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babymother [125]
3 years ago
5

△RST is similar to triangle △XYZ by the AA Similarity Postulate.

Mathematics
1 answer:
lora16 [44]3 years ago
6 0
If 2 triangles are similar then the angle measures are the same so the answer would be 180-(47+23) which is equal to 110 degrees
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Identify this problem plssss
JulsSmile [24]

Answer:

The answer is cot(x)

Step-by-step explanation:

<h3>Greetings !</h3>

\tan(x)  \csc {}^{2} (x)  -  \tan(x)

Rewrite using trig identity

-  \tan(x)  +  \csc {}^{2} (x) \tan(x)

use the Pythagorean idea

\csc {}^{2} (x)  = 1 +  \cot {}^{2} (x)

-  \tan(x)  + (1 +  \cot {}^{2} (x)) \tan(x)

simplify

\cot {}^{2} (x)   \tan(x)

use basic trigonometric identity

\tan(x    )  =  \frac{1}{ \cot(x) }

simplify

\cot {}^{2} (x)  \frac{1}{ \cot(x) }

gives you

\cot(x)

Hope it helps!

8 0
2 years ago
Help solving this acceleration problem.
Misha Larkins [42]

Answer:

168.4953 (m/s)

Step-by-step explanation:

a(t)=x''(t)=(0.0951t⁴-0.101t³+0.837t²+3.87t-9.37)''= =4*3*0.951t²-3*2*0.101t+2*0.837 =11.412t²-0.606t+1.674.

a(3.85)=11.412*3.85²-0.606*3.85+1.674=168.4953

8 0
3 years ago
Find the quotient.<br> 18.)97.2
mixer [17]
The quotient is 0.972
5 0
3 years ago
Ed needed to extend the string on his kite. The current string was nine and three fourths feet. He cut a piece of string that me
andriy [413]

Answer:

Twelve and one fourth feet

Step-by-step explanation:

9 and 3/4 feet =9.75

2 and 2/4 feet =2.50

9.75 + 2.50

= 12.25/12 and 1/4 feet

4 0
1 year ago
Find all the zeros of f(x) = 2x^4 − 5x^3 − 5x^2 + 20x − 12
Andrews [41]

Answer:

x=-2  x=2  x = 1/2   x=3

Step-by-step explanation:

f(x) = 2x^4 − 5x^3 − 5x^2 + 20x − 12

Graph

We see that there is a zero at -2

Using synthetic division

-2      2   -5  -5   20  -12

             -4   18   -26  12

     ------------------------------  

         2   -9  13  -6     0

This gives us ( x+2) ( 2x^3 -9x^2 +13x -6)

We see that there is a zero at 2

Using synthetic division  ( 2x^3 -9x^2 +13x -6)

2       2   -9  13  -6

              4   -10  6

     ------------------------------  

         2   -5  3  0

This gives us ( x+2)   ( x-2) ( 2x^2 -5x+3)

We can factor  ( 2x^2 -5x+3)

( x+2)   ( x-2)  ( 2x -1) ( x-3)

Using the zero product property

( x+2)=0   ( x-2)=0  ( 2x -1)=0 ( x-3)=0

x=-2  x=2  x = 1/2   x=3

7 0
3 years ago
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