Answer:
8.
Denote the equation : y = ax + b
Use the first 2 values of x and y in table:
3a + b = 21
5a + b = 35
Subtract the 2 equations:
=> 2a = 14 => a = 7 => b = 21 - 3 x 7 = 0
=> The solution is y = 7x
9.
Denote the equation : y = ax + b
Use the first 2 values of x and y in table:
5a + b = 17
10a + b = 22
Subtract the 2 equations:
=> 5a = 5 => a = 1 => b = 17 - 5 x 1 = 17 - 5 = 12
=> The solution is y = x + 12
Hope this helps!
:)
Answer: 21 square units
Step-by-step explanation:
We know that the area of parallelogram is given by:-
Let US denote the height of the Parallelogram RSTU with corresponding base ST.
By counting the distance between the points using grids or by distance formula,
US=
ST=
Now, the area of parallelogram RSTU is given by:-
1. right 1, down 4 (down 4, right 1)
2. right 4, down 1 (down 1, right 4)
3. left 1, up 4
keep in mind that the x axis is the horizontal axis (the further right you go the larger the number) and that the y axis is the vertical axis (the further up you go the larger the number)! hope this helped you out!
4. At the dog show, there are 4 times as many boxers as spaniels. If there are a total of 30 dogs, how many dogs are spaniels?
Answer: 4x+x=30
There are 6 Spaniels.
