Answer:
ndkndksndssjsjsjsjsjs nsj
Step-by-step explanation:
7(x+3)
= 7x+ 7*3 (distributive property)
= 7x+ 21.
The final answer is 7x+21~
The only thing you could factor out is X so it would be
X(4x-5)
Answer:
154
Step-by-step explanation:
if you write down all the numbers in a line then you go from 169 and 144 equally to the middle you would reach 154
Answer:
$111
Step-by-step explanation:
The bank balance is ...
$700 × (1 + 0.05) = $735
The cost of the computer is ...
$750 × (1 -0.20) × (1 +0.04) = $624
The remaining bank balance after paying for the computer is ...
$735 -624 = $111
_____
When you add a percentage, you effectively multiply by the sum of 1 and that percentage. The same is true if the amount "added" is negative (as for a discounted price).
(original amount) + (percentage)×(original amount)
Use the distributive property to factor out the original amount:
= (original amount)×(1 + percentage)
