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SCORPION-xisa [38]
2 years ago
10

Please help me, i don’t know how to do this:)

Mathematics
1 answer:
Reil [10]2 years ago
4 0

x=12, y=6\sqrt{2}

This triangle is a special right triangle, a 45-45-90 triangle. In this format, the the hypotenuse will be x\sqrt{2}, while the side lengths would be x. With this in mind we can already figure out y is 6\sqrt{2}. The hypotenuse would be (6\sqrt{2} )(\sqrt{2} )=12

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bogdanovich [222]

Step-by-step explanation:

Given c = longest of triange = 15m

Given b = short side of triangle = 9m

By pythagoras' Theorem,

{c}^{2}  =  {a}^{2}   +  {b}^{2}  \\  {a}^{2}  +  {b}^{2} =  {c}^{2}   \\  {a}^{2}  +  {(9)}^{2}  =  {(15)}^{2}  \\  {a}^{2}  + 81 = 225 \\  {a}^{2}  = 225 - 81 \\  {a}^{2}  = 144 \\ a =  \sqrt{144}  \\  = 12m

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5 0
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Read 2 more answers
(9x−2.25)=(1.6+9x)<br><br> help
mel-nik [20]
Begin solving like you normally would. Add 2.25 to both sides and subtract 9x from both sides to try getting all x values on one side. However, you will find that after subtracting 9x from both sides, all x values go away, and you end with -2.25=1.6. This is not true (-2.25 is not 1.6), so the answer is no solution. There is no value of x which satisfies that equation.
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