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3 years ago

11

Which of the following equations has a slope of 1/2 and a y-intercept of 9?

1 answer:

IceJOKER [234]3 years ago

4 0

Y=1/2x+9 is the answer

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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:

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

3 0

3 years ago

???????......????...??..??…??..?.?.?..

alexgriva [62]

Answer:

Step-by-step explanation:

3 0

2 years ago

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D=<img src="https://tex.z-dn.net/?f=d%3D%5Csqrt%7Bx%7D%20%281-%28-5%29x%5E%7B2%7D%20%2B%20%28-5-3%29x%5E%7B2%7D" id="TexFormula1

aleksandr82 [10.1K]

Bro i don’t know either

3 0

3 years ago

¿What is the density of a rock if it has a mass of 50 g and a volume of 10 mL?

yan [13]

D=m/v so d=50/10=5

The density is 5g/ml

It might be ml^3 (5g/ml^3) but I don’t remember

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3 years ago

(4 6) and (5 0) calculated distance and can I also have the working ? Thx

nataly862011 [7]

Answer:√37

Step-by-step explanation:

Decimal Form: 6.08276253...

3 0

2 years ago

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