Answer:
380
Step-by-step explanation:
.20x = 19 + .15x
.05x = 19
x = 380
For every integer k from 1 to 10, inclusive the kth term of a certain sequence is given by [(−1)^(k+1)]∗[1/2^(k)].
If T is the sum of the first 10 terms in the sequence, then T is:
B.
A. Greater than 2
B. Between 1 and 2
C. Between 1/2 and 1
D. Between 1/4 and 1/2
E. Less than 1/4
Answer: 6
Step-by-step explanation:
There are 6 different combinations of choices for the date:
- Thai food, movie
- Thai food, ice skating
- Thai food, art museum
- Italian food, movie
- Italian food, ice skating
- Italian food, art museum
An easier way to solve for this is multiply by how many choices are in each category.
In food there is 2 choices, in activities there is 3 choices
Therefore: 2 x 3 = 6
Answer:
Donald needs 3 days to earn 3420 dollars
Step-by-step explanation:
Donald sells 760 marbles everyday. He sells each marble for 1.5 dollars
amount collected in one day= 
In one day the amount earned is 1140 dollars
we need to find the number of days needs to earn 3420 dollars
Number of days needed is 
So its around 3 days
Donald needs 3 days to earn 3420 dollars
