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Natural potassium contains 40K , which has a half-life of 1.277×10⁹ years. What mass of 40K in a person would have a decay rate of 4140 Bq? (b) What is the fraction of 40K in natural potassium, given that

answered Dec 16, 2024

1 answer 197k views

The specific heat of gold is 0.129 J/g C. A king gets sold a gold crown but he's unsure if it's pure gold. He takes the crown which weighs 1,130 grams, heats it to 98.8 C, and then places it in 1.34 L

answered Dec 4, 2024

1 answer 201k views

If Brent uses his credit card to purchase a new television, then the money to pay the retailer is taken from: A. his M1 funds. B. his M2 funds. C. the credit card company's M1 funds. D. the credit card

asked Nov 13, 2024

1 answer 165k views

Individuals with anemia exhibit ___________ affinity for O2 with the same _____________

answered Oct 8, 2024

1 answer 86.0k views

Calculate the frequency of a wave with a speed of 30cm/sec and a wavelength of 10cm.

answered Sep 26, 2024

1 answer 1.5k views

A Hall probe gives a reading of 1.72 μ V for a current of 2.41 A when it is placed in a magnetic field of 1.31 T. What is the magnetic field in a region (in unit of T) where the reading is 2.68 μ V for

answered Aug 22, 2024

1 answer 176k views

A force of 40 N accelerates a 5 kg block. What is the acceleration of the block? A. 4 m/s² B. 8 m/s² C. 10 m/s² D. 12 m/s²

answered Aug 14, 2024

1 answer 199k views

11. Martin's suitcase has a volume of 1,080 cubic inches. Lily's suitcase measures 9 inches wide, 13 inches long, and 21 inches high. What is the combined volume of the two suitcases?

answered Aug 11, 2024

1 answer 81.1k views

While the nurse and client are in a therapy session, the nurse says to the client, "You become very anxious when we start talking about your drinking." Which of the following techniques is the nurse using?

asked Aug 5, 2024

1 answer 228k views

a metal storage drum in the shape of a cylinder has a radius of 11.5 inches and a height of 23 inches. if a local business pays $0.03 per 25 square inches of metal to recycle the storage drum, how much

asked Jul 19, 2024

2 answers 8.6k views

Teaching someone else how to solve a problem will not help you remember how to do it for yourself. please select the best answer from the choices provided t f (a) A only (b) B only (c) Both A and B (d)

asked May 11, 2024

1 answer 158k views

Find parametric equations for a line that is tangent to the curve at the point. Parametrize the line so that it passes through the given point at t=0. All three answers are required for credit.

answered Mar 23, 2024

1 answer 3.3k views

Sociology- help! Explain the Thomas Theorem. What does the Thomas Theorem suggest about reality? What would the Thomas Theorem suggest about the legitimacy of Santa Claus? How would the Thomas Theorem

answered Mar 21, 2024

1 answer 49.4k views

Which information obtained by the nurse about a patient who has been diagnosed with both human immunodeficiency virus (HIV) and active tuberculosis (TB) disease is most important to communicate to the

asked Mar 10, 2024

1 answer 17.2k views

Question 13 Find and write down the value of the expressions: (13/5) *6. Use the editor to format your answer

asked Feb 17, 2024

1 answer 165k views

In a sequence if Tn = 5n² - 4 What is the sum of the 5th and 7th terms? a)121 b)244 c)365 d)367

asked Jan 12, 2024

1 answer 131k views

in 2009, expenses at a four-year public College average 14600 and we're increasing at a rate of 760 per year. model this information with a linear equation and use the model to predict the average cost

asked Dec 6, 2023

1 answer 203k views

How many one-ninths are there in 2/5

asked Nov 27, 2023

2 answers 10.0k views

select all equations that have graphs with the same y-intercepty=3x-8y=3x-9y=3x+8y=5x-8y=2x-8y=(1/3)x-8

answered Nov 10, 2023

1 answer 83.0k views

How did geography affect Greek and Persian civilizations differently during the classical era?

answered Sep 16, 2023

1 answer 82.4k views

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