Recent activity by Petr Krampl

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The serum cholesterol levels for men in one age group are normally distributed with a mean of 178.1 and a standard deviation of 40.7. (All units are in mg/100mL). Find the two levels that separate the

asked Dec 4, 2023

2 answers 132k views

3^-4 as a fraction, i need the exact value of this number as a fraction please and thank you :)

answered Sep 25, 2023

1 answer 187k views

NO LINKS!! Please help with this problem

asked Aug 26, 2023

2 answers 6.0k views

A photographer needs a frame for a 16 x 20 inch picture, such that the total area is 340 in2. Calculate the width of the frame. Which of the following quadratic equations would be used when solving this?

answered May 10, 2023

2 answers 152k views

Identify a pattern in each list of numbers. Then use this pattern to find the next number. 5, 12, 33, 96, 285, ___

asked Apr 17, 2023

1 answer 130k views

find the surface area of a rectangular prism with lengths of 4.7 inches, width of 6.4 inches, and height of 8.2 inches. round to the nearest tenth.

asked Apr 11, 2023

1 answer 187k views

If a varies directly as the square of b, and a = 4 when b = 3, find a when b = 2

answered Feb 21, 2023

1 answer 49.6k views

Consider triangle A B C, where angle C is the right angle. Explain why tan A=cot B in any such triangle.

asked Feb 14, 2023

1 answer 157k views

A flashlight contains two batteries connected in series with a small bulb. When the switch is closed, the current in the circuit is I. If the circuit is changed so that two identical bulbs are connected

asked Jan 11, 2023

1 answer 229k views

What is one way we can use agriscience to affect photosynthesis and increase plant growth? Removing excess nitrogen from the air Adding oxygen to the soil Adding carbon dioxide to the air in greenhouses

answered Nov 29, 2022

2 answers 137k views

5. A closed gas system initially has pressure and volume of 0.905atm and 8090mL with the temperature unknown. If the same closed system has values of 1.30atm, 2150mL and 83.00C, what was the initial temperature?

asked Nov 6, 2022

1 answer 73.9k views

Hunter took out a $3,500 loan with interest to pay for some business supplies. He will repay the loan in 3 years with monthly payments of $109.68. Find the total amount of Hunter’s repayment. A. $329.04

answered Oct 27, 2022

2 answers 182k views

What are states’ rights? The powers that the Constitution gives to the federal government The powers that are not specifically assigned to the federal government The powers that apply only within the states

answered Oct 25, 2022

2 answers 63.6k views

3y = x -4 5x - 6y = 8 How many solutions does the system have? O One solution O No solution 0 Infinitely many solutions

asked Jul 24, 2022

2 answers 40.1k views

Collect data by conducting a survey that has observations or measurements. My Topic: My Question: My Data Collection Method: How I Plan to Collect My Data: How I Plan to Record My Data: Collect and record

answered Jul 13, 2022

1 answer 164k views

Badeshi and Kusunda are two languages in South Asia that will eventually die out because there are currently only 2-3 speakers of each. Answer Options: True False

answered Jul 9, 2022

1 answer 217k views

Write an inequality to represent this graph.

answered Jun 30, 2022

2 answers 132k views

Which of the following statements about the market philosophy of the Chicago School of Economics is correct? Select the best answer from the choices provided. A. The free market provides people with the

asked Jun 19, 2022

1 answer 97.0k views

5. Match each description with the correct equation below. Then solve the equation. a) When 4.26 is added to a number, the sum is 17.04. b) The product of 4.26 and a number is 17.04. c) When a number is

asked Apr 17, 2022

1 answer 161k views

Help fast Alvin is running at a rate of 3 meters per second. The meters he runs, m, in s seconds is given by the equation m=3s. Identify the dependent and the independent variable. Explain your reasoning.

answered Mar 20, 2022

2 answers 31.0k views

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