Answer:
90
Step-by-step explanation:
add the ratio 3+5 to get 8
amina received 3/8 of 240
perform the calculation 3/8×240
240/8=30. , 30×3=90
Answer:
-3a+8
Step-by-step explanation:
f(a)=-2a +5
s(a)= a-2-2a=-a+2
We are asked to determine
f(a) +g(a)
= (-2a +5)+ (-a+2)
=-2a+5-a+2
=-2a-a+5+2
=-3a+8
Answer:
It helps in calculating the price of groceries such as fruits.
Step-by-step explanation:
Remember, functions are mathematical expressions that represent or shows the relationship between one or more variables.
For example, let's say a young girl wants to shop for 20 oranges in a mall. If we express the price using the function where;
y represents the total cost of the oranges,
20 represents the number of oranges,
x represents the cost per orange (assumed to $0.99)
Then, by means of the knowledge of function, the girl determines the total cost she to be $19.8 (20*0.99).
Answer:
The independent variable is s and the dependent variable is r
Step-by-step explanation:
r = 5s+3
The independent variable is s and the dependent variable is r
