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myrzilka [38]
3 years ago
10

What is the value of x?

Mathematics
2 answers:
KatRina [158]3 years ago
7 0

Answer:

X = 98°

Step-by-step explanation:

53° + 45° + FGH = 180° ( Interior angle property)

FGH = 180° - 98 °

FGH = 82°

Now,

By x would be solved through linear pair.

x° + 82° = 180° ( linear pair)

x° = 180° - 82°

x = 98°

hope it helps!

mylen [45]3 years ago
7 0
X=98% u got to add 45 n 53
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Which value of y makes the equation true. 72=y over6
Lina20 [59]

Answer:  y = 432

Step-by-step explanation:

72 = y/6

y = 6 x 72

y = 432

6 0
3 years ago
Evaluate : <br> \(\cos 12 \cos 24 \cos 36 \cos 48 \cos 72 \cos 84\)
NeTakaya
The answer in itself is 1/128 and here is the procedure to prove it:
cos(A)*cos(60+A)*cos(60-A) = cos(A)*(cos²60 - sin²A) 

<span>= cos(A)*{(1/4) - 1 + cos²A} = cos(A)*(cos²A - 3/4) </span>

<span>= (1/4){4cos^3(A) - 3cos(A)} = (1/4)*cos(3A) </span>

Now we group applying what we see above

<span>cos(12)*cos(48)*cos(72) = </span>
<span>=cos(12)*cos(60-12)*cos(60+12) = (1/4)cos(36) </span>

<span>Similarly, cos(24)*cos(36)*cos(84) = (1/4)cos(72) </span>

<span>Now the given expression is: </span>

<span>= (1/4)cos(36)*(1/4)*cos(72)*cos(60) = </span>

<span>= (1/16)*(1/2)*{(√5 + 1)/4}*{(√5 - 1)/4} [cos(60) = 1/2; </span>
<span>cos(36) = (√5 + 1)/4 and cos(72) = cos(90-18) = </span>
<span>= sin(18) = (√5 - 1)/4] </span>
<span>And we seimplify it and it goes: (1/512)*(5-1) = 1/128</span>
4 0
3 years ago
A quadrilateral has angles that measure 74°, 93°, and 117°.
Lana71 [14]

Answer:

D

Step-by-step explanation:

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3 0
3 years ago
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Each week, Abigail earns $75 for every shift she works at the pizzeria and $25 for every dog-walking job. She uses the expressio
Fed [463]
75x + 25y

Part A: coefficients = 75 & 25 variables = x & y

Part B: Terms = 2
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- term 2: 25y

Terms are the different parts or groups of an equation. Therefore, 75x is one term and the other is 25y. They are each a part of the equation. Without them you wouldn't have an equation at all.

Part C: Pizzeria pay = 75x because that is how much she makes each shift she works.

- Hope this helps. =)
4 0
3 years ago
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The mean sustained wind velocity, v, can be determined by the equation , where p is the air pressure, in millibars, at the cente
inn [45]

The mean sustained wind velocity has the equation:

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hope this helps!!!!!!!!!!!!


8 0
3 years ago
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