Recent activity by Andrew Koper

Recent activity by Andrew Koper

A pack of sugar costs £1.25 for 500g. How much for 1kg?

answered Dec 5, 2023

2 answers 134k views

What is the value os 0.2 plus o.4 write ur answer as a fraction in lowest terms

asked Nov 11, 2023

1 answer 209k views

The sum of three number is 14. The sum of twice the first number, 4 times the second number, and 5 times the third number is 41. The difference between 7 times the first number and the second number is

answered Sep 21, 2023

1 answer 75.1k views

The student's lab manual says to mix some of his Na2CO3 solution with an aqueous solution of copper(II) sulfate (CuSO4) i What evidence of a chemical reaction would he expect to see? Explain your answer.

asked Sep 19, 2023

1 answer 168k views

A scientist is using a telescope and sees a comet that has a tail. What can they surmise about the comet? A. It came from the Oort Cloud. B. It came from the Kuiper Belt. C. It has a retrograde orbit.

answered Sep 9, 2023

2 answers 196k views

Sixty and four-tenths in decimal form

answered Aug 27, 2023

1 answer 36.5k views

A stone is thrown at 45 degree with velocity 10m/sec.calculate the range of projectile

asked Aug 12, 2023

1 answer 160k views

Find sin(x + y)given: sin x = − 2/3 and x is in Quadrant III; and sin y = 1/3 and y is in Quadrant II.

answered Jul 17, 2023

1 answer 226k views

PLEASE PLEASE PLEASE ANSWER !!! What is the equation of the given line? x = 0 y = -2 x = -2 y = -1

asked Mar 6, 2023

1 answer 129k views

What is energy and how is it conserved?

answered Jan 6, 2023

1 answer 145k views

Solve the question in the photo!!!!!!!!!!!!!

asked Dec 10, 2022

2 answers 26.0k views

11A) As electrical energy is converted into heat energy, the total amount of energy in the system pls help me out !

asked Oct 15, 2022

1 answer 4.7k views

do the names we use for historical events influence the way we think about those events? explain your reasoning and give an example from your knowledge of history

answered Oct 10, 2022

1 answer 22.6k views

What will happen when a charged object touches a neutral object?

answered Aug 13, 2022

2 answers 16.0k views

The solution to the system of equations is (0, 4). (PIC 1) TRUE or FALSE The solution to the system graphed below is (1, -2). (PIC 2) TRUE OR FALSE

asked Aug 4, 2022

2 answers 154k views

Tell how many solutions each one has

answered Jul 14, 2022

1 answer 89.3k views

What is this pls help ....

asked Jun 2, 2022

1 answer 119k views

What is the Range of the data set? 85, 90, 100, 90, 25, 90

answered Apr 28, 2022

2 answers 91.4k views

An online retailer allows customers to rate items on a scale from −5 to 5. An item receives the scores −1.75, −1, 4.25, 3.75, 1, −4.75, and 2. Find the mean score. Write your answer as a decimal.

answered Apr 25, 2022

1 answer 132k views

A point mutation that changes a codon specifying an amino acid into a new codon coding another amino acid is called: a. Deletion mutation. b. Missense mutation. c. Nonsense mutation. d. Frameshift mutation.

asked Apr 10, 2022

1 answer 128k views

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