/10 is greater than 1. (If the denominator is less than the numerator, the fraction is greater than 1)

So the highest of the fractions is 11/10 and therefore Frederico has raised the most money

stepan [7]1 year ago

3 0

Answer:

Federico

Step-by-step explanation:

It is Federico because he exceeded the money needed for the school trip.

6/7 is almost enough for the trip since you needed 7/7.

5/9 is still not enough for the trip since you needed 9/9.

11/10 is more than enough for the trip since all you needed was 10/10 and you have 11/10.

Another way to solve this is to find the lowest common multiples of 7, 9, and 10 and form fractions with the same denominator.

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Answer:

square: 9 square units
triangle: 24 square units

Step-by-step explanation:

Using a suitable formula the area of a polygon can be computed from the coordinates of its vertices. You want the areas of the given square and triangle.

<h3>Square</h3>

The spreadsheet in the first attachment uses a formula for the area based on the given vertices. It computes half the absolute value of the sum of products of the x-coordinate and the difference of y-coordinates of the next and previous points going around the figure.

For this figure, going to that trouble isn't needed, as a graph quickly reveals the figure to be a 3×3 square.

The area of the square is 9 square units.

<h3>Triangle</h3>

The same formula can be applied to the coordinates of the vertices of a triangle. The spreadsheet in the second attachment calculates the area of the 8×6 triangle.

The area of the triangle is 24 square units.

<em>Additional comment</em>

We have called the triangle an "8×6 triangle." The intention here is to note that it has a base of 8 units and a height of 6 units. Its area is half that of a rectangle with the same dimensions. These dimensions are readily observed in the graph of the vertices.