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3 years ago

The plus minus of a player for the first forty games of the season is listed below. A plus when is your team scored more

Mathematics

1 answer:

Tamiku [17]3 years ago

4 0

Answer:

take the population mean divided by four

Step-by-step explanation:

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Divide. a.1 − 2i/2i b. 5 − 2i/5 + 2i c.√3 − 2i/−2 − √3i

Umnica [9.8K]

Answer:

(a) \frac{-1i}{2}-1[/tex]

(b) $\frac{20i+21}{29}$

Step-by-step explanation:

We have to perform division

(a) $\frac{1-2i}{2i}$

So after division

$\frac{1-2i}{2i}=\frac{1}{2i}-\frac{2i}{2i}=\frac{-1i}{2}-1$

(b) We have given expression $\frac{5-2i}{5+2i}$

After rationalizing $\frac{5-2i}{5+2i}\times \frac{5-2i}{5-2i}=\frac{(5-2i)^2}{25+4}=\frac{25+4i^2+20i}{29}=\frac{20i+21}{29}$

After rationalizing

$\frac{\sqrt{3}-2i}{-2-\sqrt{3i}}\times \frac{-2+\sqrt{3i}}{-2+\sqrt{3i}}=\frac{-2\sqrt{3}+7i+2\sqrt{3}}{7}=\frac{7i}{7}=i$

5 0

3 years ago

Finding the roots (zeros)

GenaCL600 [577]

Answer:

1.5 + 1.3228756555323i

1.5 - 1.3228756555323i

Step-by-step explanation:

y = ax^2 + bx + c

a = 1, b = -3, c = 4

Using the quadractic formula:

$\frac{-b±\sqrt{b^2-4ac} }{2a} \\\\= \frac{3±\sqrt{9-4(1)(4)}}{2(1)}\\\\= \frac{3±2.64i}{2}\\\\= 1.5 ± 1.32$

Note: Kindly ignore the A in the above solution ^

Hence, there is no real solution. It has complex roots.

Feel free to mark this as brainliest! :D

4 0

2 years ago

Find the product. (4/5)(9/5)(-1/2)

MatroZZZ [7]

I believe it’s -0.72

5 0

3 years ago

Read 2 more answers

Pure salt is made up of sodium and chloride. Each gram

expeople1 [14]

Answer:

141.73g

Step-by-step explanation:

4 0

3 years ago

Rewrite the expression in a simpler way: (only one sign between integers and no parentheses).

torisob [31]

Answer: 28 - 8

Step-by-step explanation:

Adding a negative number is the same as subtracting its absolute value (:

7 0

2 years ago