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ivanzaharov [21]
3 years ago
6

Please help! (listing BRAINLIST and giving points) ​ :)​

Mathematics
1 answer:
Gemiola [76]3 years ago
3 0

Answer:

sin∅ = 12/13

Step-by-step explanation:

use pythagorean theorem to find the missing side

a² + 5² = 13²

a² = 13² - 5²

a² = 169 - 25

a² = 144

a = 12

-----------------------------

Sin∅ = opp/hyp

sin∅ = 12/13

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Please help!!!!!!!!!!!!!!!
Katyanochek1 [597]
X and y vary inversely:
y=k/x

y=8/3 when x=8
8/3=k/8

Solving for k:
8(8/3)=k
64/3=k
k=64/3

y=k/x
y=(64/3)/x
y=(64/3)(1/x)
y=64/(3x)

when x=4→y=64/(3x)=64/(3(4))→y=16/3

Answer: Second Option y=64/(3x); 16/3
6 0
3 years ago
Are the triangles similar? If so, explain why.<br> АД<br> 3462
Alchen [17]

<em>Greetings from Brasil...</em>

Just 2 equal angles are enough for the triangles to be similar .... The second triangle has the same angles as the first.

We know that the sum of the internal angles of a triangle is 180, so for the second triangle:

84,6 + 65 + X = 180

X = 180 - 84,6 - 65

X = 30,4   →   same angle as the largest triangle

So we have AA~ similarity

8 0
3 years ago
Find the value of x
alina1380 [7]

Answer:

it's 60

Step-by-step explanation:

8 0
3 years ago
Pleaseeeee answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
belka [17]

Answer:

x = 146°

Step-by-step explanation:

parallelogram property

x + 34 = 180

x = 146

6 0
3 years ago
5x + 2x + 2 = 9x + 4​
bija089 [108]

Step-by-step explanation:

Given

5x + 2x + 2 = 9x + 4

9x - 5x - 2x = 2 - 4

9x - 7x = - 2

2x = - 2

x = - 2 / 2

Therefore x = -1.

5 0
3 years ago
Read 2 more answers
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