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

A second number is 5 less than a first number. a third number is three times the first number. if the sum of the three numbers is 555, find the numbers. (a) 110

What appears to be one criterion that scientist use when defining the timing of geological periods?

I need help and polynomials

How to convert polar coordinates to rectangular on ti 84?

What are the short pieces of dna formed on the lagging strand are called?

How many ways can you select 4 volunteers out of 13?

paul spent 35 hours this winter skiing. his girlfriend nancy spent 23 hours skiing. how many more hours did paul spend skiing than nancy

Determine the x-coordinate of the vertext of thee parabola by making use of the fact that at the vertex the slope of the tangent is zero

Robert Burns's poem about a louse on a lady's bonnet was successful because _____. poetry is emotional, poetry is intellectual, poetry must make a point, none

Which value of x results in equal outputs for f(x)=3x-2 and b(x)= x+2?