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iren2701 [21]
3 years ago
12

Please help me! It’s for my homework

Mathematics
1 answer:
vodka [1.7K]3 years ago
5 0
Which question? 21 or 22?
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Why must the value of the sine ratio for an acute angle
jonny [76]

Answer:

Because the opposite side is shorter than the hypothenuse

Step-by-step explanation:

- An acute angle is an angle which is less than 90^{\circ}

- A right angle is an angle equal to 90^{\circ}

- An obtuse angle is an angle which is between 90^{\circ} and 180^{\circ}

In a right triangle, we have 1 right angle and 2 acute angles.

The sine of an angle in a right triangle is defined as:

sin \theta = \frac{opp.side}{hypothenuse} (1)

where

At the numerator we have the length of the side opposite to the angle

At the denominator we have the length of the hypothenuse

In a right triangle, the hypothenuse is the longest side of the triangle, so we have

opp.side < hypothenuse

Therefore, the ratio in the eq(1) is less than 1, therefore, the sine of the angle is less than 1. Also, the sine is positive, since the ratio in the equation is a positive number.

4 0
3 years ago
Can someone answer this question please answer it correctly if it’s correct I will mark you brainliest
Kisachek [45]

Answer:

answer is d

With each flip it has a 50 percent of landing, so mathematically it should land on tails about 225 times.

<h2> pls mark me as brainliest </h2>
5 0
4 years ago
The least common multiple of 3, 4, 6, and 8 is <br><br> A. 24.<br> B. 96.<br> C. 72.<br> D. 8.
garri49 [273]
Try the lowest option first. 8 is not divisible by 3 so you can rule out D. The next lowest option is 24. 24 is divisible by all 4 numbers so that it is the answer.

ANSWER: A) 24
6 0
3 years ago
Susan wrote the following statements:
cestrela7 [59]
<span>A theorem is considered to be a statement that is demonstrated to be correct by approved mathematical arguments and operations. Postulates or axioms as it is sometimes called, is considered to be true even without proof. Given these information, statement 1 is a theorem and statement 2 is a postulate.</span>
6 0
4 years ago
Read 2 more answers
If anyone could answer this for me I would very much appreciate it
baherus [9]

Answer:

a3 = 45

Step-by-step explanation:

a1 = 20

an = a(n-1) *3/2  where n is the term number

a2 = a(2-1) *3/2

     a1 *3/2

We know a1 = 20

a2 = 20*3/2 = 30

a3 = a(3-1) *3/2

    = a2 *3/2

We know a2 = 30

    = 30*3/2 = 45

8 0
4 years ago
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