Answer:
Rhana buys a skateboard for which the original price is $130.oo and an in-line skates with an original price of $ 290.00. Pedro buys a baseball glove for which the original price is $160.00 and in- line skates with an original price of $210.00. There is also a 5% tax on the sale of all sporting goods. Who spent less money at the sporting goods store?
Step-by-step explanation:
Answer:
1) yes
2) No
3) No
4) yes
5) No
Step-by-step explanation:
1) f(0)=0, f(1)=1, f(2)=2, f(3)=3, then ![f[\{0, 1, 2, 3\}]=\{0, 1, 2, 3\}](https://tex.z-dn.net/?f=f%5B%5C%7B0%2C%201%2C%202%2C%203%5C%7D%5D%3D%5C%7B0%2C%201%2C%202%2C%203%5C%7D)
2) f(0)=0, 
, then f(1)=1; 
, then f(2)=0; 
, then f(3)=1
Then ![f[\{0, 1, 2, 3\}]=\{0, 1, 3\}](https://tex.z-dn.net/?f=f%5B%5C%7B0%2C%201%2C%202%2C%203%5C%7D%5D%3D%5C%7B0%2C%201%2C%203%5C%7D)
, this means that f isn't onto.
3.
, then f(1)=0
, then f(2)=2
, then f(3)=2
Then ![f[\{0, 1, 2, 3\}]=\{0, 2\}](https://tex.z-dn.net/?f=f%5B%5C%7B0%2C%201%2C%202%2C%203%5C%7D%5D%3D%5C%7B0%2C%202%5C%7D)
, this means that f isn't onto.
4. ![f[\{0, 1, 2, 3\}]=\{0, 1, 2,3\}](https://tex.z-dn.net/?f=f%5B%5C%7B0%2C%201%2C%202%2C%203%5C%7D%5D%3D%5C%7B0%2C%201%2C%202%2C3%5C%7D)
, then f is onto.
5. ![f[\{0, 1, 2, 3\}]=\{1, 2\}](https://tex.z-dn.net/?f=f%5B%5C%7B0%2C%201%2C%202%2C%203%5C%7D%5D%3D%5C%7B1%2C%202%5C%7D)
, this means that f isn't onto.
Answer:
See attachment
Step-by-step explanation:
The given matrix equation is:
To find Matrix X, we need to multiply both sides of the equation by 2 to obtain:
This simplifies to;
By scalar multiplication, we multiply each entry in the matrix A by to 2 to obtain matrix X.
There are 10 squares and each square is a meter
Well just lookin at it and guessing I would say the estimate would be 777 bc u know that 8+9=17 den carry the one and u know that 1+6=7 and u know that 5+2=7 and yea
Hope this help good luck have a nice nite
