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3 years ago

PLEASE HELP!! THIS IS MY LAST QUESTION PLEASE!! (Answeer all the problems)

Mathematics

2 answers:

forsale [732]3 years ago

5 0

Answer:

see explanation

Step-by-step explanation:

Given a complex number in standard form a ± bi , then

the conjugate is a ∓ bi

That is the real part is unchanged while the sign of the imaginary part changes.

(22)

The conjugate of $\sqrt{7}$ is - $\sqrt{7}$ ( treat the real part as 0 )

(23)

The conjugate of - 6i is + 6i

(24)

The conjugate of - 2 + i is - 2 - i

Olegator [25]3 years ago

4 0

Answer:

49, 1.5i, 0.25 + 0.5i

Step-by-step explanation:

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Gennadij [26K]

Step-by-step explanation:

first what is 10 take away 2 is 8 then 10 take away 2 is 8 + 2 equals 10 8 + 2 equals 10 so that's how I got the answer 10

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3 years ago

What is number 315,962,004 write in words

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Answer:

three hundred fifteen million nine hundred sixty two thousand four

Step-by-step explanation:

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2 years ago

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What are the zeros of the quadratic function f(x) = 2x2 – 10x – 3?

Ipatiy [6.2K]

Answer:

$x = \frac{ 5 \ + \ \sqrt{31}}{2} \ , \ x = \frac{ 5 \ - \ \sqrt{31}}{2}$

Step-by-step explanation:

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$x = \frac{ 5 \ + \ \sqrt{31}}{2} \ , \ x = \frac{ 5 \ - \ \sqrt{31}}{2}$

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2 years ago

Keke has 12 cups and 17 plates for a party how many cups does keke have

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3 years ago

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Last week a candle store received $515.90 for selling 30 candles. Small candles sell for $11.25 and large candles sell for $22.4

alex41 [277]

Answer:

Step-by-step explanation:

x+y=30 solve for x x=30-y

substitute x with 30-y and solve

11.25x+22.4y=515.9

11.25(30-y)+22.4y=515.9

337.5+11.15y=515.9

11.15y=178.4

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since we're solving for just large candles it's 16

if need small cangle number 30-16=14

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3 years ago