The sum of the vectors is (2,1)
A vector exists as an object that has both a magnitude and a direction. Geometrically, we can imagine a vector as a directed line segment, whose length exists the magnitude of the vector and with an arrow suggesting the direction. The direction of the vector exists from its tail to its head.
(-1,-4) + (3,5)
( -1+3 , -4+5 )
( 2,1)
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Answer:
Step-by-step explanation:
60 – (-10 × 3)
60 – 10
60 + (-10 × 3)
members is electing a new president. Charmaine received
51
votes. What percentage of the club members voted for Charmaine?
Checking with Addition:
Let x, y be two whole numbers.
Then, x + y is definitely a whole number.
So, the set of whole numbers is closed under addition.
Checking with Subtraction:
Let x, y be two whole numbers.
Then, x - y may or may not be a whole number.
For example, if we take 3 and 2,
3 - 2 = 1 is a whole number but if we take 2 and 5, then
2 - 5 = -3 is not a whole number.
So, the set of whole numbers is not closed under subtraction.
Checking with Multiplication:
Let x, y be two whole numbers.
Then, x × y is definitely a whole number.
So, the set of whole numbers is closed under multiplication.
Checking with Division:
Let x, y be two whole numbers.
Then, x / y may or may not be a whole number.
For example, if we take 6 and 3,
6/3 = 2 is a whole number.
But, if we take 4 and 5,
4/5 is not a whole number.
So, the set of whole numbers is not closed under division.
Answer:
0.055% of 4 hours is 8 seconds.
Step-by-step explanation:
Use conversion:
1 hour = 3600 seconds
We have to find the percent of 4 hours to 8 seconds.
4 hours = 14400 seconds
then;
Therefore, 0.055 percent of 4 hours is 8 seconds.
Answer: He used of a meter for each mask.
Step-by-step explanation:
Given : A tailor used 2 meters of string to make 10 Halloween masks.
Here, Total length of string = 2 meters
Number of masks = 10
The the part of a meter of string is used for each Halloween mask will be :-
[Divide total length of string by number of masks]
Hence, he used of a meter for each mask.
Answer:
4
Step-by-step explanation:
Sample size: 4
Mean: 19
MAD: 4