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11111nata11111 [884]
4 years ago
14

The hypotenuse of a 45°-45°-90° triangle measures 128 cm.

Mathematics
1 answer:
wlad13 [49]4 years ago
4 0

Answer:

64cm

Step-by-step explanation:

A squared + B squared = C squared this is the formula, c is the hypotenuse, so A+B=128

64+64+128

idk

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Step-by-step explanation:

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Answer:

\frac{dA_{s}}{dt} = -148\,\frac{km^{2}}{min}

Step-by-step explanation:

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\frac{dA_{s}}{dt} = 4\cdot [h(t)\cdot \frac{dl}{dt} + l(t)\cdot \frac{dh}{dt}] + 2\cdot l(t)\cdot \frac{dl}{dt}

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The rate of change is:

\frac{dA_{s}}{dt} = 4\cdot [(9\,km)\cdot (-7\,\frac{km}{min} )+(4\,km)\cdot (10\,\frac{km}{min} )] + 2\cdot (4\,km)\cdot (-7\,\frac{km}{min} )

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