Questions by Walchy

Questions by Walchy

If you are given a 2,900-gram sample of Hydrogen, and hydrogen has a half-life of 2,450 years. How much hydrogen is left after 19,600 years?

asked Jul 21, 2021

2 answers

3 votes

186k views

I need help for these 2 questions , the second question options are A. mutualism B. predation C. parasitism D. competition

asked Jul 3, 2021

1 answer

0 votes

90.4k views

Consider the characteristics of the center, shape, spread, and any unusual features. Which statement correctly describes the data? A) There is an outlier at 7. B) The range of the data is 7. C) The data

asked May 6, 2021

1 answer

5 votes

234k views

A torch and a battery cost £2.50 altogether. The torch costs £1.50 more than the battery. What fraction of the total price is the torch? Give your answer in its simplest form. PLEASE CHECK UR ANSWER

asked Apr 18, 2021

1 answer

4 votes

213k views

Which shows the correct use of commas. A. Hearing the song "Amazing Grace," always makes me think of both funerals and the slave-ship captain who wrote its words. B. Hearing the song, "Amazing Grace,"

asked Dec 13, 2020

1 answer

1 vote

194k views

Shifty borrowed $10,000 from Easy. When Easy tried to collect the debt, she discovered that Shifty had moved to another state. Easy tracked Shifty down and demanded payment. Knowing it would cost Easy

asked Dec 12, 2020

2 answers

5 votes

165k views

Why did the United States abandon the gold standard in the 1930s? The government wanted to rapidly expand the money supply in response to the Great Depression. The Treasury Department in the United States

asked Jul 5, 2020

1 answer

3 votes

173k views

True or False: You need a W-2 form only for filing your federal taxes, not your state taxes.

asked Feb 27, 2020

2 answers

1 vote

144k views

Can anyone help me please? I have no idea what to do! :'( Write each equation in exponential form.

asked Jan 9, 2020

1 answer

5 votes

114k views

An animal shelter has 16 puppies. If the puppies are 32% of the total dog and cat population, how many dogs and cats are in the animal shelter

asked Nov 16, 2019

1 answer

5 votes

145k views

The variability at each feeder is 3.168. The difference between the median number of hummingbirds spotted per day at each feeder is approximately how many times the variability? a.4 b.5 c.2 d.2

asked Oct 14, 2019

2 answers

5 votes

70.9k views

Which of the following is not a benefit provided by a social group A.instinct to run from predators B.access to mates C.protecting young D.learning to recognize predators

asked Oct 7, 2019

2 answers

1 vote

46.6k views

Over the past 100 years, the amount of fossil fuel consumption has A) Increased B) Decreased C) Stayed the same D) Fluctuated Please help!

asked Jul 14, 2019

2 answers

2 votes

173k views

What elements are find in a high proportion in earths crust

asked Jun 24, 2019

1 answer

5 votes

154k views

How did the Indian New Deal reverse the conditions that resulted from the Dawes Act?

asked Mar 25, 2019

2 answers

2 votes

169k views

a machine can weave 40 inches of fabric in 12 minutes how long will it take for the machine to weave 100 inches of fabric? can someone show the work plz thanks

asked Nov 11, 2018

2 answers

3 votes

22.5k views

Tim can paint three 10 ft. by 12 ft. walls in 4 hours. He has to paint his house, and it has 9 walls this size that need to be painted. If he starts at 10:00 a.m., about what time will Tim finish? A. 9:00

asked Sep 24, 2018

2 answers

2 votes

179k views

What is the minimum number of neurons that can be involved in a reflex??

asked Aug 4, 2018

1 answer

5 votes

134k views

Halp plz PPPPPLLLLLLLLLLZZZZZZZZZZZ

asked Mar 26, 2018

2 answers

1 vote

130k views

English economist Thomas R. Malthus predicted that there would not be any problems resulting from population growth. Please select the best answer from the choices provided T F

asked Jun 7, 2017

2 answers

5 votes

30.9k views

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