Recent activity by Queenie

Recent activity by Queenie

Cobalt-60 is used for radiotherapy. It has a half-life of 5.26 years. If 4 g of cobalt-60 is administered, how much remains in 3 years?

asked Nov 28, 2023

1 answer 175k views

A standard set of dominoes contains 28 tiles, with each tile having two sides of dots from 0 to 6. Of these tiles, 7 have the same number of dots on each side. If four players each randomly choose a tile,

asked Nov 7, 2023

1 answer 2.6k views

Which of the following is an equivalent expression to the expression a1/3 / a1/4 A. A1/12 B. A7/12 C. 1/1/1/a12 D. 1/7/a12

answered Oct 6, 2023

2 answers 197k views

Use the passage to answer the question. Sarah is writing a letter to her teachers with the claim that students should have less homework. She has three pieces of evidence: 1. Students do not do their homework

asked Jul 5, 2023

2 answers 95.5k views

Goran rented a truck for one day There was a base fee of $ 19.99 , and there was an additional charge of 81 cents for each mile driven Goran had to pay $ 220.06 when he returned the truck For how many

asked Jun 19, 2023

1 answer 5.9k views

Hey not really a question for anything I'm just try and see if I could get anyone to talk to on here cause I have no one else to talk to

answered Jun 2, 2023

2 answers 206k views

Find X please show work if u can (picture down below)

asked May 8, 2023

1 answer 120k views

Which of the following chemical reactions is a decomposition reaction? 2 HgO → 2 Hg + O2 Al + 3 CuCl → AlCl3 + 3 Cu 2 H2 + O2 → 2 H2O HCl + NaOH → NaCl + H2O

answered Jan 24, 2023

2 answers 54.6k views

-)) Aiden ordered a set of beads. He received 150 beads in all. 24 of the beads were brown. What percentage of the beads were brown?

asked Jan 17, 2023

1 answer 129k views

Is the cost for admission in dollars, proportional to the number of adults entering the movie theatre

answered Dec 23, 2022

1 answer 147k views

I need help! Is the United States a developing country??

answered Dec 11, 2022

2 answers 179k views

Instructions: Put the following sentences in order so that the paragraph makes sense. By the fourth quarter, the score was tied, seven to seven. She already had a ride and asked me if I wanted to go with

answered Nov 28, 2022

1 answer 10.6k views

5-2(9) +9²÷3 please help me

answered Nov 21, 2022

1 answer 185k views

What is the answer for 6 and 7!!

asked Nov 6, 2022

1 answer 39.8k views

The steam engine, which drove the industrial revolution, was powered by? A). Steam B). Oil C). Wood D). Coal

asked Oct 1, 2022

2 answers 214k views

P/o/i/t/s/f/r/e/e/;) denada

answered Sep 19, 2022

1 answer 123k views

Which of the following would be a good hypothesis for this experiment? If the surface of the floor material is changed, then the ball will rebound to a different height. Dropping the ball from a height

asked Aug 4, 2022

1 answer 52.9k views

APPROXIMATELY HOW MANY people in the world are hungry

answered May 23, 2022

2 answers 28.9k views

−12x−(12x+4)+12=17x−6(3x+56)

asked May 16, 2022

2 answers 192k views

Please give me the correct answer.Only answer if you're very good at math.

answered May 12, 2022

2 answers 55.5k views

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