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JulsSmile [24]
2 years ago
10

Foina wrote an linear equation y=2/5-5

Mathematics
1 answer:
kvv77 [185]2 years ago
8 0
Fiona wrote the linear equation y=2/5x-5. When Henry wrote his equation, they discovered that his equation had all the same solutions as Fiona's. Which equation could be Henry's?
A.) x-5/4y=25/4
B.) x-5/2y=25/4
C.) x-5/4y=25/2
D.) x-5/2y=25/2
y=2/5x-5=>5/2y=x-25/2 (times 5/2) => x-/2y=25/2
Answer: x-5/2y=25/2 or D.
I hope this helps!! :)
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The revenue, in dollars, of a company that makes toy cars can be modeled by the polynomial 3x2 + 4x – 60. The cost, in dollars,
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4 0
3 years ago
Read 2 more answers
Its add math. i really need help, solve the question. thanks♥️​
dexar [7]

Answer:

see explanation

Step-by-step explanation:

Given

f(x) = ax + b

x = 2 → f(x) = 1 and x = - 1 → f(x) = - 5 ( from the table )

Substitute these values into f(x) = ax + b, that is

2a + b = 1 → (1)

- a + b = - 5 → (2)

Subtract (2) from (1) term by term to eliminate b

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a = 2

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(b)

When x maps onto itself then

ax + b = x, that is

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x - 3 = 0 ( add 3 to both sides )

x = 3

Thus a = 2, b = - 3 and x = 3

6 0
3 years ago
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