3 years ago

13. Four coins with tails up.

Mathematics

1 answer:

sashaice [31]3 years ago

8 0

Answer:

Step-by-step explanation:

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In the figure, if m∠ABD = 120º, then m∠ADC = ___

Darya [45]

Okay first, use the sin rule ( $\frac{SinA}{a} = \frac{SinB}{b}$
so $\frac{Sin120}{35} * 30 = SinB$
sin^-1 this and you get 47.928....this is angle ADB
and as it is on a straight line, 180 - this angle gets ADC
180 - 47.928.... = 132.07

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3 years ago

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In a recent semester at a local university, 490 students enrolled in both General Chemistry and Calculus I. Of these students, 6

posledela

I think its 149/ 490. Not sure, but pretty confident. Hope this helps.

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3 years ago

I need to answer and explain

nignag [31]

Answer:

parallel

Step-by-step explanation:

Solve both equations for y to make it easier to compare them.

2x - 5y = 0 ↔ 5y = 2x, or y = (5/2)x.

y = (5/2)x - 3

Since the slopes are the same, the two lines are parallel.

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3 years ago

PLEAS3E CHECK MY ANSWER

IRINA_888 [86]

I'd say the correct answer is D bc it's talking about the SAS theorem, excuse me if I'm wrong tho.

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4 years ago

2/3(2x+1) - 1/2(3x-2)=2 <br> solve for x

bagirrra123 [75]

Answer:

x= -2

Step-by-step explanation:

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3 years ago