Recent activity by Piotr Chojnacki

Question

In a row of boys, If A who is 10th from the left and B who is 9th from the right interchange their positions, A becomes 15th from the left. How many boys are there in the row? A) 23 B) 31 C) 27 D) 28

answered Jan 4

1 answer 5.9k views

If 3/s=7 and 4/t=12,then what is the value of s-t?

answered Dec 17, 2024

1 answer 88.5k views

Noah’s lemonade recipe uses 3 cups of water and 1 cup of lemon concentrate.Enter the percentage of the lemonade recipe that is lemon concentrate.

answered Sep 27, 2024

1 answer 199k views

In the 1780s and 1790s, Thomas Jefferson and Alexander Hamilton expressed different visions for the economic future of the United States. Evaluate the extent to which each of their visions was reflected

answered Sep 13, 2024

1 answer 60.2k views

Combine like terms in the following expression: 4xy - x²y - tx + 6x.

answered Jul 26, 2024

1 answer 108k views

1. Solve this system by substitution. (y = 3x + 27 y = 4x + 18 2. Solve this system by elimination (-2x - 4y = -4 2x - 5y = 40 4. Solve this system by substitution -6x + y = 18 -3x+6y= -24 5. Solve this

asked Jul 26, 2024

1 answer 79.8k views

A pattern of repetitive, uncontrollable thoughts is called a(n) ______. a) Obsession b) Phobia c) Compulsion d) Hallucination

answered Jun 25, 2024

1 answer 101k views

Suppose you invest $150 a month for 4 years into an account earning 6% compounded monthly. After 4 years, you leave the money, without making additional deposits, in the account for another 24 years. How

answered May 29, 2024

1 answer 177k views

Which is a reasonable estimate for the difference 5 1/2- 3 5/9? Circle the letter of the correct answer A between 1/2 and 1 B between 1 and 1 1/2 C between 1 1/2 and 2 D between 2 and 2 1/2 Elise chose

answered May 28, 2024

1 answer 181k views

What is the name of the yearlong, team-based program to learn the principles of entrepreneurship and innovation in the Eller College of Management that allows students to build a new venture from the ground

answered Apr 21, 2024

1 answer 152k views

Which of the following is NOT an operating expense? 1) Rent 2) Cost of goods sold 3) Depreciation 4) Utilities 5) Wages

asked Apr 4, 2024

1 answer 86.9k views

Factor the following polynomial completely: 5^24 + 20^3 / 10^522 A. 529 - 3)( + 7). B. 522( - 3) ( +7). C.523( + 3)(-7). D,5r2(r 3).

answered Mar 19, 2024

1 answer 125k views

Identify and explain two environmental problems that have emerged as a result of human activity, and explain how each has led to social and/or political instability.

asked Mar 9, 2024

1 answer 102k views

A rubber or plastic tube used to drain or inject fluid through a body opening is called... a) Stethoscope b) Catheter c) Speculum d) Cannula

answered Jan 11, 2024

1 answer 141k views

If String str = "United States";, then what is the value of str.substring(2, 4);? (2 points) ni nit it ite nite

asked Dec 8, 2023

1 answer 132k views

Find the Values of each of the angles marked z and y.Angles given are 70,50 and 28

answered Oct 10, 2023

1 answer 146k views

Is 54 x (100 - 5) equal to 54 x 100 – 54 x 5?

asked Sep 1, 2023

1 answer 62.3k views

PLEASE HELP ASAP I NEED IT IN AT LEAST 5 MIN HELP

answered Jul 19, 2023

1 answer 159k views

Sarah is a 24-year-old elementary school teacher who is 14 weeks pregnant. This is her first pregnancy. She was noted to be rubella seronegative on routine prenatal screening laboratory panel. She was

asked Jul 18, 2023

1 answer 37.1k views

When a guitar string is plucked, sound waves, which are mechanical waves, transmit sound to your ears. What is the primary medium through which the sound waves travel?

asked May 4, 2023

2 answers 56.6k views

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