Recent activity by Dirk Hillbrecht

Recent activity by Dirk Hillbrecht

(a+b)^2-2(a+b) Factorise (please explain)

asked Dec 3, 2023

1 answer 141k views

Which property could be used to separate a mixture of salt and water? Responses magnetism electrical conductivity mass boiling point

answered Nov 28, 2023

1 answer 69.5k views

A baseball team plays a total of 200 games. They won 182 games. What percent of the games did they win?

answered Sep 25, 2023

1 answer 36.6k views

17x+11=19x-3 solve for x

asked Jul 8, 2023

2 answers 193k views

Do you have to use distilled water in a humidifier.

answered Jul 8, 2023

1 answer 31.4k views

"it’s two in the afternoon back in new york. i wonder what ron and john are doing. i bet __________ lunch."

asked Apr 13, 2023

1 answer 79.7k views

For the following reaction:___Ca(NO3)2 + ____Li3PO4 --> ___LiNO3 + ____Ca3(PO4)2a) Determine the balanced equation b) What is the excess reagent for the following reaction given we have 3.4 moles of Ca(NO3)2

answered Apr 4, 2023

1 answer 76.3k views

Use the graph to predict the number of cds the students at your high school bought in 2008

asked Mar 6, 2023

1 answer 41.2k views

Please look at the picture.

answered Feb 3, 2023

1 answer 97.6k views

An incidence that is caused by sleep and also occurs during sleep is known as a __________. A. hypnic B. parasomnia C. sleep disorder D. hypersomnia

answered Jan 23, 2023

2 answers 2.1k views

When Marco swim, the number of calories burned after time x, In minutes, is given by the equation y = 330 + 8.2x how many calories will Marco burn after 30 minutes. 1. 566 2. 246 3. 228 4. 576

answered Dec 25, 2022

1 answer 36.7k views

Im in pain lololololollololololol please help

answered Dec 10, 2022

1 answer 48.1k views

Circle each number below which is greater than its square. (i) 1 (ii) 2/3 (iii) -3 (iv) −1/2 (v) 5/4

answered Oct 28, 2022

2 answers 88.9k views

Which value represents the zero of the linear function y=5x-10? A. -10 B. 10 C. -2 D. 2

answered Oct 26, 2022

2 answers 47.8k views

349÷97 need help plz

answered Sep 6, 2022

2 answers 234k views

If the diameter of a circle is 80m, then what is the radius of the circle

asked Aug 21, 2022

1 answer 129k views

Ella takes hours to complete a painting. Holly takes of the time that Ella takes. How long will Holly take to complete 5 paintings

answered Jul 26, 2022

1 answer 18.1k views

Select all the correct answers. Which THREE of the following are spreadsheets typically used for? budgeting scientific analysis creating presentations number formatting computer programming

asked Jul 4, 2022

2 answers 208k views

What do you call heterotrophs that feed at different trophic levels?

asked Jul 3, 2022

2 answers 95.3k views

1. How far does a 70 kg object move in meters (m) if it accelerates at 13 m/s2 and 50 joules of work is done?

asked Jun 21, 2022

1 answer 178k views

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