All Questions ⁺⁰237770 Questions

+3

1881

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How to solve, do NOT guess and check.

Chloe charged for admission to her play on three different nights. Each night, a different number of people were in attendance, but remarkably, Chloe collected $541 each night. If the admission charges for each child and each adult were $9 and $17, respectively, read more ..

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CalculatorUser Jun 22, 2019

0

1234

1

Help

We can represent complex numbers geometrically by plotting them on the "complex plane", just like we plot points on the Cartesian plane. The real part of the read more ..

Guest Jun 22, 2019

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2188

2

Help

Compute $(1 + i)(1 + 2i)(1 + 3i)$.

Guest Jun 22, 2019

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2887

1

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Complex numbers are often used when dealing with alternating current (AC) circuits. In the equation $V = IZ$, $V$ is voltage, $I$ is current, and $Z$ is a value known as impedance. If $V = 1-i$ and $Z=1+3i$, find $I$. Express your answer as a complex number read more ..

Guest Jun 22, 2019

0

1552

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+9677

Got a question

In , what is the maximum value of ?
I have solved the counterpart of this question with sin instead of cos. I used Jensen's inequality to get the result that the maximum occurs at A = B = C = pi/3. However, as the concavity of y = read more ..

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MaxWong Jun 22, 2019

-3

969

4

+73

Interval Notation

How do you do interval notation?

CuteDramione Jun 22, 2019

-3

947

9

+73

a) What is the domain of the function ?

a) What is the domain of the function ?
b) What is the range of the function ?
c)The domain of the function . What is the range?
Hellp me, dont give me all of the answer, read more ..

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CuteDramione Jun 22, 2019

-3

880

1

+73

okkkkk sorry.

What is the range of the function ?
Enter your answer in interval notation (see the instructions below). Rational endpoints that are not integers should be entered as fractions in simplest form.

Hellp read more ..

CuteDramione Jun 22, 2019

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