Questions by Alex Nikolsky

Questions by Alex Nikolsky

Uranium-238 decays through alpha decay with a half-life of 4.46×10⁹ years. How long would it take for 7/8 of a sample of uranium-238 to decay?

asked Dec 9, 2024

1 answer

0 votes

85.6k views

What is the second step of T cell activation? 1) chemotaxis 2) antigen binding 3) anergy 4) co-stimulation

asked Aug 5, 2024

1 answer

1 vote

119k views

Which of the fovlowing signs is a probable sign of pregnancy? -Fetal movements palpated by an examiner -fatigue -nausea and vomitting -braxton hicks contraction

asked Jul 28, 2024

1 answer

1 vote

73.2k views

Which braid involves extending long braids wrapped around the head and pinned in place? A) Dutch braid B) Waterfall braid C) Halo braid D) Box braid

asked May 7, 2024

1 answer

1 vote

107k views

Lmn is transformed by using a combination of 3 different transformations. Which combination transformations would result in a triangle that is congruent to Lmn? a. Translation, reflection, and rotation

asked Jan 18, 2024

1 answer

3 votes

15.2k views

Name a postulate or theorem that can be used to prove that the two triangles are similar. Then, write a similarity statement.

asked Jul 19, 2023

1 answer

5 votes

62.1k views

IMAGE ATTACHED,please help me with this one please.

asked Feb 12, 2023

1 answer

0 votes

3.8k views

Solve for x-5/3n = -3

asked Feb 2, 2023

1 answer

5 votes

155k views

HELP PLEASE I WANNA SLEEP BUT MY MOM WON"T LET ME SLEEP UNTIL I FINISH THIS

asked Oct 13, 2022

2 answers

3 votes

53.5k views

Lisa is cooking muffins. The recipe calls for 7 cups of sugar. She has already put in 2 cups. How many more cups does she need to put in? 2 + c = 7 c = 7 c = 9 c - 2 = 7

asked Oct 8, 2022

1 answer

4 votes

98.1k views

How is Thomas Jefferson related (similar) to Alexander Hamilton? Please help me this is urgent

asked Aug 10, 2022

2 answers

1 vote

195k views

What is the simple present of ( i will meet him later)

asked Jun 12, 2022

2 answers

4 votes

7.1k views

Which imaging technologies do not use radiation?

asked May 25, 2022

1 answer

2 votes

141k views

PLLSSS HELP ME!! Which of the following functions accurately represents f??

asked Apr 24, 2022

1 answer

0 votes

200k views

You are closing the accounts you used to bill the project costs, but you still have some lingering expenses. Which best practice should you follow?

asked Apr 15, 2022

2 answers

3 votes

76.3k views

A child has a toy balloon with a volume of 1.75 liters. The temperature of the balloon when it was filled was 21° C and the pressure was 1.00 atm. If the child were to let go of the balloon and it rose

asked Jan 11, 2022

1 answer

1 vote

174k views

The legal system in the United States is based on _____. A. constitutional law B. common law C. small law D. statutory law

asked Dec 27, 2021

1 answer

1 vote

25.1k views

Find the volume of this triangular prism.

asked Oct 16, 2021

1 answer

1 vote

219k views

The solution of the equation 2^x-7=9 is x the answer is 5 .

asked Sep 24, 2021

2 answers

0 votes

183k views

True or False: The difference between 2 numbers is always positive.

asked Sep 14, 2021

2 answers

2 votes

115k views

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