TatyanaNabor343 TatyanaNabor343
  • 11-06-2014
  • Mathematics
contestada

When x = 3 and y = 5, by how much does the value of 3x^2 – 2y exceed the value of 2x^2 – 3y ?
F. 4
G. 14
H. 16
J. 20
K. 50

Respuesta :

konrad509
konrad509 konrad509
  • 11-06-2014
[tex]3\cdot3^2-2\cdot5-(2\cdot3^2-3\cdot5)=27-10-(18-15)=17-3=14[/tex]
Answer Link

Otras preguntas

By how much should the pressure of a litre of water be changed to compress it by 0.10% ?​
1) 3:5 into percentage 2) 7:4 into percentage
Which expression is equivalent to -(-2)? - 1 + -2 -1 x -2 1 - (-2) 1 + -2
does anyone know how to pass paying for answer
Are the two triangles similar? If so, state the reason and the similarity statement.
QUESTION: Why are these different chemicals solids, liquids and gases at different temperatures?
Which is a coefficient in the expression (3x5)+4x
Identify the decimal labeled with the letter A on the scale below HELP PLZ
My family (go) _____ to the resort if the weather hadn't been so bad today
Mrs. Meekway is sewing matching dresses for the ladies' quartet to wear to the Student Convention. Each dress requires 4 2\3 meters of material. Estimate the am