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ruslelena [56]
2 years ago
12

Please help! I'll give 50 points!!

Mathematics
1 answer:
bonufazy [111]2 years ago
7 0

Pythagoras' theorem, is a basic relationship between the three sides of a right triangle in Euclidean geometry. The length of side c is 4√2 units.

<h3>What is Pythagoras theorem?</h3>

The Pythagorean theorem, sometimes known as Pythagoras' theorem, is a basic relationship between the three sides of a right triangle in Euclidean geometry. The size of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides, according to this rule.

Given the length of a is 4 units, while the length of b is 4 units. Therefore, the length of side C is,

c = √(4²+4²) = √[2(4)²] = 4√2 units

Hence, the length of side c is 4√2 units.

Learn more about Pythagoras' Theorem:

brainly.com/question/14461977

#SPJ1

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I want to take a survey of students at my university to find out what proportion like the new bus service on campus. I believe t
tatiyna

Answer:

You will need to sample at least 3108 students.

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 level of 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}.

In this problem, we have that:

\pi = 0.75

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

The margin of error is:

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

How many students will I need to survey if I want to estimate, with 99% confidence, the true proportion to within 2%?

You need a sample size of at least n.

n is found when M = 0.02. So

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

0.02 = 2.575\sqrt{\frac{0.75*0.25}{n}}

0.02\sqrt{n} = 1.115

\sqrt{n} = \frac{1.115}{0.02}

\sqrt{n} = 55.75

\sqrt{n}^{2} = (55.75)^{2}

n = 3108

You will need to sample at least 3108 students.

4 0
3 years ago
If you throw a 6 with your first throw of a die, is there more or less chance of throwing another 6 on your second throw?
EastWind [94]
The probability will be the same on each roll.
P(6) = 1/6 no matter how many times you roll the die.
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3 years ago
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k0ka [10]

A is located at (-3,-5) B is located at (1,-9)

-3 + 1 = -2/2 =-1

-5 + -9 = -14/2 = -7

 midpoint is (-1,-7)

7 0
3 years ago
Please answer this question
Maurinko [17]

Answer:

Check pdf

Step-by-step explanation:

Download pdf
4 0
2 years ago
Find the difference between -14w - 3 and 5w.
kirza4 [7]
(-14w) - (-3) - (-5w) equals
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or if what you're saying is
-14w - 3 - 5w it equals
-19w - 3

or if what youre saying is
(-14w - 3) - 5w it equals
-19w - 3


8 0
3 years ago
Read 2 more answers
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