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3 years ago

Which sentence is true about a right triangle

Mathematics

2 answers:

dexar [7]3 years ago

8 0

Answer:

Step-by-step explanation:

only one angle measure 90⁰ while the other two add up to 90, making the total 180⁰

____ [38]3 years ago

7 0

Answer:

The answer is A.

Step-by-step explanation:

A right angle is always one 90 degree angle

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Solve the system of equations given . -2x+5y=-3

algol13

For this case we have the following system of equations:

$-2x + 5y = -3\\y-15 = 3x$

We multiply the second equation by -5:

$-5y + 75 = -15x$

Now we add the equations:

$-2x-5y + 5y + 75 = -3-15x\\-2x + 75 = -3-15x\\-2x + 15x = -75-3\\13x = -78\\x = \frac {-78} {13}\\x = -6$

We find the value of the variable "y":

$y = 3x + 15\\y = 3 (-6) +15\\y = -18 + 15\\y = -3$

THE solution is: (-6, -3)

Answer:

(-6, -3)

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3 years ago

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faust18 [17]

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tensa zangetsu [6.8K]

Answer:

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Step-by-step explanation:

Use the square root calculator too find it

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