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kaheart [24]
2 years ago
14

Find the value of x line 1 and m are parallel Helppp

Mathematics
1 answer:
brilliants [131]2 years ago
7 0

Answer:

The angle ACB = 50 degree.

Step-by-step explanation:

Given that angle E = 40 degree

Angle D = 90 degree

Triangle ABC is congruent to triangle DEC.

Now Angle ACB = Angle ECD = 90 -40 = 50 degree

So, angle ACB = 50 degree.

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Step-by-step explanation:

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2 years ago
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Answer:

Step-by-step explanation:

6 0
2 years ago
find sin(alpha-beta) if sin alpha =-5/13 with alpha between pi and 3pi/2; cos beta=2/5 with beta between 3pi/2 and 2pi
ludmilkaskok [199]
        sin(α) = ⁻⁵/₁₃
sin⁻¹[sin(α)] = sin⁻¹(⁻⁵/₁₃)
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          cos(β) = ²/₅
cos⁻¹[cos(β)] = cos⁻¹(²/₅)
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sin(α - β) = sin(1.1256π - 1.6311π)
sin(α - β) = sin(-0.5055π)
sin(α - β) = -sin(0.5055π)
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8 0
3 years ago
I'll give brainiest for three correct answers
ArbitrLikvidat [17]
(b) 

i do not know number 2 sorry

3. (A)

hope it helps have a great day :D
5 0
3 years ago
Read 2 more answers
Which values of a and b make the following equation true?
zzz [600]

Answer:

A. is correct answer

Step-by-step explanation:

full explanation

6 0
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