Answer:
The answer is A! I got it right on pluto
This question can be solved using 2 equations since there
are 2 unknowns. First, let x = price of the tennis ball and y = price of the
baseball. The resulting equations are: (1) 5x +3y = 23.75 and (2) 2x + 7y =
31.25. Solving the 2 equations simultaneously, you get, x = 2.5 and y = 3.75.
The price of the baseball is then $3.75.
Answer:
-1
Step-by-step explanation:
2x-7 = 3x - 6
-7+6 = 3x-2x
-1 = x
Answer:
1 and 2/10
Step-by-step explanation:
Answer:
(14a + 3, 21a + 4) = 1
Step-by-step explanation:
Step-by-step explanation:
To prove that the greatest common divisor of two numbers is 1, we use the Euclidean algorithm.
1. In this case, and applying the algorithm we would have:
(14a + 3, 21a + 4) = (14a + 3, 7a + 1) = (1, 7a + 1) = 1
2. Other way of proving this statement would be that we will need to find two integers x and y such that 1 = (14a + 3) x + (21a + 4) y
Let's make x = 3 and y = -2
Therefore, (14a + 3, 21a + 4) = 1