Answer:
x=15
Step-by-step explanation:
you get everything out of the parentheses then u subtract or add the two constants together which will give u 15
Answer:
3
Step-by-step explanation:
Rewrite the logarithmic notation to index notation.
4^x=64
Change 64 to index notation
ie 64 = 4^3
Since the base is the same(4) cancel them out
You remain with x = 3
Answer:
= 3.9 candy per pound
Step-by-step explanation:
This is a fraction equal to
7.8 candy ÷ 2 pounds
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 2
7.8 candy ÷ 2
________
2 pounds ÷ 2
=
3.9 candy
_______
1 pound
=
3.9 candy
_______
pound
= 3.9 candy per pound
Answer:
£349.35
Step-by-step explanation:
okay so firstly add the % to 100 = 170
then do 170 divided by 100 and multiply by the total ($205.50)
this would give you $349.35 <----- this is your orignal price (before the sale 70% off)
Factor using the difference of squares.
a^2-b^2 = (a+b)(a-b)
100n^2-1
(10n+1)(10n-1)
Final answer: (10n+1)(10n-1)
