Recent activity by Jeffrey LeCours

Question

Which expressions represent real numbers and which represent complex numbers? a) (0 + 4i) b) (7i^2 + 6i^3) c) (√((-3)^2)) d) (-1 + 3i^2) e) (i^4) f) (√(-3)) g) (409) h) (-2 + 5i)

asked Dec 25, 2024

1 answer 89.4k views

Correct the SINGLE error in each of the following sentences. Write down ONLY the question numbers and the words you have corrected. (a) WASH is an acronym that stand for Wash, Sanitation, and Hygiene.

answered Dec 24, 2024

1 answer 59.5k views

A windmill is operating at a steady wind speed of 20 mph. Determine the wind energy: a) per unit mass b) for a mass of 20 lbs c) for a flow rate of 2500 lb/s

answered Nov 18, 2024

1 answer 3.3k views

Find the value of c that makes x^2 - 16x + c a perfect square. a) c = 64 b) c = 32 c) c = 16 d) c = 8

asked Nov 4, 2024

1 answer 217k views

What is the wavelength of radiation with a frequency of 1.50x10¹³ Hz? Does this radiation have a longer or shorter wavelength than red light?

answered Oct 20, 2024

2 answers 155k views

Parker Hi-Fi Systems Parker Hi-Fi Systems, located in Wellesley, Massachusetts, a Boston suburb, assembles and sells the very finest home theater systems. The systems are assembled with components from

asked Aug 1, 2024

1 answer 47.6k views

Techno Technical Services is working on a six-month job for a client, starting on March 1. It will collect $18,000 from its customer when the job is finished but the revenue is earned evenly over the six

answered Jul 31, 2024

1 answer 197k views

Which events occur during weeks 13-16 of fetal stage development

asked Jul 23, 2024

1 answer 13.6k views

An isosceles triangle has two angles both equal to x. The third angle is 45 degrees bigger than either of these. Find the value of x.

answered Jul 20, 2024

2 answers 147k views

Name the verbs in the following sentences, and tell whether they are in the active or in the passive voice 1.i see a dark cloud

asked Jun 3, 2024

1 answer 212k views

Name the following: The branch of knowledge that deals with the creation and use of technical means and their interrelation with life, society, and the environment and dominates society in feed

answered May 5, 2024

1 answer 27.0k views

E is located at (-4,1), and G is located at (6,-3). What are the coordinates of H?

answered Apr 12, 2024

1 answer 109k views

Asystole and pulseless electrical activity are (non-shockable/shockable) rhythms

answered Feb 20, 2024

1 answer 122k views

Train a travels east at 60 mph. train b travels west at 70 mph. how far apart will they be in two hours?

answered Jan 13, 2024

1 answer 91.4k views

PLEASE HELP, LIMITED TIME! Read the paragraph below, paying specific attention to the sentences in bold. () >is bold (Some people embody the concept of "tough love.") In Of Mice and Men, the main character

answered Jan 13, 2024

2 answers 135k views

Use father to make a sentence

asked Jan 6, 2024

1 answer 215k views

Why is HIV so difficult to treat?A) Because scientist cannot understand how it transmitted to humans in the first placeB) Because scientists do not understand why chimpanzees don't contract AIDSC) Because

answered Dec 10, 2023

1 answer 1.5k views

magine you were just elected governor of your state. Based on your state’s needs, what are the three most important responsibilities you have to help the citizens? Which department head will you appoint

answered Nov 26, 2023

1 answer 147k views

Find the lengths of the missing sides on the similar shapes at right.

asked Oct 21, 2023

1 answer 127k views

When he was in elementary school, Joachim loved to read. However, when he got to middle school, he was rewarded by his teachers every time he finished a book. Eventually, Joachim came to attribute his

asked Aug 19, 2023

1 answer 37.5k views

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