Recent activity by Czechnology

Recent activity by Czechnology

4. The expression for sum of numbers a and b subtracted from their product is: (a) a+b-ab (b) ab-a+b (c) ab - (a + b) (d) ab+a-b

asked Nov 26, 2024

1 answer 133k views

A diamond tip microdermabrasion device is also know as: a) hydradermabrasion b) crystal microdermabrasion c) particle microdermabrasion d) non-particle microdermabrasion

answered Nov 19, 2024

1 answer 193k views

What is the block size and key size used by des? 1) 56-bit block and 64-bit key 2) 64-bit block and 56-bit key 3) 56-bit block and 56-bit key 4) 64-bit block and 64-bit key

asked Nov 18, 2024

1 answer 20.8k views

In what ways did this scientist's contribution represent a change from prior understandings about the atom?

asked Oct 21, 2024

1 answer 100k views

The nurse discusses measures to prevent infection of the reproductive tract with a client. The nurse determines that the client has understood the information when the client identifies which component

asked Sep 16, 2024

1 answer 126k views

Which of the following is a potential negative factor for foreign investment in China? a) Stable political environment b) Transparent legal system c) Currency exchange regulations d) Favorable tax incentives

answered Jun 12, 2024

1 answer 150k views

Female birds have which sex chromosomes? a. ZZ b. XX c. XO d. ZW e. XY

asked Jun 7, 2024

2 answers 90.0k views

Literary criticism is not…

asked May 2, 2024

2 answers 7.3k views

If 14.5 mol of an ideal gas occupies 58.5 L at 67.00 °C, what is the pressure of the gas?

answered Apr 26, 2024

1 answer 165k views

If the calculated NPV is negative, then which of the following must be true? The discount rate used is: a) Greater than the IRR b) Less than the IRR c) Equal to the IRR d) Too high"

answered Jan 30, 2024

1 answer 16.0k views

To derive GDP using the expenditure approach, we must look at each of the separate components of expenditures and then add them together. These components are_______

answered Jan 19, 2024

1 answer 129k views

Both the US Congress and Arizona Legislature are bicameral? 1) True 2) False

asked Jan 12, 2024

1 answer 27.8k views

0.9(x+1.4)−2.3+0.1x=1.6 please help, I'm really not sure how to do this.

answered Dec 12, 2023

1 answer 183k views

Given the vectors:r = <8, 1, -6>; v = <6, 7, -3>; w = <-7, 5, 2> Evaluate the expression:v ⋅ w

answered Dec 3, 2023

1 answer 5.0k views

How do i figure out k in the equation 6k-25=7-2k

answered Oct 30, 2023

1 answer 129k views

There are 1,001 pennies lined up on a table. Starting at one end of the line, I replace every third coin with a dime. How much money on the table?

asked Sep 2, 2023

1 answer 121k views

How do you do probabilities in math?

answered Aug 5, 2023

2 answers 153k views

Sam has a phone card that charges $1 to connect and $0.50 per minute. He also uses a cell phone that charges $3 to connect and $0.25 per minute. In how many minutes will calls made using the phone card

asked Jul 19, 2023

1 answer 18.5k views

Match the following terms and identifying phrases. Column A 1. The fitness of the body: The fitness of the body 2. The way a person feels about himself or herself, life, and the people around him or her

asked Jun 12, 2023

2 answers 47.8k views

Select the correct row in the table. Which row of the table reveals the x-intercept of function f ?

asked Jun 1, 2023

1 answer 225k views

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