Recent activity by Carl Sagan

Recent activity by Carl Sagan

at school has 320 girls and 250 boys. the probability that a girl is left-handed is 0.2 the probability that a boy is left-handed is 0.1 estimate the number of left-handed students in the school.

answered Dec 10, 2024

1 answer 72.3k views

If an intangible asset is being self-constructed or internally developed its costs are generally debited to ______ and ____ expense.

answered Sep 10, 2024

1 answer 133k views

Sympathetic stimulation of the heart results in a. An increase in the activity of the SR calcium pump b. An increase in the duration of systole c. An increase in the duration of diastole d. A decrease

answered Sep 3, 2024

1 answer 47.8k views

Complete the sentence. world war i was also called because of the millions of casualties and the sheer brutal violence.

answered May 29, 2024

1 answer 70.3k views

members of the board of directors are involved in all of the following but group of answer choices hiring and firing all c-level executives. setting ceo compensation. assisting in setting the strategic

asked May 11, 2024

1 answer 155k views

When isobutylene [CH2C(CH3)2] is treated with BF3, polyisobutylene is formed. Provide a step-by-step mechanism for this polymerization reaction.

asked May 8, 2024

1 answer 25.5k views

Please someone help me it's due tomorrow.

answered Mar 19, 2024

2 answers 226k views

Under the influence of a force, an object of mass 4 kg accelerates from 3 m/s to 6 m/s in 8 s. How much work was done on the object during this time? a) 72 J b) 36 J c) 108 J d) 18 J

asked Mar 5, 2024

1 answer 221k views

Find the value of x.

asked Feb 27, 2024

1 answer 60.1k views

Write a program that prompts the user to provide a single character from the αbet. Print "vowel" or "consonant" depending on the user input. If the user input is not a letter (between 'a' and 'z' or 'A'

answered Jan 28, 2024

1 answer 167k views

Place the following gases in order of decreasing average molecular speed at 300K: He, SF6, SO2, Ar

answered Dec 21, 2023

1 answer 12.6k views

Heyyy Guyssss !! What are the advantages of industry ?

answered Dec 11, 2023

2 answers 42.6k views

Which of the following is true?5/6 > 11/123/4 < 2/39/15 < 4/518/27 = 1/3

answered Nov 10, 2023

1 answer 6.1k views

Explain why we are unable to simplify √-49

answered Oct 24, 2023

1 answer 36.6k views

Find the least numbers which must be subtracted from the following number to make them perfect square 42029

answered Sep 30, 2023

1 answer 226k views

What are the two square roots of 1/121

answered Aug 28, 2023

1 answer 39.7k views

How do microorganisms affect the environment?

asked Jun 19, 2023

1 answer 170k views

When writing a chemical equation, what does the symbol (s) after a chemical formula indicate? The reaction is slow. It is a synthesis reaction. The substance is a solution. The substance is solid.

asked Mar 2, 2023

1 answer 11.5k views

Solve for x in triangle

answered Dec 22, 2022

1 answer 28.9k views

(7x^2- 3y)^2 simplify

asked Dec 10, 2022

2 answers 139k views

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