Answer:the answer is B
Step-by-step explanation:
Answer:
wait wat ? its 18
Step-by-step explanation:
so plug in the numbers
4 times 2 - -5 times 2
4x2 = 8
-5x2 = -10
8-(-10) = 18
Answer and Step-by-step explanation:
Given
ax + by = c
qx + ry = s
(a) the equation has no solutions if a/q = b/r ≠ c/s, when this happens, we say the system of equations has no solution. For example
x + y = 3
x + y = 5
Subtracting first equation from the second we have:
0 = 2 which is impossible.
(b) the equations have infinite solutions if a/q = b/r = c/s, for example
x + y = 2
x + y = 2
Subtracting the first equation from the second we have
0 = 0, since this is always true, then it has infinite solutions.
(c) the equations have unique solutions if a/q ≠ b/r, for example
x + y = 2
x – y = 1
Adding the first and second equation we have
2x = 3, we can get x from here and definitely y, so we have just one solution.
New price = old price *(1+increase%)
=130(1+300%)
=130(1+3)
=130(4)
=520
Statistical graphs are used to look at the features, identify the useful or interesting characteristics or tends of the data. For example a line graph can be used to look at the changes in price of Bitcoin with time. So the answer to your question is graph.
