Questions by David Williames

Questions by David Williames

A certain population of beavers builds dams across a stream to catch fish. Some years the stream carries more water than other years. The data below was collected by scientists studying the stream over

asked Feb 25, 2021

2 answers

2 votes

104k views

1. -x-y-z=-8 -4x+4y+5z=7 2x+2z=4 solve by substitution. 2. -2x+2y+3z=0 -2x-y+z=-3 2x+3y+3z=5 solve by elimination. please help, I've been stuck for a week now!

asked Feb 7, 2020

1 answer

0 votes

159k views

The area of a rectangular knitted blanket is 14 x^2 - 17 x -6. What are the possible dimensions of the blanket? Use factoring.

asked Mar 6, 2019

1 answer

2 votes

46.8k views

Which of the following is not an example of a molecule? a. 03 b. Mn c. KOH d. H2S

asked Jul 27, 2018

1 answer

2 votes

187k views

find a recipe in a book or online that includes the amount of salt as a fraction. model how to find the amount of salt needed when the recipe is doubled.

asked Apr 21, 2018

2 answers

5 votes

31.9k views

a farmer had a flock of sheep. he descovered something odd; when he counted them in 2's he had one sheep left over when he counted them in 3's, 4's, 5's and so on up to 10's he still had one left over.

asked Apr 20, 2018

1 answer

2 votes

118k views

Why was Senator Joseph McCarthy's anti-communist crusade brought to an end by his hearings about communists in the U.S. Army? a His investigations of the military were not permitted under federal law.

asked Feb 25, 2018

2 answers

0 votes

209k views

the volume of a box that's 9 centimeters long, 6 centimeters wide, and 3 centimeters high is _______ cm3

asked Dec 1, 2017

1 answer

5 votes

195k views

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