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oee [108]
4 years ago
14

What is the answer to the equation (x-5)^2=40

Mathematics
1 answer:
Citrus2011 [14]4 years ago
3 0

Answer:

x^2 -10x - 15 = 0

(don't know how far you want me to go)

Step-by-step explanation:

(x - 5)^2 = 40

(expand the brackets)

(x - 5)(x - 5) = 40

x^2 -5x -5x + 25 = 40

x^2 -10x + 25 = 40

x^2 -10x - 15 = 0

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Explanation:

AB || DC means we know that angle ABD = angle CDB. They are alternate interior angles. This is shown as the red angle markers in the diagram below.

Similarly, AD || BC leads to angle DBC = angle BDA. They are also alternate interior angles and they are marked in green in the diagram below.

So far we have two pairs of congruent angles.

The pair of congruent sides is BD = BD by the reflexive property. Any segment is congruent to itself.

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3 years ago
Choose the graph below that represents the following system of inequalities:
AlexFokin [52]

Answer:

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the answer is the option

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Step-by-step explanation:

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Nataliya [291]

Answer:

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3 years ago
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Hoochie [10]

Answer:

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Step-by-step explanation:

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