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AlexFokin [52]
3 years ago
9

The endpoints of a segment are (10, 0) and (20, 0) how do you know it is a horizontal segment

Mathematics
1 answer:
Tju [1.3M]3 years ago
8 0
You can see it easily if you graph A(10,0) & B(20,0) on a on a system of perpendicular axis. The horizontal values (x value =10 & 20) are on the x axis & the vertical values (y value=0 & 0) can't be on the y axis since y values are zero
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Given the triangle below, find the length of XW . Round your answer to the nearest tenth.
Ghella [55]

Check the picture below.

so let's use the law of sines then

\textit{Law of sines} \\\\ \cfrac{sin(\measuredangle A)}{a}=\cfrac{sin(\measuredangle B)}{b}=\cfrac{sin(\measuredangle C)}{c} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{1.9}{sin(Z)}~~ = ~~\cfrac{XZ}{sin(Y)}\implies \cfrac{1.9}{sin(89^o)}~~ = ~~\cfrac{XZ}{sin(70^o)}\implies \cfrac{1.9\cdot sin(70^o)}{sin(89^o)}=XZ \\\\[-0.35em] ~\dotfill

cos(21^o)=\cfrac{\stackrel{adjacent}{XW}}{\underset{hypotenuse}{XZ}}\implies XZ\cdot cos(21^o)=XW \\\\\\ \cfrac{1.9\cdot sin(70^o)\cdot cos(21^o)}{sin(89^o)}=XW\implies 1.7\approx XW

quick observation, the picture of the triangle is very misleading, since those angles as drawn are not good representers of the angles values.

4 0
2 years ago
Answer plz and d. Is 1,962 2/3 pi m3
Eddi Din [679]
D it would be in the 5 thousands but you have to divide pi out of it
8 0
3 years ago
You toss a coin and roll a number cube. find P(heads and an even number )
Iteru [2.4K]
There is a 1/2 chance of landing heads.

There is a 3/6 or 1/2 chance of landing on an even number (2,4, or 6)

1/2*1/2= 1/4

The probability of landing heads and an even number is 1/4. 
7 0
3 years ago
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PLEASE HELP!!!!!!!!!!!
NemiM [27]

Answer:

3

Step-by-step explanation:

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A 20-ft ladder leans against a building so that the angle between the ground and the ladder is 72 degrees. How high does the lad
Tems11 [23]

The height of the building is 19.02 feet, for a 20-ft ladder to lean against the building at an angle of 72 degrees.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Trigonometric ratio is used to show the relationship between the sides and angles of a right angle triangle.

Let h represent the height of the building, hence:

sin(72) = h/20

h = 19.02 feet

The height of the building is 19.02 feet, for a 20-ft ladder to lean against the building at an angle of 72 degrees.

Find out more on equation at: brainly.com/question/13763238

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6 0
2 years ago
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