Recent activity by Cristian Rennella

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Solve x²−8x−24=0 by completing the square. If there are multiple solutions, simplify the solution and enter them from least to greatest, separated by a comma.

asked Dec 23, 2024

1 answer 210k views

In explaining that Earth's continents were in motion, not fixed in place, Wegener pointed to certain__________ of plants and animals.

asked Dec 9, 2024

1 answer 201k views

The most frequently methylated base in vertebrates is what?

answered Nov 24, 2024

1 answer 106k views

The following table shows the forces acting on an object moving to the right on a friction surface: FIRST PHOTO. Based on the above information, the schematic that best represents the forces on the object

answered Oct 28, 2024

1 answer 94.9k views

All of the following will lower the premium of long-term care insurance except A) having a longer waiting period before the policy goes into effect. B) having a higher stop-loss provision. C) waiting until

asked Oct 26, 2024

1 answer 9.3k views

Which of the following regions would be best for a lumber industry? A) Great Plains B) Mountains and Basins C) Coastal Plains D) North Central Plains

answered Oct 22, 2024

1 answer 20.9k views

State the law of conservation of momentum?

asked Oct 9, 2024

1 answer 4.8k views

Use Newton's method to approximate a root of the equation cos(x² + 2) = x³ as follows. Let x₁ = 1 be the initial approximation. The second approximation x₂ is_____

answered Sep 26, 2024

1 answer 234k views

Using PAPI,What lights mean you're on the glide path? A) All White B) All Red C) Alternating Red and White D) Alternating Green and White

answered Sep 12, 2024

1 answer 196k views

Calculate the energy required to raise the temperature of 45 g of copper from 54.8 oC to 89.7 oC,.

asked May 12, 2024

1 answer 166k views

What are the challenges facing the african peer review mechanism

answered Apr 21, 2024

1 answer 134k views

How far from the nearest rail should you stop at a highway-rail crossing?

answered Apr 10, 2024

1 answer 48.7k views

A driver may be TEMPORARILY blind at night from

asked Mar 14, 2024

1 answer 42.7k views

When a small amount of 12 M HNO3(aq) is added to a buffer solution made by mixing CH3NH2(aq) and CH3NH3Cl(aq) , the pH of the buffer solution changes from 10.64 to 10.62. Which of the following equations

asked Mar 8, 2024

1 answer 225k views

The joyful graduate [to feel] proud of himself. He [to see] all of his hard work pay off in one afternoon. His family and friends [to cheer], the cameras [to flash], and the diploma [to claim]. >>Rewrite

answered Feb 12, 2024

1 answer 229k views

Emission and ejaculation: A) occurs under sympathetic stimulation. B) is responsible for propelling semen into the female reproductive tract. C) begins with peristaltic contractions of the ampulla. D)

answered Jan 10, 2024

1 answer 136k views

What is the slope of the line through (5,4),(-2,-8) Please do it step by step and asap

asked Nov 21, 2023

2 answers 82.2k views

What can you add to play-doh to make it strech

answered Nov 10, 2023

2 answers 78.4k views

A survey asked people how many text messages they send in one hour, and the results were recorded in this line plot. How many more people surveyed sent 10 messages than 8 messages? Enter your answer in

answered Nov 6, 2023

1 answer 32.6k views

Maria has 32 postcards. Henry has h postcards. Maria has 4 times as many postcards as Henry. Choose Yes or No to indicate whether each statement is true. a. The number of postcards Henry has can be represented

answered Aug 25, 2023

1 answer 109k views

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