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2 years ago

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

Mathematics

2 answers:

Scilla [17]2 years 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]2 years 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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lisov135 [29]

Hi there!

What we need to know:

The three main trigonometric ratios are sine, cosine and tangent:

$\displaystyle sin\theta=\frac{opposite}{hypotenuse}$ $\displaystyle cos\theta=\frac{adjacent}{hypotenuse}$ $\displaystyle tan\theta=\frac{opposite}{adjacent}$

"Opposite" refers to the side opposite the angle that is not the hypotenuse.

"Hypotenuse" refers to the side opposite the right angle of a right triangle.

"Adjacent" refers to the side next to the angle that is not the hypotenuse.

"θ" is read as "theta". It just represents the angle.

Keep in mind that these three ratios only apply to right triangles.

You can use the mnemonic "soh-cah-toa" to help you remember these ratios.

First question

For the first question, we're given the angle with a measure of 56 degrees and the length of the hypotenuse. We must calculate a, which represents the side adjacent to the given angle.

Given the hypotenuse and the adjacent side, we know that we must use the cosine ratio:

$\displaystyle cos\theta=\frac{adjacent}{hypotenuse}$

Plug in the given information:

$\displaystyle cos56=\frac{a}{13}$