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tresset_1 [31]
2 years ago
6

I got this for my classwork does anyone know how to solve this step by step​

Mathematics
1 answer:
Nataly_w [17]2 years ago
7 0

Answer:

http://www.cssdrive.com/

Step-by-step explanation:

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30 PTS!!! ANYONE GOOD AT MATH PLS HELP!
siniylev [52]

Answer:

\frac{2}{\sqrt{5} }

Step-by-step explanation:

To solve this, all we need to do is draw a triangle.  

From the arctan(2) we can deduce that tan(x)=\frac{2}{1}

From that, we can draw our triangle as we know that tan(x) is the opposite side over the adjacent side. Attached is that triangle. Through the Pythagorean Theorem, we can find that the hypotenuse of this right triangle is  \sqrt{5}

Now all we need to do is take the sin of this triangle, which is the opposite side over the hypotenuse

This gives us the value of \frac{2}{\sqrt{5} } which is our answer.

8 0
3 years ago
In △RST, RW=27 cm . What is the length of RX¯¯¯¯¯¯?
Yanka [14]
The answer to your question is 22.
4 0
3 years ago
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What is the answer to this question?
forsale [732]

Answer:

c = 83

b = 79

a = 101

d = 97

.

.........................

5 0
2 years ago
X/2-1/5=x/3+1/4<br>solve this equation ​
Alekssandra [29.7K]

Answer:

x=\frac{27}{10}

Step-by-step explanation:

\frac{x}{2}-\frac{1}{5}=\frac{x}{3}+\frac{1}{4}

\frac{x}{2}-\frac{1}{5}-\frac{x}{3}=\frac{x}{3}+\frac{1}{4}-\frac{x}{3}

-\frac{1}{5}+\frac{x}{6}=\frac{1}{4}

-\frac{1}{5}+\frac{x}{6}+\frac{1}{5}=\frac{1}{4}+\frac{1}{5}

\frac{x}{6}=\frac{9}{20}

\frac{6x}{6}=\frac{9\times \:6}{20}

x=\frac{27}{10}

3 0
3 years ago
Read 2 more answers
Point B has coordinates ​(2​,1​). The​ x-coordinate of point A is negative 1. The distance between point A and point B is 5 unit
Gwar [14]

Answer:

A = (-1,5) or  (-1,-3)

Step-by-step explanation:

A = (-1,y)    B = (2,1)

 

(Distance from A to B) = √[(-1-2)² + (y-1)²] = 5

                                    =√[9 + y² - 2y + 1] = 5

Squaring on both sides

                                     =  y² - 2y + 10 = 25

                                       =y² - 2y -15 = 0

                                      = (y-5)(y+3) = 0

                                         y = 5 or -3

Therefore, A = (-1,5) or  (-1,-3)

6 0
3 years ago
Read 2 more answers
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