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IRISSAK [1]
2 years ago
14

Two lengths of a triangle are show ​

Mathematics
1 answer:
leonid [27]2 years ago
5 0

I can't give you the correct answer but you can guess for it, cause I can give you the the scop of the length of KL.

So, as we know this;

The sum of the two sides of a triangle is greater than the third and the difference between the two sides is less than the third.

10+5 >= KL >= 10-5

15 >= KL >= 5

based on your option, the answer should be:

9 in  

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Find the value of x. Round your answer to the nearest tenth.
Fantom [35]
Hello again! So we will be using the pythagorean theorem (leg^2+leg^2=hypotenuse^2) to solve for the bottom leg of the triangles. After we do that, we'll subtract the value of the legs from 31, and that'll be x.


Plug in 17 and z (or any variable that isn't x) into the leg variable and 19 into the hypotenuse variable, and from there we can solve.

17^2+z^2=19^2

Solve the exponents to get 289+z^2=361

Subtract 289 on each side to get z^2=72

Lastly, square root each side of the equation and your answer should be z= \sqrt{72} (To get more accurate answers, you shouldn't round until the end of the problem)


Nextly, we will need to subtract \sqrt{72} from 31. And since there are 2 triangles, you'll need to multiply \sqrt{72} by 2.

x=31- \sqrt{72} *2 \\ x=14.0

In short, x = 14.0
5 0
3 years ago
The average (arithmetic mean) of y numbers is x. if 30 is added to the set of numbers, then the average will be x - 5. what is t
Anastasy [175]
Given,

AM of y numbers = x.

Let the sum of y numbers be s.

AM of y numbers = x

\frac{s}{y} = x

s = y*x

Given, when 30 is added to the y numbers, the AM becomes x - 5.

\frac{s + 30}{y + 1} = x - 5

\frac{y*x + 30}{y +1} = x - 5


y*x + 30 = (x -5)( y +1)

y*x + 30 = y*x + x - 5y -5

5y = x - 5 -30 = x - 35


y =  \frac{x -35}{5} 
8 0
3 years ago
10. Find the rate of change in the table below.
Natasha_Volkova [10]

Answer:

it's times 4 every time

Step-by-step explanation:

4.5 times 4 is 18 etc

6 0
3 years ago
Which graph represents x - 1 ≤ 3
MAVERICK [17]
The first graph. 

The  equation is x - 1 \leq 3
In order to solve it, you need to get x by itself.
Add 1 to both sides.  3+1=4
x \leq 4

Since this is your sign \leq the arrow has to point towards the left, and the circle needs to be colored in.
3 0
3 years ago
if the length of segment AB is 1/3 the length of segment AC and if segment AC is 12 cm long, how long is segment BC?
jeka94
The length of BC I believe will be 8
8 0
3 years ago
Read 2 more answers
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