Recent activity by Derek Arends

Recent activity by Derek Arends

A motorist traveled from Ibadan to Lagos, a distance of 142 km at an average speed of 60 km/h. He spent 2 1/2 hours in Lagos and then returned to Ibadan at an average speed of 80 km/h. At what time did

answered Dec 22, 2024

1 answer 168k views

Approximately how much refrigerant vapor is left in an average 350-ton R-123 chiller at 0 psi once all the R-123 liquid has been removed? a) 1 lb b) 10 lbs c) 15 lbs d) 20 lbs

asked Dec 7, 2024

1 answer 84.9k views

What are the 5 requirements for achieving accurate first-round fire for effect?

asked Nov 23, 2024

1 answer 234k views

55,000 J of work is done to move a rock 25 m. How much force was applied ?

answered Nov 15, 2024

1 answer 58.2k views

the terminal side of an angle in standard position passes through P(-3,-4). What is the value of tanØ

answered Oct 25, 2024

1 answer 98.1k views

Why is the 20th Amendment important ?

answered Jun 23, 2024

1 answer 204k views

A very high degree of operating leverage indicates a firm has high fixed costs. has a high net income. has high variable costs. is operating close to its break-even point.

answered May 29, 2024

1 answer 6.6k views

What perrcent of 120 is 48

answered Apr 18, 2024

1 answer 137k views

What did Douglass say about abolitionists during their work in the public?

answered Feb 27, 2024

1 answer 107k views

PQ: P(5,2) Q(-1,6) AB: A(-2,3) B (4,-1) A. Parallel B. Perpendicular C. Neither D. Skew

asked Feb 14, 2024

1 answer 81.8k views

The world’s narrowest electric vehicle is about 35 inches wide and is designed to move down narrow aisles in warehouses. about how wide is this vehicle to the nearest foot?

asked Jan 3, 2024

1 answer 172k views

X^2+48=14x Show work please

answered Nov 14, 2023

1 answer 199k views

Introduction to Ratios: Mastery Test 1 Select the correct answer from each drop-down menu. The ratio of the number of circles to the number of triangles in simplest form is The number of circles that need

asked Oct 24, 2023

1 answer 9.7k views

-j + 0.8 = -0.9j + 0.76 What is the answer :D

asked Oct 20, 2023

1 answer 205k views

(x+1)(x^2-x+1)-2x=x(x+1)(x-1)

asked Jun 25, 2023

1 answer 107k views

I need the answer along with the procedure.

asked Jun 11, 2023

1 answer 151k views

2.8125 as a fraction

answered May 27, 2023

2 answers 82.1k views

Meaning of chloroplast

asked May 7, 2023

2 answers 125k views

Select the correct answer. Which of the following is both a cranial and spinal nerve? A. Vagus nerve B.Trigeminal nerve C. Accessory nerve D.Vestibulochochlear nerve

asked Apr 28, 2023

2 answers 141k views

Find the speed and direction of a plane with a velocity of 〈5,-12〉.

answered Feb 24, 2023

1 answer 21.8k views

Search QAmmunity.org