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kiruha [24]
3 years ago
10

I really need help it’s very hard

Mathematics
1 answer:
barxatty [35]3 years ago
6 0

Answer:

The angle ZLK has a value of 75 degrees.

Step-by-step explanation:

We can calculate this as:

m\angle MLZ+m\angle ZLK=m\angle MLK\\\\(x+66)+(x+86)=130\\\\2x+152=130\\\\2x=130-152\\\\x=-22/2=-11\\\\\\m\angle ZLK=x+86=-11+86=75

We replace the angles values in the equation, as both angles that are formed with Z (MLZ and ZLK), when added, gives as the angle MLK. This allows us to calculate x. The value for x is -11.

Then, with the value for x we can calculate any of both angles.

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Find the values of X and Y that makes these triangles congruent by the HL theorem
muminat

Answer:

C. x = 3, y = 2

Step-by-step explanation:

If both triangles are congruent by the HL Theorem, then their hypotenuse and a corresponding leg would be equal to each other.

Thus:

x + 3 = 3y (eqn. 1) => equal hypotenuse

Also,

x = y + 1 (eqn. 2) => equal legs

✔️Substitute x = y + 1 into eqn. 1 to find y.

x + 3 = 3y (eqn. 1)

(y + 1) + 3 = 3y

y + 1 + 3 = 3y

y + 4 = 3y

y + 4 - y = 3y - y

4 = 2y

Divide both sides by 2

4/2 = 2y/2

2 = y

y = 2

✔️ Substitute y = 2 into eqn. 2 to find x.

x = y + 1 (eqn. 2)

x = 2 + 1

x = 3

8 0
3 years ago
Help pls you get 27 points
Trava [24]

Answer:

C. [-5] < [-3]   ||   D. [-4] < [-2]

Step-by-step explanation:

in A. 5 should be greater, > than -3

in B. 2 should be greater, > than -4

in C. its correct answer. true statement.

in D.  its correct answer. true statement.

5 0
2 years ago
12. A family spends 1 hours traveling to a theme park, 6 hours at the
Rasek [7]

Answer:

4 hours

Step-by-step explanation:

1+1=2

6-2=4

6 0
3 years ago
Read 2 more answers
HELP!!! 30 POINTS!!
FromTheMoon [43]

Answer:

1. A.) 300 cm

2. D.) 1700 in

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4. B.) 421 FT

Step-by-step explanation:

4 0
3 years ago
How to find the vertex: i keep getting (-1,3) what am i doing wrong <br><br> y=x^2+2x+6
larisa86 [58]
You have the -1 correct but when (or if) you put it in the calculator then you have to put it in parentheses and you should get 5 so it would be (-1,5)
3 0
3 years ago
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