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3 years ago

∠A and ∠B are vertical angles. If m∠A=(3x-30)° and m∠B=(2x-9)°,then find the value of x.

Mathematics

1 answer:

olganol [36]3 years ago

8 0

Answer:

x = 21°

Step-by-step explanation:

Vertical angles have the same measures, therefore:

3x - 30 = 2x - 9

x - 30 = -9

x = 21°

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cricket20 [7]

Answer:

m∠ADC = 90°

Step-by-step explanation:

Since, AB║CD and side AD is a transverse intersecting these parallel lines,

m∠DAC + m∠ADC = 180° [Consecutive interior angles]

85° + m∠ADC = 180°

m∠ADC = 180 - 85

= 95°

Therefore, measure of angle ADC = 95° will be the answer.

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3 years ago

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Mariulka [41]

Answer:

$D) y=-\frac{2}{3}x+ 2$

Step-by-step explanation:

$Equation ~ of ~ the ~ line~ is ~ y=mx+b\\\\m= slope\\\\b=y-intercept$

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2 years ago

If an infinite series will__ it does not converge?

Maslowich

Answer:

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Step-by-step explanation:

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3 years ago

Don’t really remember how to do this 8-9

yulyashka [42]

8-9=-1 because it does not stop it goes to the negative number -1

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