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2 years ago

I need help and the answer for this practice question please help

Mathematics

1 answer:

muminat2 years ago

4 0

Answer:

The answer is ∆XWY. The reason being both sides are congruent.

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Help me please!!!!! I don't know this :(

Vsevolod [243]

Answer:

10 30

15 45

so the third one

Step-by-step explanation:

It being multiplied by 3

2x3=6

3x3=9

10x3=30

15x3=45

8 0

2 years ago

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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

The width-to-height ratio of a certain computer monitor

Mnenie [13.5K]

<h2>24 inches</h2>

Step-by-step explanation:

It is given that $\frac{\textbf{width of computer monitor}}{\textbf{height of computer monitor}}=\frac{16}{9}$

It is given that $\text{height of computer monitor}=13.5$

$\text{width of computer monitor} =\text{height of computer monitor}\times \frac{16}{9}$

$\text{width of computer monitor}=13.5\times \frac{16}{9} =\frac{216}{9} =24$

Hence the required width in inches is 24.

5 0

3 years ago

Helphelphelp please!!!!!!!!!!!!!!!!!!!!!!

Allushta [10]

Answer:

cheryl

Step-by-step explanation:

7 0

3 years ago

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Find the area of the figure below

icang [17]

Answer:

324

Step-by-step explanation:

Simplify it

3 0

3 years ago