Recent activity by Beatrice Lin

Recent activity by Beatrice Lin

A radioisotope has a half-life of 12 hours. How much of an original 250 nanograms sample will remain after 72 hours? a) 2.6 nanograms b) 3.9 nanograms c) 5.7 nanograms d) 8.2 nanograms

answered Dec 26, 2024

1 answer 218k views

After using an electrode from the high frequency machine it should be..........

answered Oct 3, 2024

1 answer 7.3k views

The sides of a regular hexagon are equal in length. The perimeter of the hexagon is at most 24 inches. Find the possible side lengths of the hexagon. Let the lengths of the sides be x.

asked Sep 13, 2024

1 answer 172k views

the spreadsheet linked above contains various housing and economic data for all states.what is the standard deviation of the average outstanding mortgage amounts for states in the northeast?round to two

asked Aug 24, 2024

1 answer 195k views

teaching kids compassion and kindness improves their academic performance and helps them do better in class. why?

asked Aug 19, 2024

1 answer 185k views

When contacted by Petroleum or dispatch how do you provide tank inventory levels from the Environmental management console (EMC)? 1) Press 'Print', ask if they want volume or ullage-100 2) Press 'Print

asked Mar 7, 2024

1 answer 184k views

Who was the one man the poet talking about this is from when you are old lesson

answered Nov 25, 2023

1 answer 201k views

"the guidelines of the section" this means to graph and then state where the inflection points, critical points, concave up and down points, etc are#36

asked Oct 6, 2023

1 answer 42.4k views

NH3 + H2O → NH4+ + OH- What type of chemical reaction is this?

asked Sep 17, 2023

2 answers 221k views

Write in two sentences "its one oclock" and"its three oclock" .in spanish

asked Aug 18, 2023

2 answers 39.9k views

What is the variable term in 2x+3?

answered Jul 12, 2023

1 answer 36.1k views

Nick's diet consists mainly of fish. Which of the following is the major food nutrient in his diet?

asked Jun 17, 2023

1 answer 179k views

MO and PR are parallel lines.which angles are adjacent angles?

answered Jun 16, 2023

1 answer 121k views

What’s the tone throughout Eleven By Sandra Cisneros A.Elated B. Antagonistic C. Hopeful D. Despondent

answered Mar 2, 2023

2 answers 2.3k views

UDENT EXAM Roy is 30 miles from Dallas, ready to leave for Pecos. Travis is in Pecos, ready to leave for Dallas. To qualify for a trip to Costa Rica, Roy vill meet Travis somewhere along the highway to

asked Feb 7, 2023

1 answer 171k views

An increase in price leads to A) no change in quantity supplied B) a decrease in supply C) a change in quantity supplied, but we cannot tell if it would be positive or negative D) an increase in quantity

asked Jan 4, 2023

1 answer 80.0k views

Find the value of x in each case

asked Oct 23, 2022

1 answer 26.4k views

Find the volume of the prism. 15 mm B = 43 mm

answered Oct 18, 2022

2 answers 128k views

Change 47/53 to a percentage

answered Oct 10, 2022

1 answer 182k views

Match each step with its correct definition. 1.____Test the hypothesis 2.____Analyze the results 3.____Scientific Method 4.____Ask a question 5.____Draw Conclusions 6.____Form a hypothesis A. steps scientists

answered Sep 27, 2022

1 answer 126k views

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