Recent activity by Helder Robalo

Recent activity by Helder Robalo

If the concentration of mercury in the water of a polluted lake is 0.200 μg (micrograms) per liter of water, what is the total mass of mercury in the lake, in kilograms, if the lake has a surface area

answered Dec 15, 2023

1 answer 184k views

How to do this? 50/2 = 25/1 ?

answered Dec 4, 2023

1 answer 200k views

6 apples to 2 mangoes

answered Nov 27, 2023

2 answers 201k views

Why was the catholic church a center of authority?.

asked Sep 11, 2023

1 answer 137k views

Sunny is a volunteer at the animal shelter. The animal shelter has only dogs and cats. 3 10 of the animals are dogs. There are 8 fewer dogs than cats. How many animals are there in the animal shelter?

asked Sep 1, 2023

1 answer 49.9k views

Find the vertex of function given below y=x^2-x+1

asked Aug 1, 2023

1 answer 224k views

Equal DC voltage sources connected in parallel: Select one: O OO a. must connect two equal loads. O b. cancel each other out. c. can supply twice the current. Od. produce twice the voltage.

answered Jul 9, 2023

1 answer 87.2k views

Given the function g(x) = |x - 4|, find the value of g(1).

answered Feb 11, 2023

1 answer 99.6k views

Can anyone solve this?

asked Jan 28, 2023

1 answer 74.3k views

CARDINALS POINTS wher is the cardinal point

answered Dec 30, 2022

2 answers 186k views

Find the area of the circle whose diameter is 68 cm

answered Dec 11, 2022

1 answer 17.5k views

3 3/5 x (-8 1/3) = A. -30 B. 4 3/5 C. 8 4/5 D. -24

asked Oct 27, 2022

1 answer 210k views

In humans, normal color perception (N) dominates the expression of color blindness (n), and both of these genes are carried on the X chromosome (XN or Xn). A woman with normal color vision has a color-blind

asked Oct 14, 2022

1 answer 201k views

Gloria wants to test if the amount of air pressure in a soccer ball affects how far the ball will roll. She purchases five soccer balls that are all the same size and a ball pump with a pressure gauge

answered Sep 12, 2022

1 answer 149k views

Some people have one sickle cell gene and one normal gene. They have few defective cells and no symptoms because the sickle cell gene is recessive. How does the human system of reproduction result in people

answered Sep 12, 2022

1 answer 168k views

Lourdes bought. DVD for 19.99 And a book for 14.95 . She has 10.56 left over . How much money did she have to start with

asked Sep 7, 2022

1 answer 67.8k views

true or false: In 1861, the Confederate Congress moved the capital of the Confederacy to Charleston, South Carolina

answered Aug 31, 2022

1 answer 4.3k views

Which of the following regarding blood vessels is not true? Group of answer choices arteries have valves to jprevent backflow Arteries have thick, elastic walls to accommodate the high pressure of blood

answered Jul 19, 2022

1 answer 125k views

Please help me with this question!! what are 3 things that are the same from both performances and what are 3 things that are different from alexander hamilton?

asked Jun 9, 2022

1 answer 225k views

The total length of a road trip was 15.6 hours. If highway signs are posted every 0.06 hours, including one at the end of the road trip, how many highway signs will there be on the road trip?

asked Apr 27, 2022

1 answer 34.5k views

Search QAmmunity.org