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3 years ago

Which side in the figure on the right corresponds to the segment WU and what it the scale factor?

Mathematics

1 answer:

goblinko [34]3 years ago

5 0

Answer:

WU corresponds with CD and the scale factor is 3

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3 years ago

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In a scale drawing of a garden, a distance of 35 feet is represented by a line segment 4 inches long. on the same drawing, what

nalin [4]

Answer:

$122.5\ ft$

Step-by-step explanation:

we know that

Using proportion

$\frac{35}{4}\frac{ft}{in}=\frac{x}{14}\frac{ft}{in}\\ \\x=35*14/4\\ \\x=122.5\ ft$

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3 years ago

WILL MARK AS BRAINLIEST!!! 5. A 2011 study by The National Safety Council estimated that there are nearly 5.7 million traffic ac

Artyom0805 [142]

Answer:

Step-by-step explanation:

Hello!

Regarding the reasons that traffic accidents occur:

28% are caused by distracted drivers using cell phones or texting

11% of the drivers' user their phones at any time

The probability of a driver having an accident is 5.26%

DC = event that a randomly selected driver is using a cell phone.

P(DC)= 0.11

TA = event that a randomly selected driver has a traffic accident.

P(TA)= 0.0526

c) and f)

If both events are related, i.e. dependent, then you would expect that the occurrence of one of these events will affect the probability of the other one. If they are not related, i.e. independent events, then their probabilities will not be affected by the occurrence of one or another:

If both events are independent P(TA|DC)= P(TA)

If they are dependent, then:

P(TA|DC)≠ P(TA)

P(TA|DC)= 0.28

P(TA)= 0.0526

As you can see the probability of the driver having an accident given that he was using the cell phone is different from the probability of the driver having an accident. This means that both events are related.

d) and e)

You have to calculate the probability that "the driver was distracted with the phone given that he had an accident", symbolically P(DC|TA)

P(DC|TA) = $\frac{P(DCnTA)}{P(TA)}$

$P(TA|DC)= \frac{P(TAnDC}{P(DC)}$ ⇒ P(DC∩TA)= P(TA|DC)*P(DC)= 0.28 * 0.11= 0.0308

P(DC|TA) = $\frac{0.0308}{0.0526}= 0.585= 0.59$

I hope this helps!

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3 years ago

The volume of a fish tank is 40 cubic feet. If the density is 0.4, how many fish are in the tank?

astra-53 [7]

Answer:

16 fish

Step-by-step explanation:

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3 years ago

What is the polar form of the complex number 4−6i? Keep z in its simplest radical form and round θ to the nearest degree.

solong [7]

Answer:

Step-by-step explanation:

$z=r(cos \theta+\iota sin \theta)=4-6 \iota\\r cos \theta=4\\r sin \theta=-6\\square~and~add\\r^2(cos^2 \theta+sin ^2\theta)=4^2+(-6)2=16+36\\r=\sqrt{52} =2\sqrt{13} \\cos \theta >0~and~sin ~\theta$

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3 years ago

Which side in the figure on the right corresponds to the segment WU and what it the scale factor?​

Which side in the figure on the right corresponds to the segment WU and what it the scale factor?