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andrey2020 [161]
3 years ago
11

Here is a rectangle ABCD.

Mathematics
1 answer:
bearhunter [10]3 years ago
8 0

Answer:

25% increase

Step-by-step explanation:

length is 24 inches after the increase and width is 33 inches (i did length as up and down and width as side to side, that's how I always do it but I might be wrong let me know and I can fix it)

the area before it gets increased it 600

after the increase its 792

and 600 is 75.75% of 792

so it would be 25.25% increase

sorry this was so long hope this helps

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Marrrta [24]
<h2>It is an obtuse angle.</h2>

Step-by-step explanation:

Obtuse: An obtuse angle is an angle more than 90^\circ but less than 180^\circ.

Example : 110^\circ,135^\circetc.

Acute : An acute angle is an angle less than 90^\circ

Example : 30^\circ,45^\circ etc.

Straight : A straight angle is 180^\circ.

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Zoe wants to make a driveway.
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3 years ago
A study of recent records of car accidents revealed that average proportion of drivers who were distracted by their phones at th
aksik [14]

Answer:

At least 547 records need to be studied.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence interval 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

Z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

And the margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

95% confidence interval

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so z = 1.96.

In this problem, we have that:

M = 0.04, p = 0.35

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.04 = 1.96\sqrt{\frac{0.35*0.65}{n}}

0.04\sqrt{n} = 0.93486

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At least 547 records need to be studied.

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3 years ago
What is 412 divine by 8 but in Interpret the remainder Way please help
MatroZZZ [7]

The answer is 51 remainder 4      because 51* 4 =408 and 412 + 4 = 412

5 0
3 years ago
Sara wants to keep her phone bill under $40 each month. There is a flat fee of $34 and she is charged $0.05 per text message, t.
alukav5142 [94]

Answer:

320 messages

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8 0
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