Answer: A.
The reason is because if you're adding a negative to a number, it's subtraction, which is in the expression.
Answer:
The range is [0,37.5]
Step-by-step explanation:
We start by writing the equation that links x and y
From the question;
y = 7.5x
Now, she has enough material to make 5 only
When we talk of range, we are referring to the values on the y-axis
So the lowest y value is 0
and since the highest number of bracelets is 5;
The total cost of the 5 is 7.5(5) = 37.5
So the range is [0,37.5]
Answer:
Step-by-step explanation:
Given the expression , to solve the expression, we need to write both scientific notation to the same power of 10.
The expression above becomes . On taking the difference;
The final expression gives the right answer
5/7 ÷ 1/3 = 5/7 × 3/1 = 15/7