3 years ago

Please answer now this is a big test which description best fits the group

Mathematics

1 answer:

Alina [70]3 years ago

3 0

Answer:

Always decreasing so answer B

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3 years ago

Find the modulus of the complex number 6-2i

Papessa [141]

Answer:

The modulus of the complex number 6-2i is:

$|z|\:=2\sqrt{10}$

Step-by-step explanation:

Given the number

$6-2i$

We know that

$z = x + iy$

where x and y are real and $\sqrt{-1}=i$

The modulus or absolute value of z is:

$|z|\:=\sqrt{x^2+y^2}$

Therefore, the modulus of $6-2i$ will be:

$z=6-2i$

$z=6+(-2)i$

$|z|\:=\sqrt{x^2+y^2}$

$|z|\:=\sqrt{6^2+\left(-2\right)^2}$

$=\sqrt{6^2+2^2}$

$=\sqrt{36+4}$

$=\sqrt{40}$

$=\sqrt{2^2}\sqrt{2\cdot \:5}$

$=2\sqrt{2\cdot \:5}$

$=2\sqrt{10}$

Therefore, the modulus of the complex number 6-2i is:

$|z|\:=2\sqrt{10}$

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3 years ago

Tony has a bag containing five balls: one red, one blue, one

Ratling [72]

Answer:

20 percent

Step-by-step explanation:

100(%) (all 5 balls) ÷ 5 = 20(%)

5 0

3 years ago

Read 2 more answers

Please answer now this is a big test which description best fits the group​

Please answer now this is a big test which description best fits the group