Questions by Filippo Sebastio

Questions by Filippo Sebastio

Which could be true about an unknown sample with a pH of 7? (2 points) It contains only water. It is highly acidic. It has a very high hydroxide ion concentration. It is a solution of HF and water.

asked Sep 8, 2020

2 answers

0 votes

5.4k views

The universe began with an explosive force. The universe continues to expand. is that a hypothesis theory or law?

asked Aug 19, 2020

2 answers

5 votes

54.5k views

An article suggests the uniform distribution on the interval (7.5, 19) as a model for depth (cm) of the bioturbation layer in sediment in a certain region. (a) What are the mean and variance of depth?

asked Jan 6, 2020

1 answer

1 vote

79.2k views

Which types of questions can most likely be answered through a scientific investigation? 1.objective questions 2. subjective questions 3.questions about people's opinions 4.questions about people's favorites

asked Sep 17, 2019

2 answers

2 votes

94.3k views

The bar chart shows the percentage of adults in the U.S. living with certain heart disease risk factors. Which conclusion can be drawn from the chart? A. More adults reported leading an inactive lifestyle

asked Jul 24, 2019

1 answer

0 votes

138k views

Plz help with this problem

asked Mar 14, 2019

2 answers

4 votes

155k views

Sherona is very good at standardized tests and frequently scores very high. she has poor work habits and often turns in her assignments late. teachers overlook her late assignments because they view her

asked Feb 1, 2019

1 answer

1 vote

196k views

A triangle has sides of 15 and 27 what is the measurement of the longest missing side

asked Nov 27, 2018

2 answers

0 votes

73.9k views

Spencer was able to drive his car 420 mi on 12 gallons of gas. At this rate how many gal of gas would he need to be able to drive 595 mi?

asked Apr 4, 2018

2 answers

0 votes

173k views

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