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3 years ago

Which is not a pair of congruent angles in the diagram below?

Mathematics

2 answers:

alexgriva [62]3 years ago

7 0

Answer:

B. Angles ABD and BAD

Step-by-step explanation:

Markings are different

kvv77 [185]3 years ago

3 0

Answer:

B. Angles ABD and BAD

Step-by-step explanation:

The way that you tell which angles are congruent, are based on the angle marks. Angle A and C are congruent because they both contain 3 of the congruency marks, meaning they would equal the same degree. The answer is B because starting with angle BDA, B is your starting point, whereas D is the angle and A is the point you end on. With angle BAD, you start at point B and end at D, making angle A the one you're looking at. Because angle A contains 3 congruency marks, while angle B only contains one, this makes the two angles NOT congruent. Hope this helps. :)

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If a spinner for a game is spun once, there is a 25% chance it will land on

bonufazy [111]

Answer:

$Pr = 0.6$

Step-by-step explanation:

Given

Let

$O \to Orange$

So:

$P(O) = 25\%$ --- probability of O

$n=2$ --- Number of spin

Using the complement rule, the probability that a spin will not land on orange is:

$P(O') = 1 - P(O)$

$P(O') = 1 - 25\%$

Express as decimal

$P(O') = 1 - 0.25$

$P(O') = 0.75$

On two spins, the probability that it will not land on orange is:

$Pr = P(O') * P(O')$

So, we have:

$Pr = 0.75* 0.75$

$Pr = 0.5625$

$Pr = 0.6$ --- approximated

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miskamm [114]

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3 years ago

Question 6

pishuonlain [190]

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3 years ago

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jeka57 [31]

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Read 2 more answers

The cost to rent a construction crane is $750 per day plus $250 per hour of use. What is the maximum number of hours the crane c

anzhelika [568]

Let's use x to represent the number of hours since we don't know that.

750+250x<2500
Subtract 750 from both sides.
250x<1750
Divide both sides by 250.
x<7
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6 0

3 years ago