Easy not to call it 2 ones and just call it 2 instead.
a tenth is 1 divided by 10 = 0.1.
20 tenths therefore is 20 times 0.1 = 2
For 25, I would begin with working out the difference in price.
$450 - $360 = $90
Then, $450 is 100% of the cost, therefore we want to know how much it has decreased.
I would work out 1% of $450. [$450 / 100 = $4.50]
Now if we divide $90 (the change in cost) by $4.50, we can tell what percent of a decrease we have.
90 / 4.5 = 20
Therefore we have a 20% decrease.
Answer:
176m
Step-by-step explanation:
Find the area of a composite firgue by splitting the it into shapes you know you can find the area of.
In the is there is rectangle and rectangle so do the formula for rectangle.
A = bh
A = 10×4
A = 40
A = bh
A = 17×8
A = 136
then add the areas up to get your answer
136+40 = 176
Answer:
In mathematics and computer science, a recursive definition, or inductive definition, is used to define the elements in a set in terms of other elements in the set. Some examples of recursively-definable objects include factorials, natural numbers, Fibonacci numbers, and the Cantor ternary set.
Step-by-step explanation: