averagestudent07
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 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

Why is distilled water added to the crucible after igniting the magnesium metal?
Solve algebraically for x
which word can be a synonym for the word persistent A. weak B. stubborn C. dishonest D. unclear
How do you find the base of a triangle given the area and height?
Mr. Abernathy bought a selection of wrenches for his shop and paid $78. He bought the same number of $1.50 and $2.50 wrenches, and half of that number of $4 wre
I need to solve -3>-7+4t Thanks
A scientist wants to know if an organism makes a certain protein in its skin. how can he analyze a skin sample for the presence of the particular protein?
What process does the image show?
He was the founder of the Quaker settlement that later became the state of Pennsylvania 1)George Whitefield 2)John Smith 3)Roger Williams 4)William Bradford 5)
_____ is the process of focusing awareness on a narrow aspect of the environment.