2x + 5y = 19
x - 2y = - 4
Answer:
Step-by-step explanation:
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2x + 5y = 19
x - 2y = -4
Multiply the second equation by 2
2x - 4y = -8
Now we have:
2x + 5y = 19
2x - 4y = -8
Subtract the second eq from the first to get:
9y = 27
/ 9
y = 3
Now substitute this value into one of the first equations
x - 2(3) = -4
x - 6 = -4
x = 2
Thus, your answer would be option B
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What is the speed of the bird when it flies against the wind?
Enter your answer in the space provided.
Answer: The speed of the bird when it flies against the wind would be 8 meters per second
Side of square = 4x
What does X___ = please answer this !!!
Answer:
1. Area = Base * Height
2. 144x = 4x * 4x
3. 144x = 16(x^2)
4. 9x = x^2
5. x = 9
Step-by-step explanation: