averagestudent07 averagestudent07

22-01-2021
Mathematics

contestada

Question Progress
24 Marks
If x = 2 and y = 5, work out the value of
a) 10x - 3y
b) 3x^2 + 2y^2
hint:A is 5 but I can't work out B

Respuesta :

goodnessmatthew087 goodnessmatthew087

22-01-2021

Answer:

b=62

Step-by-step explanation:

3(2)^2+2(5)^2

3*4+2*25

12+50=62

Answer Link

Otras preguntas

How do X-rays and ultrasounds differ ?

The temperature in degrees celsius on the surface of a metal plate is given by t(x, y), where x and y are measured in centimeters. find the direction from poi

what are the zeros of 3x^2+5x-12

If parallelogram ABCD was reflected over the y-axis ,reflected over the x-axis, and rotated 180 where would point A’ lie?

the ottoman and mughal empires had which characteristic in common

Judeo-Christian principles refer to the religious beliefs and values held in common by

Tell weather the statement “some rational numbers are integers” is true or false. Explain your choice.

Which us holiday traditionally marks the end of summer?

select one of the main body systems and explain why it is essential to keep the whole body functioning

Who is Jesus? Is he the most hight God? Is he our Lord? Our savior? Redeemer???