First we have to see the formula of profit, which is
And it is given that profit should be atleast $150, that is
Let Ritax dollars per cake, so for 15 cakes, she charge 15x .
And she epent 30 dollars for 15 cakes.
So we will get
Adding 30 to both sides
Correct option is the second option .
Answer:
x=6.1
Step-by-step explanation:
using sine
sin 34 = opposite/hypotenuse
sin 34=3.4/x
make x subject of the formula
x =3.4/sin 34
x =6.08019161
x≈6.1(to the nearest tenth)
Answer:
1 Meter is equal to 100 centimeters.
Step-by-step explanation:
Answer:
f(5) = 14
Step-by-step explanation:
Just replace the variable "x" with "5":
f(5) = 2×5 + 4 = 14
x^2 + 4x + 3 + 1 = (x + 2)^2
So 1 need to be added.