Answer:
C. -11,325
Step-by-step explanation:
- To know the answer, is convenient to replace some values of "n" in the sum .
- The result would appear after adding up every value of the expression when n=1,2,3.....,150.
- When n=1, the expression takes the value of (-1): .
- When n=2, the expression takes the value of (-2): .
- Following this way, for every n, we will obtain -n, then, the sum will be: . This sum can actually be expressed as , which is the result of solving the initial expression of the sum .
- Finally, the sum of n=-1 to n=-150 equals -11,325.
So assuming that there are 2 choices per cup: not defective, and defective
1/2 for 1st cup
1/2 for second
but with both , multiply
1/2 times 1/2=1/4
te answer is 1/4
Both methods start out with a factor tree. A factor tree is a diagram that is used to break down a number into its factors until all the numbers left are prime. The first way you can use a factor tree to find the factorization of a number is to divide out prime numbers only. Let's factor 24 using this method.
Answer: Interest rate is $360.00
Step-by-step explanation:
Equation:
I = Prt
P= $600.00
R= 2%
T= 30
I = 600 × 0.02 × 30 = 360
I = $ 360.00
The simple interest accumulated
on a principal of $ 600.00
at a rate of 2% per year
for 30 years is $ 360.00.
Answer:
I tried my best..
Step-by-step explanation:
relative change
=
|
new
−
old
|
old
⋅
100
%
relative change
=
|
12
−
16
|
16
⋅
100
%
relative change
=
25
%
12
<
16
, so there is a decrease of
25
%
.