Recent activity by Marcelo Lacerda

Recent activity by Marcelo Lacerda

Which of the following is an internal alkyne? a. 1-hexyne b. 3,3-dimethyl-1-hexyne c. acetylene d. 4,5-dimethyl-2-hexyne

answered Nov 15, 2024

1 answer 57.4k views

Rank these objects on the basis of their wavelength.

answered Nov 14, 2024

1 answer 80.2k views

The questions about the following polynomial. -2-(x)/(3) expression represents a polynomial wi

asked Oct 23, 2024

1 answer 193k views

Find the price (in dollars per unit) that will maximize profit for the demand and cost functions, where P is the price, X is the number of units, and C is the cost. a) P = X + C b) P = C - X c) P = X *

asked Sep 7, 2024

1 answer 172k views

Consider a 2850 lb automobile clocked by law enforcement. a. What is the speed of the automobile? b. Is it a bicycle? c. Irrelevant information d. Provide more details

asked Aug 20, 2024

1 answer 27.8k views

A 27-meter rope is cut into two pieces so that one piece is 2 meters longer than 4 times the shorter piece. Find the lengths of both pieces.

answered Aug 10, 2024

1 answer 97.0k views

112 divided by y =18

asked Jun 23, 2024

1 answer 32.0k views

64x {}^(3) + y {}^(3) factorise fully

answered Jun 21, 2024

1 answer 99.1k views

Find the indicated probability using the standard normal distribution. P(-0.39

asked Mar 7, 2024

1 answer 99.0k views

A sign at the aquarium says an exhibit contains 3,107 gallons of water. How many gallons of water are in an exhibit with 1 of that amount? 10

asked Feb 19, 2024

1 answer 135k views

Ou move a compass in a circular plane around a planar magnet. The compass makes four complete revolutions. How many poles does the magnet have? a) 1 b) 2 c) 4 d) 8

asked Feb 16, 2024

1 answer 135k views

How are earthquakes caused? Select all that apply. Earthquakes are caused when two plates slide past each other instead of colliding. Earthquakes are caused by two plates crashing into each other. The

asked Dec 11, 2023

2 answers 149k views

Jalen is painting her great room including the ceiling but not the floor. The room measures 20 ft long, 30 wide and 9 ft tall. If each paint container covers 400 sq ft, how many cans should she buy?

answered Nov 9, 2023

2 answers 64.3k views

During the summer months, Kaleb consumes large quantities of sports drinks. In terms of cost per ounce,which of the following is the best way for him to purchase his drinks?8 oz. bottles for $0.4912 oz.

answered Sep 29, 2023

1 answer 17.8k views

Why were American politicians of the 1790s concerned that the United States shared its southern and western borders with New Spain? a. Native Americans preferred to trade with Spain rather than the United

answered Jun 29, 2023

1 answer 138k views

What is the value of 3 {x}^(4)when x = 2?

answered May 11, 2023

1 answer 67.1k views

Where did the Democratic-Republicans have a strong political base?

answered May 7, 2023

2 answers 41.1k views

13. Three friends each have some ribbon. Carol has 42 inches of ribbon, Tino has 2.5 feet of ribbon, and Baxter has 1.5 yards of ribbon. Express the total length of ribbon the three friends have in inches,

asked May 1, 2023

1 answer 117k views

Which of the following is the best example of a sanction?

asked Mar 4, 2023

1 answer 30.4k views

Another object has a density of 18 kg/m3 and a mass of 360kg what is the volume of the object

asked Jan 24, 2023

1 answer 116k views

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