Questions by Dlq

Questions by Dlq

Y - 5z = 15 x + 2y - z= 7 -3x – y + 2z = 10 Use an augmented matrix to solve the linear system

asked Dec 21, 2020

1 answer

1 vote

55.5k views

On each of the 18 cards, only one number is written: 4 or 5. The sum of the numbers on all the cards is divisible by 17. How many cards are there with a number "5"?

asked Nov 10, 2020

1 answer

3 votes

115k views

A tank originally contains 100 gal of fresh water. Then water containing 12 lb of salt per gallon is poured into the tank at a rate of 2 gal/min, and the mixture is allowed to leave at the same rate. After

asked Sep 17, 2020

1 answer

0 votes

158k views

Why did the Roman Catholic Church oppose the ideas of Galileo? Galileo believed that Earth was the center of the universe. Galileo believed that the Sun was the center of the universe. Galileo believed

asked Aug 18, 2020

2 answers

0 votes

30.8k views

When one dog starts sniffing the ground for a potential scrap of food, other dogs' attention may be drawn to that part of the ground, and they may copy this sniffing behavior. This is an example of: A)

asked Mar 28, 2020

1 answer

0 votes

191k views

Give the following blackbody curve graph,what color will star A be?

asked Jun 14, 2019

2 answers

0 votes

215k views

f Javier has a car with a mass of 250,000 kg and it is acted upon with a force of 300 Newtons. What is the acceleration?

asked May 13, 2019

1 answer

3 votes

120k views

Combustion analysis of toluene, a common organic solvent, gives 8.20 mg of co2 and 1.92 mg of h2o. if the compound contains only carbon and hydrogen, what is its empirical formula?

asked Oct 10, 2018

1 answer

3 votes

54.9k views

Describe the multiplication pattern and find the next two terms. 40, 20, 10, 5, 2.5, … A. The first term is 40. Each term is multiplied by 0.5. The next two terms are 0.625 and 0.3125. B. The first term

asked Sep 12, 2018

2 answers

5 votes

208k views

?________ was an electronic device designed to decode messages that were sent between the german high command and their field commanders in world war ii.

asked Sep 4, 2018

1 answer

3 votes

117k views

How is the underlined pronoun used in the sentence? Those books on the table belong to us. A. object of a preposition B. subject complement C. direct object D. subject the word us is underlined .

asked Jun 27, 2018

1 answer

0 votes

117k views

2×5/6 what is it??? please help

asked Jun 11, 2018

2 answers

0 votes

84.1k views

A store advertises 15% off an item that regularly sells $300.what is the sale price off the item?

asked Oct 9, 2017

1 answer

2 votes

230k views

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