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anonymous
 5 years ago
pefrom the indicated operation. wirte the result in the from atbi:
(7+9i)(79i)
anonymous
 5 years ago
pefrom the indicated operation. wirte the result in the from atbi: (7+9i)(79i)

This Question is Closed

watchmath
 5 years ago
Best ResponseYou've already chosen the best response.1Using the identity that \((a+b)(ab)=a^2b^2\) we simplify the expression into \(7^2(9i)^2=49+81=130\)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[(7+9i)(79i)=49+81=130\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0a bag of battiries contains 5 batteries which are all the same size and equally selected. each battery is a different brand. if u selected 4 at ramdom. use the wingspaning pricinclple to determine how many points will be in the sample space with or without?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0You beat me to it watchmath :)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0factor by grouping: 6st+21t10s35

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[6st+21t10s35=(6st10s)+(21t35) =2s(3t5)+7(3t5)\] \[=(3t5)(2s+7)\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0x=√4x+12 solve √=this is a square root sign

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how do i give medals. id give you a milllion

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Subtract 12 from both sides, and then square both sides.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Lol. Press on "Good Answer"

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[x=\sqrt{4x}+12 \implies (x12)^2=4x \implies x^224x+1444x=0\] \[\implies x^228x+144=0\] Now, use the quadratic formula to solve the equation.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0found the buttoN! lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0given f(x)=x^24x6, find f(2)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[f(x)=x^24x6 \implies f(2)=2^24(2)6=486=10\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0perform the indicated operation and simplify: 3/t+5/r6 the division sign means over

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Are you sure about the expression?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0oh sorry its 3/r + 5/r6

watchmath
 5 years ago
Best ResponseYou've already chosen the best response.1\(\frac{3(r6)}{r(r6)}+\frac{5r}{r(r6)}=\frac{8r18}{r(r6)}\)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0simplify and add or subratct wherever possible: √36√12=4√192
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