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Artemon [7]
3 years ago
6

A piece of ornament is made by mixing bronze, zinc and silver. In that

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
7 0

Answer:

B a shdhdh gdhd hdhdhhdhdg

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Please help!!!!!!!!!!!
rjkz [21]

Answer:

95°

Step-by-step explanation:

[character limit thing]

8 0
3 years ago
DOES SOMEONE KNOW HOW TO DO THIS
34kurt

Answer:

yah how do u do that

Step-by-step explanation:

4 0
3 years ago
Why is the letter i the square root of negative one ( <img src="https://tex.z-dn.net/?f=%5Csqrt%7B-1%7D" id="TexFormula1" title=
Alja [10]

Answer:

It is an imaginary number.

Step-by-step explanation:

The square root of negative one is "i," the imaginary number. This concept is immensely useful in mathematics, as it allows for there to be square roots of negative numbers, which is otherwise not possible using only real numbers.

Any number that includes a negative square root is called an imaginary number. For example, the square root of -9 equals 3i, an imaginary number. When an imaginary number and a real number are combined, for example 2 + 3i, this is called a complex number. Complex numbers have many real world applications, including manipulating sound waves and calculating electrical currents.

3 0
3 years ago
2 * 10^-4 - 1 * 10^-5<br><br> Show your work.
gladu [14]
<span>2 * 10^-4 - 1 * 10^-5
= 10^-4 ( 2 - 1 * 10^-1)
= 10^-4 ( 2 - 0.1)
= 10^-4 (1.9)
= 1.9 * 10^-4

hope it helps</span>
7 0
3 years ago
A normal distribution has a mean of 101 and a standard deviation of 3.4. What is the z-score of 105? Enter your answer, rounded
oee [108]

Answer:

Z-score = 1.18

Step-by-step explanation:

The z-score measures how many standard deviations from the mean a data is

Therefore the z score is the quotient between the difference between a value and the mean and the standard deviation

Z =\frac{X-\mu}{\sigma}

Where

μ is the mean, x is a data of the population and \sigma is the standard deviation

In this case

\mu =101\\\\\sigma = 3.4\\\\X = 105

Then the z-score is

Z = \frac{105-101}{3.4}\\\\Z = 1.18

4 0
3 years ago
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