Answer:
Step-by-step explanation:
The stuff that is yellow is the answer!
Answer:
y = 112
Step-by-step explanation:
If y varies directly as the square of x
mathematically;
y ∝ x²
y = kx² where 'k' is the constant of proportionality
let u know the value of k for this equation by making k the subject of the formular from y = kx²
divide both sides by x²
k = y / x²
given that y = 567 x = 9
k = 567/(9)²
k = 567/81
k = 7
now to get the value of y when x = 4
from the equation conneting x, y,
y = kx²
y = 7 × (4)²
y = 7 × 16
y = 112
Answer:
2/3, 1,2,4
Step-by-step explanation:
Answer:
9t + 8
Step-by-step explanation:
9t + (5+3)
Think of it like this. You have 9 oranges, 5 grapes, and 3 grapes. How many grapes and oranges do you have?
Math wise, we will have t representing oranges, and the normal numbers representing grapes. All you have to do is combine them using whatever sign separates them. If you need more help, let me know.
