2 years ago

Please give me the answer (click on file)

Mathematics

1 answer:

Dovator [93]2 years ago

5 0

Answer:

x = 122

Step-by-step explanation:

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3 times the sum of a number and 2

kompoz [17]

Answer:

is this actually a question

Step-by-step explanation:

6 0

3 years ago

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2. Describe how to use the conjugate to divide 2 − i by 3 + 2i, and then find the quotient.

DaniilM [7]

Answer:

$\frac{4}{13}-\frac{7}{13}i$

Step-by-step explanation:

$\frac{2-i}{3+2i}$

Multiply and divide by the conjugate.

The conjugate is the denominator with the sign of the complex number the opposite of the denominator.

$\frac{2-i}{3+2i}\frac{3-2i}{3-2i}\\ =\frac{2\times (3-2i)-i\times (3-2i)}{3^2-(2i)^2}\\ =\frac{6-4i-3i+2i^2}{9+4}\\ =\frac{4-7i}{13}\\ =\frac{4}{13}-\frac{7}{13}i$

Quotient = $\frac{4}{13}-\frac{7}{13}i$

7 0

3 years ago

Which of the following are the subset of ,B={1,2,3,4,5,6,7,8,9,10}.

Verdich [7]

Answer:

A, C, T

Step-by-step explanation:

A subset simply means a set of which all of its elements are contained in a larger set :

To obtain the subsets of B={1,2,3,4,5,6,7,8,9,10}.

We observe the smaller sets whose entire elements can be found in B

D={0,2,4,6,8,10,12} = not a subset of B ; B does not contain 0

A={5,6,7} = subset of B, all elements Cann be found in B

C={2} = subsets of B, 2 can be found in B

T={1,2,3,4,5,...,8} = subset of B; all elements can be found in B

4 0

3 years ago

"calculate the number of permutations possible when using the first five letters of the alphabet to create 3-letter words.

Hitman42 [59]

That is 5! / (5-3)! = 120 / 2 = 60 answer

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4 years ago

What is the value of the digit 5 in the number 4,578.364

hichkok12 [17]

Answer:

500

have a nice day!

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3 years ago

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Please give me the answer (click on file) ​

Please give me the answer (click on file)