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BabaBlast [244]

3 years ago

12

Which of the following statements are true for a trapezoid?

2 answers:

serious [3.7K]3 years ago

5 0

The answer could be A and/ or C because a trapdoor is a 4 sided polygon and that's what quadrilateral means ....and C because there are only one pair of straight lines that are congruent to each other /___\

If this helped PLS mark brainliest

Ugo [173]3 years ago

4 0

The Best answer out of the answers above is option 3. A trapezoid has only 1 set of parallel sides.

Hope this Helps! ~Giz

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A police officer claims that the proportion of accidents that occur in the daytime (versus nighttime) at a certain intersection

Roman55 [17]

Answer: -1.78

Step-by-step explanation:

As per given description, we have

Population proportion : $p=0.35$

Sample size : n= 500

Sample proportion : $\hat{p}=\dfrac{156}{500}=0.312$

Test statistic for population proportion :-

$z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\\\\\\=\dfrac{0.312-0.35}{\sqrt{\dfrac{0.35(1-0.35)}{500}}}\\\\=-1.78146747757\ \ \text{(Simplified)}\\\\\approx-1.78$

Hence, the test statistic for this hypothesis test for a proportion= -1.78

3 0

3 years ago

Tim buys a torch and battery the torch costs 11 times as much as the battery Tim pays with a ?10 note and he gets ?4.84 change h

KengaRu [80]

The cost of 1 battery is 0.43

Step-by-step explanation:

Let the cost of 1 battery be x

We are given that the torch costs 11 times as much as the battery

Cost of torch = 11x

Total cost of 1 battery and torch = 11x+x=12x

Tim pays $10

He receives change of $4.84

Total cost of 1 torch and battery = 10 - 4.84 =$5.16

So, $12x= 5.16$

$x= \frac{5.16}{12}$

$x=0.43$

Hence the cost of 1 battery is 0.43

6 0

3 years ago

Which fraction is between 2/3 and 6/7

MrRa [10]

Answer:

For example, 16/21

Step-by-step explanation:

Are there choices?

There is an infinite number of numbers between any two numbers.

2/3 = 14/21

6/7 = 18/21

One example of a fraction between 2/3 and 6/7 is 16/21

16/21 is between 2/3 and 6/7.

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2 years ago

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Vaselesa [24]

Answer:

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3 years ago

Formula of arc length

vitfil [10]

The formula is

(theta)/360 · 2(pi)r

theta is the given angle

r is radius of the circle

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3 years ago

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