Answer:
The additive inverse of a number is what you add to a number to create the sum of zero. So in other words, the additive inverse of x is another number, y, as long as the sum of x + y equals zero. The additive inverse of x is equal and opposite in sign to it (so, y = -x or vice versa).
Step-by-step explanation:
$3.15 because you multiply 4.50 by .30 because you change the percent into a decimal so you get 1.35.Now you subtract 4.50 and 1.35 because it is a discount.
Answer:
The expressions that show the value of q are
1) 
2) 
3) 
4) 
5) 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
case A)
In the right triangle of the figure
Applying the Pythagoras Theorem
case B)
In the right triangle of the figure
solve for q
case C)
In the right triangle of the figure
solve for q
case D)
In a right triangle
if 
then
therefore
------>
------>
Answer:
60 grams sugar for 15 biscuits.
3x60 grams of flour, so 180 grams for 15 biscuits.
60÷15= 4 batches.
4 batches with 180 grams each- 4 x 180= 720 grams of flour.
