Mathematics, 13.09.2021 19:00 alyssavwil7499

A certain substance has a half-life of 4 minutes. A fresh sample of the substance weighing 90 mg was obtained. After how many minutes will there be 23 mg of the substance remaining?

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:30

Write the rational number in lowest terms 99/-15

Answers: 2

Answer

Mathematics, 21.06.2019 19:40

Which system of linear inequalities is represented by the graph?

Answers: 1

Answer

Mathematics, 21.06.2019 22:10

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Answers: 3

Answer

Mathematics, 21.06.2019 23:30

How do you write 600 as a product of its prime factors (index! )

Answers: 1

Answer

You know the right answer?

A certain substance has a half-life of 4 minutes. A fresh sample of the substance weighing 90 mg was...

Questions

Biology, 01.10.2021 05:00

Which two parts of the cell are unique to plant cells?...

Social Studies, 01.10.2021 05:00

I need a paragraph on this, please help. Explain how the Mayflower Compact is an example of Self-Government. Explain the reasons they made the...

Chemistry, 01.10.2021 05:00

Who is helping Animal Extinction...

English, 01.10.2021 05:00

How does the speaker's personification of learning in lines 14-16 contribute to the poem?A. It shows that love is closely linked with knowledge. B. It...

Mathematics, 01.10.2021 05:00

PLEASE HELP ME Find the difference. 60* 50' 40'' 30* 40' 50'' -...

Mathematics, 01.10.2021 05:00

A delivery job is advertised at a yearly salary of 16,800 if there are 245 working days a year and seven hours in a working day what is the hourly rat...

Mathematics, 01.10.2021 05:00

Multiply each expression. 1) 6(h - 4) 4) (4 - y)(-9) 2) (p + 3)5 5) 2(7n - 11) 3) -3(z + 8) 6) -10(-a + 5)...

Mathematics, 01.10.2021 05:00

CORRESPONDING ANGLES If m<2 = (2x + 4) and m<6 = (5x- 2) Find X

Mathematics, 01.10.2021 05:00

If you place a 28-foot ladder against the top of a 22-foot building, how many feet will the bottom of the ladder be from the bottom of the building?...

Chemistry, 01.10.2021 05:00

Which is not a product from mg ribbon combustion in air?...

Mathematics, 01.10.2021 05:00

Order the inequalities based on how many numbers from the list below are solutions of the inequalities. Place the inequality with the most solutions b...

Biology, 01.10.2021 05:00

The flattened sacks of membrane typical of the golgi apparatus are especially abundant in...

Chemistry, 01.10.2021 05:00

Shortly after Ms. Berndt's cat, Revere, was born, Ms. Berndt realized Revere wasn't eating enough. She went to the pet store and bought many different...

Mathematics, 01.10.2021 05:00

Whats the midpoint……… ...

English, 01.10.2021 05:00

PLEASE HELP! WILL MARK BRAINLIEST!!!Why does the Coale keep referring to Wilburn Waters' "Indian nature" in The life and adventures of Wilburn Waters:...

Geography, 01.10.2021 05:00

Which type of volcano is made from alternating layers of pyroclastic debris and effusive lava flows?...

Physics, 01.10.2021 05:00

5. A 15 kg bowling ball would require what force to accelerate it down an alley way at a rate of 5 m/s??...

History, 01.10.2021 05:00

HELP A SISTA OUT! Hitler achieved power in Germany by only one means only : the use of terror do you agree? could the answer be in a essay for...

Mathematics, 01.10.2021 05:00

Tarush is a landscape architect. For his first public project the last great as small scale drawing of a garden to be placed in the corner of a city p...

English, 01.10.2021 05:00

What is photo synthesis? imm need friend anyone like to be my friend !...

More questions: Mathematics Another questions