Mathematics, 25.01.2022 02:20 lol6998
(15−4i)(6−3i)=a+bi
In the equation above, a and b are real numbers and i=−1‾‾‾√. What is the value of a?
a=
Answers: 1
Mathematics, 21.06.2019 13:50
At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)
Answers: 3
Mathematics, 21.06.2019 22:00
You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
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Mathematics, 21.06.2019 22:30
If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air
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(15−4i)(6−3i)=a+bi
In the equation above, a and b are real numbers and i=−1‾‾‾√. What is the value...
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