Recent activity by Alex Koshelev

Recent activity by Alex Koshelev

Determine if the following statements are true or false :)

asked Dec 18, 2024

1 answer 51.3k views

A source of sound is traveling at 70 mph. an observer is traveling at 30 mph. rank the following from lowest to highest frequency heard by the observer. a. source traveling east in front of the observer

asked Nov 18, 2024

1 answer 164k views

Uan is reading Harry Potter and the Chambers of Secrets at a rate of 25 pages per hour. If the book has 250 pages, write an equation to determine how long it will take Juan to read the entire book. a)

answered Oct 25, 2024

1 answer 202k views

What does the root form mean in the word formulate? join keep defeat shape

asked Oct 9, 2024

1 answer 184k views

The _____________ suture is completely closed in males at 26 years and above, in females at 29 and above

answered Sep 30, 2024

1 answer 176k views

"One child, one teacher, one book and one pen can change the world" – Malala Yousafzai

answered Aug 11, 2024

1 answer 183k views

Nociceptors (pain receptors/fibers) help the body to _______. A. Ignore pain signals B. Transmit pain signals C. Regulate temperature D. Generate energy

asked Jul 27, 2024

1 answer 23.7k views

If x1,x2,x3 are independent random variables that are uniformly distributed over (0, 1). show that the probability that the largest of the three is greater than the sum of the other two is a) 0 b) 0.25

answered Jun 21, 2024

1 answer 168k views

Where are the strongest winds found?

answered Jun 6, 2024

1 answer 12.5k views

Which is a mark of good science: a) Uses over-simplified interpretations of legitimate studies and may combine with imprecise, spiritual or new age vocabulary, to form new, completely untested theories.

asked May 8, 2024

1 answer 82.1k views

The supply curve in the labor market is upward-sloping if: a. the substitution effect of a tax change dominates the income effect. b. the income effect of a tax change dominates the substitution effect.

asked Mar 27, 2024

1 answer 80.8k views

what are the products of aerobic cellular respiration? (choose all that apply) group of answer choices carbon dioxide (co2) water (h2o) light energy sugar (c6h12o6) oxygen (o2) atp

answered Mar 22, 2024

1 answer 41.7k views

The ratio of runners to walkers in the fund raiser was 6 to 1. If there were 10 walkers, how many runners were there?

asked Feb 18, 2024

2 answers 146k views

What is the weight percent of ammonia in 3.33 m NH3(aq)? a) 0.332% b) 5.37% c) 5.67% d) 6.01% e) 56.7%

answered Jan 20, 2024

1 answer 113k views

The symbiotic relationship between a bird building a nest in a tree is A. negative only for the bird. B. negative only for the tree. C. neutral only for the tree.

asked Jan 8, 2024

1 answer 86.6k views

You own a portfolio that has a total value of $280,000 and it is invested in Stock D with a beta of .73 and Stock E with a beta of 1.52. The beta of your portfolio is equal to the market beta. What is

asked Jan 7, 2024

1 answer 37.1k views

SLOVE THIS IF YOUR SMART IF YOU SLOVE YOU GET A

answered Oct 11, 2023

2 answers 229k views

Question 5 of 5 A spiral staircase like the one shown can be a model of the structure of a DNA molecule. In this model, what do the steps on the staircase represent?

asked Sep 8, 2023

1 answer 102k views

I Need Help Guys , Been in it for 30 minutes

asked Jul 23, 2023

1 answer 154k views

I’m checking my answer. I need to know if it’s right :3 :3 :3

asked May 20, 2023

1 answer 24.7k views

Search QAmmunity.org