Recent activity by Andrzej Sawoniewicz

Recent activity by Andrzej Sawoniewicz

One year, the population of a city was 64,000. Several years later it was 53,120. Find the percent decrease.

answered Sep 1, 2023

1 answer 218k views

What is ∆H for the reaction of sulfur dioxide with oxygen? 2SO2(g) + O2(g) → 2SO3(g) (∆Hf0 SO2(g) = –296.8 kJ/mol; ∆Hf0 SO3(g) = –395.7 kJ/mol) A.)–98.9 kJ B.)–197.8 kJ C.)1.385 × 103 kJ D.)197.8 kJ

asked Aug 28, 2023

1 answer 217k views

An airplane traveling at 1008 meters above the ocean at 135 km/h is going to drop a box of supplies to shipwrecked victims below. How many seconds before the plane is directly overhead should the box be

asked Aug 27, 2023

1 answer 35.0k views

Classify these two lines y=4x+5 and -4x+y=-13

answered Jul 7, 2023

1 answer 165k views

What is the length of S?

asked Jun 12, 2023

1 answer 73.7k views

Three examples of physical chemistry from our surroundings?

answered Jun 11, 2023

1 answer 103k views

Tayonnaalexandr helppp

answered May 28, 2023

1 answer 215k views

Which of the following numbers is a composite number? A. 31 B. 47 C. 43 D. 33

asked Mar 12, 2023

1 answer 148k views

Find the slope of the line containing the points (3,2) and (-5,4)

answered Feb 16, 2023

1 answer 203k views

A _____ is a set of standards, development tools, and software libraries that help programmers develop software solutions faster and with more consistency.

asked Feb 9, 2023

1 answer 104k views

Please help me solve this question

asked Nov 15, 2022

2 answers 100k views

Kayla has a bowl of beads that contains 42 yellow beads, 28 green beads, 12 white beads, and 18 red beads. She randomly draws a bead from the bowl. The probability of Kayla not drawing a yellow or a green

answered Sep 18, 2022

2 answers 119k views

Solving For X with Perimeter Homework

answered Sep 17, 2022

2 answers 754 views

Find the product 3X×15X²

answered Aug 10, 2022

2 answers 164k views

1/3x + y = 6 -x - 2y = -9 Using elimination

asked Aug 3, 2022

1 answer 36.5k views

20 points for simple math

asked Aug 1, 2022

2 answers 30.6k views

if carl has 20 drums, that are worth 200 each, but owes the cartel $1500 how much drums carl has left

answered Jul 2, 2022

2 answers 173k views

Which of the following would cause the force of kinetic friction to increase? A. A decrease in the normal force B. An increase in us C. A decrease in lk D. An increase in the normal force

answered Jun 11, 2022

2 answers 105k views

How to do simple interest ?

asked May 6, 2022

2 answers 121k views

What was true about the government's reaction to the Bonus Army?

answered Mar 12, 2022

2 answers 70.3k views

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