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just olya [345]
3 years ago
13

Which statement is true? A. Point estimates are used to make inferences about population parameters. B. When we use the populati

on mean and proportion to summarize information about the entire population, we call them point estimates. C. The population mean and proportion are always equal to their corresponding point estimates. D. The sample mean and sample proportion of a population are called population parameters. Reset
Mathematics
2 answers:
Serjik [45]3 years ago
6 0
The answer is d. . .
SCORPION-xisa [38]3 years ago
3 0

Answer:

the answer is d

Step-by-step explanation:

cause its d

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Each leg of a 45-45-90 triangle has a length of 6 units. What is the length of its hypotenuse?
andreyandreev [35.5K]
Use the Pythagorean theorem:
(\hbox{one leg})^2+(\hbox{the other leg})^2=(\hbox{hypotenuse})^2 \\
6^2+6^2=x^2 \\
6^2 \times 2=x^2 \\
\sqrt{6^2 \times 2}=x \\ \sqrt{6^2} \times \sqrt{2}=x \\ 6\sqrt{2}=x

 
The length of the hypotenuse is 6√2 units.
5 0
3 years ago
What is -3/11 as a decimal
Marianna [84]
It is possible to convert a fraction to a decimal in mathematics. First, -3/11 is a fraction. To convert a fraction which is -3/11, divide 3 by 11 which you get .272727... and you get the idea. The '27' repeats. Therefore, the answer would be -.27 with a <span>Vinculum symbol which is a horizontal line above the number to indicate its repeating. Also, don't forget to put a negative sign!</span>
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=100%20%5Ctimes%2068%20%5Cdiv%2015" id="TexFormula1" title="100 \times 68 \div 15" alt="100 \ti
goldfiish [28.3K]
The answer is 453 rounded
4 0
4 years ago
What is the surface area of the right cone below?
8_murik_8 [283]

<h2>\red{Solution} \blue \longrightarrow</h2>

Total surface area of cone is 176π

<h3>Explanation:</h3>

Surface area of curved surface of a cone is give by π⋅r.l , where r is the radius and l is the slant height of the cone.

Hence surface area of curved surface of a cone is π×8×14=112π .

As surface area of base is π×82=64π .

Hence total surface area is 112π+64π=176π

8 0
3 years ago
Can you please answer this?
Svet_ta [14]
A) x + 4y = -15
B) -2x -8y = 30
Multiplying A) by 2
A) 2x + 8y = -30
This has NO solution because A) and B) are actually the same equation.
Equation B = Equation A times minus 2.


6 0
3 years ago
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