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Nataliya [291]
3 years ago
10

What is the scientific notation of 88,700,000,000?

Mathematics
1 answer:
zlopas [31]3 years ago
6 0
8.87 x 10^10 is the scientific notation
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2. Find the value of x and y rounded to the nearest tenth.
SVETLANKA909090 [29]

Using relations in a right triangle, it is found that the values of x and y are given by: x = 24, y = 46.4, given by option a.

<h3>What are the relations in a right triangle?</h3>

The relations in a right triangle are given as follows:

  • The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
  • The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
  • The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

First, we start with the vertical line h that divides y, that is <u>opposite to an angle of 30º, with hypotenuse 34</u>, hence:

sin(30º) = h/34

0.5 = h/34

h = 17.

Then, h is opposite to an angle of 45º, while the hypotenuse is x, hence:

\sin{45^\circ} = \frac{17}{x}

x = \frac{17}{\sin{45^\circ}}

x = 24.

y is divided into two segments.

  • The first is the adjacent to the angle of 30º, while the hypotenuse is 34.
  • The second is adjacent to the angle of 45º, while the hypotenuse is 24.

Then:

\cos{30^\circ} = \frac{y_1}{34}

y_1 = 34\cos{30^\circ} = 29.4

\cos{45^\circ} = \frac{y_2}{24}

y_2 = 24\cos{45^\circ} = 17

Then, the value of y is given by:

y = y_1 + y_2 = 29.4 + 17 = 46.4.

More can be learned about relations in a right triangle at brainly.com/question/26396675

#SPJ1

4 0
1 year ago
Max walks 6 laps around the track in 30 minutes. How many laps around the track does Max walk in 1 minute
Sunny_sXe [5.5K]

Answer:5

Step-by-step explanation:

6:30 is the ration

6/30 reduced is 1/5

1:5

so its 5

3 0
3 years ago
Choose Yes or No to tell if the number 3.23 will make each equation true.
Free_Kalibri [48]

Answer:

yes

no

yes

no

Step-by-step explanation:

i think its right

5 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP I WILL MARK BRAINLIEST!!
Mamont248 [21]

Answer:

A

Step-by-step explanation:

cause im smart

4 0
2 years ago
Is 4 3/4 bigger or smaller or equal to 38/12 ?
Fed [463]
4 3/4 =19/4=57/12
57/12 is larger than 38/12
8 0
3 years ago
Read 2 more answers
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