Questions by Seli

Questions by Seli

A patient is injected with a radioactive tracer isotope with a half-life of 2.5hr. If the initial activity is 7.3kBq, what is the activity 3.5hr later?

asked Dec 6, 2024

1 answer

2 votes

125k views

What are the three parts of this monomer (nucleic acids)

asked Aug 25, 2024

1 answer

1 vote

200k views

If x = -7, which number line shows the value of |x|? A. Number line with |x| = 7 B. Number line with |x| = -7 C. Number line with |x| = 0 D. Number line with |x| = 14

asked Jul 23, 2024

1 answer

1 vote

215k views

How much work is done against the gravitational force on a 5.0-kg briefcase when it is carried from the ground floor to the roof of the Empire State Building, a vertical climb of 380 m? a) 19,600 J b)

asked Jul 1, 2024

1 answer

1 vote

186k views

• How does a lack of competition affect the prices that the train company charges for fares? ● Why do you think the government regulates the prices of train fares?

asked Feb 4, 2024

1 answer

0 votes

86.2k views

A _____________ forms as a result of lava that has cooled at the top of a volcano. a. vent b. caldera c. pipe d. chamber Please select the best answer from the choices provided A B C D

asked Jan 19, 2024

1 answer

5 votes

62.1k views

Which of these is most likely to lead someone to increase his or her level of physical activity? OA. Television ads that create interest for new shows B. Advertisements for social events that feature a

asked Sep 12, 2023

1 answer

6 votes

133k views

Answer these question

asked Mar 14, 2023

1 answer

16 votes

168k views

True or False: Inertia is an object's resistance to change *

asked Sep 28, 2022

2 answers

3 votes

83.1k views

During the process of photosynthesis, plants use energy from the Sun to transform carbon dioxide from the air into OA. soil and molecules of sugar. OB. protein and minerals, OC. oxygen gas and molecules

asked Sep 10, 2022

1 answer

0 votes

6.5k views

list three factors the purchasing department should take into consideration when fulfilling their role to maximize profits

asked Aug 20, 2022

1 answer

4 votes

83.1k views

Condensed milk cultural

asked Aug 9, 2022

2 answers

3 votes

211k views

Please help with this.

asked May 14, 2022

2 answers

3 votes

46.1k views

Why was the Reapportionment Act of 1929 passed?

asked Sep 14, 2021

1 answer

2 votes

217k views

Sam’s parents agreed to pay 25 percent of the cost of a new bike if Sam paid the rest. Percents Total 25% 25% 25% 25% 100% $65 $65 $65 $65 If Sam’s parents paid $65, what was the price of Sam’s new bike?

asked Jul 1, 2021

2 answers

5 votes

182k views

Please help me, I’ve been struggling with this question for two hours now.

asked Jun 14, 2021

1 answer

5 votes

211k views

Please Help !! I don’t know what to do :(

asked May 16, 2021

2 answers

0 votes

15.4k views

Write the slope-intercept form of the equation of the line described: Perpendicular to y=x+4 and passes through the point (2,2)

asked May 11, 2021

1 answer

2 votes

139k views

Help asap really important

asked May 5, 2021

1 answer

2 votes

106k views

A chemical plant has an emergency alarm system. When an emergency situation exists, the alarm sounds with probability 0.95. When an emergency situation does not exist, the alarm sounds with probability

asked Apr 19, 2021

1 answer

0 votes

63.5k views

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