Questions by Xiaofei

Questions by Xiaofei

What is the exact area of a circle having diameter 4in

asked Aug 13, 2021

1 answer

0 votes

169k views

Eight cards are marked 3, 4, 5, 6, 7, 8, 9, and 10 such that each card has exactly one of these numbers. A card is picked without looking. Find the probability. Write the answer as a fraction. P(greater

asked May 25, 2021

1 answer

4 votes

8.2k views

Element X is a radioactive isotope such that every 20 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 410 grams, how long would it be until the mass of the sample

asked Mar 25, 2021

1 answer

3 votes

111k views

Total cost is the a. amount a firm receives for the sale of its output. b. fixed cost less variable cost. c. market value of the inputs a firm uses in production. d. quantity of output minus the quantity

asked Mar 14, 2021

1 answer

5 votes

113k views

HELP PLZ HELP PLZ GOD BLESS YOU AND YOUR GRADES

asked Feb 13, 2021

1 answer

2 votes

172k views

What caused the development of fighter airplanes?

asked May 25, 2020

1 answer

4 votes

67.9k views

Which is more? 1 gallon or 8 liters?

asked Apr 3, 2020

2 answers

0 votes

120k views

For all values of x, y, and z, which expression is equivalent to 4x + 4y + 4z? A) 4(x + y + z) B) 4y(x + z) C) 4(x + 4y + 4z) D) 12xyz

asked Aug 27, 2019

2 answers

5 votes

95.8k views

Need help with just #8

asked Jan 10, 2019

1 answer

5 votes

125k views

What are the major landforms in Washington State?

asked Nov 12, 2018

2 answers

2 votes

71.4k views

How was king at the start of World War I

asked Sep 10, 2018

1 answer

5 votes

133k views

The framers employed the separation of powers and federalism in order to

asked Jul 3, 2018

1 answer

1 vote

81.7k views

Which of the following statements is true about taste bud preferences?

asked Jan 15, 2018

2 answers

2 votes

37.3k views

What is data protection

asked Sep 17, 2017

1 answer

0 votes

218k views

Terry has a goal of making $300 in commissions for the week. if her commission is based on 18% of sales, how much does she need to sell to make her goal?

asked Jun 16, 2017

1 answer

2 votes

59.2k views

Marcus is buying 10 gift bags for his birthday party. He will choose items to put in the bags and then pay an additional charge of $0.75 for the actual bag. Marcus cannot spend more than $50. Write and

asked Feb 14, 2017

1 answer

0 votes

160k views

Tamiya wants to display 10 trophies on a table in a rectangular array. How many different ways can Tamiya arrange the trophies?

asked Feb 3, 2016

1 answer

3 votes

212k views

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