Recent activity by Luis Crespo

Recent activity by Luis Crespo

Imagine that your besbest friend has got a scholarship to study overseas write a letter

asked Dec 11, 2023

1 answer 119k views

Can someone help me please

asked Oct 12, 2023

1 answer 187k views

A cone with a height of 9 cm has a volume of 487 cm. What is the radius of the cone? (The volume of a cone is given by the formulav = tr?h.)2 cm3 cm4 cm6 cm

answered Oct 7, 2023

1 answer 108k views

50 mL graduated cylinder contains 25.0 mL of water. A 142.5040 g piece of osmium is placed in the graduated cylinder and the water level rises to 31.3 mL. What is the density of the piece of osmium?

answered Jul 29, 2023

1 answer 118k views

Hi, can you help me to solve this exercise. Please !!!

answered Jun 16, 2023

1 answer 100k views

PLEASE HELP!!!!! Part 1: Name two elements that have the same properties as magnesium (Mg). (4 points) Part 2: Determine the number of protons, electrons, and neutrons present in an atom of potassium (K).

answered May 11, 2023

1 answer 208k views

Can someone help me with this one please

answered Mar 18, 2023

1 answer 1.1k views

Another memorial day tradition was enacted by congress in 2000. What is it and what time does it occur?.

answered Jan 13, 2023

1 answer 111k views

Why sociology is considered as a youngest social science?

answered Nov 30, 2022

2 answers 141k views

A fish tank can hold at most 315 gallons of water. If a hose is filling the fish tank at a rate of 15 gallons every 10 minutes, how many hours can the hose be left on before the tank overflows?

answered Nov 17, 2022

2 answers 15.2k views

Is the computer a device that calculates and has the independence and initiative for the actions it performs?

answered Nov 12, 2022

1 answer 57.4k views

Describe and evaluate the working memory model of memory (16 marks)

asked Nov 1, 2022

1 answer 180k views

What is 17.445 - 6.76 rounded to the nearest tenth

answered Aug 13, 2022

1 answer 4.9k views

Question 5 of 10 Which element should be included in the introduction paragraph of a historical essay?

asked Jul 17, 2022

1 answer 137k views

What is 48/64 equal to when we simplify as much as we can? 3/4 16 6/8 24/32

answered Jul 2, 2022

1 answer 37.4k views

Suppose on a certain planet that a rare substance known as Raritanium can be found in some of the rocks. A raritanium-detector is used to find rock samples that may contain the valuable mineral, but it

asked Jul 1, 2022

1 answer 119k views

You have 70 inches of yarn you want to make a friendship bracelet but each bracelet takes 2.5

asked Jun 12, 2022

1 answer 93.7k views

Solve y=x-2 and x+y=12 using substitution

answered May 9, 2022

1 answer 232k views

organisms are classified as either prokaryotes or eukaryotes. Which of the following do the cells of all prokaryotes and eukaryotes contain?

asked May 4, 2022

2 answers 169k views

Which of the following US regions was most affected by the migration spawned by the environmental disaster highlighted in the passage? O Virginia's Shenandoah Valley O Louisiana's Mississippi Delta O California's

asked Apr 23, 2022

2 answers 166k views

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