3 years ago

Please helppp , 20 points for this question

Mathematics

1 answer:

Oksanka [162]3 years ago

6 0

I believe the answer would be d

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Pleaseeeeee help i will mark brainlest

NNADVOKAT [17]

Answer:

e°=100°

Step-by-step explanation:

Sum of angles in a triangle= 180°

70°+30°+x°=180°

100°+x=180

Collect like terms

x°=180-100

x°=80°

e° is an exterior angle

exterior angle =180- interior angle

180°- x°

180°- 80°

=100°

e°=100°

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Step-by-step explanation:

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2p² - 3 = 15 | What is the value

crimeas [40]

Answer: p= -3

p=-5/2=-2.500

Step-by-step explanation:

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2 years ago

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antiseptic1488 [7]

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The answer would be 3*5*50 which equals 750 kilometers.

Step-by-step explanation:

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4 years ago

<img src="https://tex.z-dn.net/?f=cos%5Cfrac%7Bx%7D%7B2%7D%20%3D" id="TexFormula1" title="cos\frac{x}{2} =" alt="cos\frac{x}{2}

11Alexandr11 [23.1K]

Answer:

$\cos{A}=\pm\sqrt{\dfrac{1+\cos{x}}{2}}$

Step-by-step explanation:

$\cos{A}=\cos{\frac{x}{2}}=\pm\sqrt{\dfrac{1+\cos{x}}{2}}$

Apparently, you're supposed to recognize that the formula tells you the value of cos(x/2).

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4 years ago