Questions by Lev Kazakov

Questions by Lev Kazakov

Breann solved the system of equations below. What mistake did she make in her work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 − 2x) = 10 x − 10 + 4x = 10 5x − 10 = 10 5x = 20 x = 4 2(4) + y = 5 y = −3

asked Feb 8, 2020

1 answer

1 vote

173k views

What is the shape of the cross section formed when a cylinder intersects a plane shown in the drawing

asked Aug 21, 2019

2 answers

3 votes

153k views

What is the equation of a line that is perpendicular to y = 3 x − 2 and passes through the point ( 6 , 8 ) Was

asked Jul 1, 2019

1 answer

0 votes

119k views

How many numbers between 50 and 250 (inclusive) are not perfect squares?

asked Feb 10, 2019

1 answer

2 votes

92.1k views

All changes in the original shape and size of a rock body are called Faulting Deformation Folding Stress

asked Apr 26, 2018

2 answers

0 votes

190k views

Mr. Smith goes out of his house for a walk. He goes 6 blocks due north, 4 blocks due east, 4 blocks due south, 2 blocks due east, and 2 blocks due south. At this point, where is Mr. Smith in relation to

asked Feb 28, 2018

1 answer

5 votes

213k views

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