Answer:
4p+3q-3p-3q
=4p-3p+3q-3q
=p+3q-3q
=p
Step-by-step explanation:
Y = 2x - 1 is the equation
First, we know that their are 419 students....and that each needs 4 ribbons.
419*4 = 1676
Now, we also need to add the 48 ribbons for the parents.
1676 + 48 = 1724
Now, in total, Mr. wolf needs 1,724 ribbons.
Answer:
3
Step-by-step explanation:
Explanation:
Although you have not been provided with direct masses, you can use the percentage composition values in place of masses.
First, calculate the number of moles of each element:
This is the formula for the ionic compound calcium carbonate, confirming that our result is indeed in the magnitude of a plausible answer. In fact, given the fact that calcium carbonate is ionic, it is also true that this empirical formula equates to the unit formula of the compound.
