Recent activity by Erik Cupal

Question

When the iron nuclei in the core of an evolved high-mass star start to come apart, what happens? 1) They form a black hole 2) They explode in a supernova 3) They turn into helium nuclei 4) They collapse

asked Dec 13, 2024

1 answer 24.2k views

Which of the following bonds' strength ranks in the correct order? a) H-H < Ca-H < Ca-Ca b) Na-Na c) S-S d) Mg-Mg < O-O < Mg-O

answered Nov 21, 2024

1 answer 20.8k views

What are the natural changes in ocean and wind currents in the Pacific Ocean between Indonesia and South America referred to as? A. El Niño B. La Niña C. Monsoon D. Trade winds

answered Oct 8, 2024

1 answer 137k views

Find the interest rate if $400.00 increased to $1,024.00 in 2 years compounded annually. Write your answer as a percent.

asked Sep 15, 2024

1 answer 207k views

What American church war ship was attacked in 1807 by the British?

asked Sep 2, 2024

1 answer 67.3k views

Which of the following is not a component of habit reversal? Select all that apply: a) Practice an incompatible behavior b) Receives punishment when they don't succeed c) Graphs the behavior and receives

asked Aug 26, 2024

1 answer 147k views

the average rate of disintegrations from a certain radioactive sample is known to be roughly 20 per minute. if you wanted to measure this rate within 4%, for approximately how long would you plan to count?

asked Jun 11, 2024

1 answer 95.1k views

Recall that Pn is the vector space of polynomials with degree at most n. The elements in Pn are: p(t)=a0+a1t+⋯+antⁿ, where a0,a1,…,an are real numbers. Here are four maps (1) T1:Pn→Pn,p(t)→p(t+1) (2) T2:P2→P3,

asked Apr 25, 2024

1 answer 125k views

Other things being equal, a __________ supply of workers tends to __________ real wages. a.smaller; not change b.larger; increase c.smaller; decrease d.larger; decrease

asked Apr 9, 2024

1 answer 11.3k views

5a - 2a + 3 what is the answer

answered Apr 9, 2024

1 answer 153k views

What role did Eli Katcher assume upon employment?

answered Mar 21, 2024

1 answer 92.9k views

I Fill in the Blanks :- 1) 39Km = ______m

answered Mar 14, 2024

2 answers 168k views

In gym class students were asked to form nine equal groups. If there were 16 students in each group, then how many total students were there?

answered Dec 17, 2023

2 answers 46.5k views

How Will You Attain Your Career Goal? Attaining your career objective is a series of steps that put you in the position where you are seen as the top candidate. Describe what steps you can take over the

asked Dec 16, 2023

1 answer 36.3k views

There are 35 students in a class. Fifteen of them are men and 20 of them are women. The mean height of the men is 69.65 inches, and the mean height of all 35 students is 66.85 inches. What is the mean

asked Nov 2, 2023

1 answer 116k views

What is the total area of the figure shown below? 57 square feet 69 square feet 180 square feet 17.5 square feet

asked Aug 24, 2023

1 answer 195k views

Cylinder A has a radius of 10 inches and a height of 5 inches. Cylinder B has a volume of 750n. What is the percentage change in volume between cylinders A and B? Cylinder B is 50% smaller than cylinder

answered Jul 30, 2023

2 answers 134k views

(a) Find the slope of the line through (-9, -7) and (-19. -47).

asked Jul 17, 2023

2 answers 134k views

3. Explain the relationship between area and square units

answered Jul 15, 2023

1 answer 19.6k views

given the following expressions1. -5/8+3/52. 1/2+ √23. (√5)×(√5)4. 3×(√49)which expression(s) will result in an irrational number.(1) only 2(2) only 3(3) 1,3,4(4) 2,3,4

answered Jul 6, 2023

1 answer 141k views

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