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kari74 [83]
3 years ago
5

Select the correct answer. What are the solutions of this quadratic equation? 25x^2 + 1 = 0

Mathematics
1 answer:
Llana [10]3 years ago
4 0

Answer:

no solution because the square root of a negative number is not a real number d=-100

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An eagle 311 feet in the air spots its prey on the ground. The angle of depression to its prey is 15°. What is the distance betw
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I think the answer is 1,161 feet

Sorry if that’s incorrect, but here’s the explanation in case you need it:

The tangent of a triangle is the opposite leg over the adjacent leg. 311 is the opposite leg, and X would be the adjacent leg. So 311 divided by x is equal to tan 15. If we rearrange this to be equal to X, X equals 311 divided by tan 15. Tan 15 is equal to 0.2679, so 311/0.2679 = 1,160.6. That amount rounds up to 1,161, giving you the answer of 1,161 feet.
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What is the inverse of the function f(x) = 2x - 10?
aliya0001 [1]

Answer:

h(x) = \frac{1}{2} x+ 5

Step-by-step explanation:

To find the inverse of a function, simply switch the 'x' and 'y' variables. Substitute in 'y' in the place of f(x) for this purpose:

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Switch positions:

x = 2y - 10

Add '10' to both sides to begin simplifying:

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This can be rewritten as:

y = \frac{1}{2} x+ 5

Therefore, the inverse of the function is:

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