At the beginning of an experiment, there are 400 grams of contaminants. each hour, three-fourths of the contaminants are filtered out. a. formulate a recursive sequence modeling the number of grams after n hours. b. use the model to calculate the amount of contaminants after the third hour of the experiment.

What number produces an irrational number when multiplied by -1.25

Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?