tayacall5731 tayacall5731

01-09-2018
Mathematics

contestada

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?
a. 4
b.14
c. 16
d.20
e. 50

Respuesta :

Аноним Аноним

01-09-2018

3x^2 - 2y
2x^2 - 3y

First expression

3(3)^2 - 2(5) = 3(9) - 10
27 - 10 = 17

Second expression

2(3)^2 - 3(5) = 2(9) - 15
18 - 15 = 3

17 - 3 = 14

B. 14

Answer Link

Otras preguntas

The Earth has a magnetic field. If you were to use a bar magnet to represent the magnet causing the magnetic field, which representation would be correct? The E

How many terms are in the sequence 178, 170, ..., 2? Can you please explain how you get you answer. step by step

HISTORY QUESTION 10 POINTS MULTIPLE CHOICEwhoever is correct gets brainliest Which of the following is a congressional position or organization?Budget Oversigh

State one risk and one benefit of being a stockholder.

9. How could you show readers where badgers live in the United States? 1.-a map 2.-a chart 3.-a photograph 4.-a drawing

A local taxi company charges a base fare of $3.20. The taxi company charges $0.40 for every minute the taxi is in service. If a passenger has $20, how many min

Type the correct answer in the box. Spell the word correctly. Steven owns a horse. The horse shows signs of excessive sweating, chronic laminitis, infertility,

Write needless hopeless foolishness emptiness motionless in reverse alphabetican order

triangle cde is reflected over the y axis. what are the vertices of triangle cde?

please help me I will def give brainliest <3