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3 years ago

7

Need help on this one please

1 answer:

Archy [21]3 years ago

3 0

The answer is A because there are only acute angles

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3 years ago

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Serggg [28]

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2 years ago

Perform the indicated operation and write the answer in the form a + bi. (–1 + 5i) + (3 + 7i)

pashok25 [27]

Answer:

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Step-by-step explanation:

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~

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3 years ago

the volume of hemisphere is 1527.4cm^3.find the radius of the hemisphere to the nearest whole whole number.(take π to be 22/7)

skelet666 [1.2K]

Answer:

radius of the hemisphere = 9 cm approx

Step-by-step explanation:

Volume of hemisphere = $\frac{2}{3} \pi r^{3}$

1527.4 = $\frac{2}{3} * \frac{22}{7} * r^{3}$

$\frac{7*15274*3}{2*22*10}$ = $r^{3}$

$\frac{320754}{440}$ = $r^{3}$

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r = $\sqrt[3]{729}$

r = 9 cm approx.

6 0

3 years ago