2 years ago

Simplify the equation and show work!!!!

Mathematics

1 answer:

snow_tiger [21]2 years ago

4 0

Step-by-step explanation:

This is the correct answer.

Even according to calculator and working.

So not quite sure why those options are incorrect?

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Which equations represent the line that is parallel to 3x – 4y = 7 and passes through the point (-4,-2)? Select two

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Answer:

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3 years ago

A beaker is completely filled with water

Tju [1.3M]

Answer:6.3 in.

Step-by-step explanation:

Given

Radius of sphere $r=4\ cm$

When ball is immersed in beaker, it causes the water to flowout of beaker which is collected in the conical vessel

Such that amount of water equivalent to sphere volume is collected in it.

volume of ball

$V_s=\frac{4\pi }{3}r^3$

$V_s=\frac{4\pi }{3}\times 4^3$

$V_s=\frac{256\pi }{3}\ cm^3$

Now volume of water collected is in shape of cone then volume of cone

$V_c=\frac{\pi }{3}r^2h$

and $V_s=V_c$

$\frac{256\pi }{3}=\frac{\pi }{3}(4)^2\times h\ quad [\text{h=height of cone formed}]$

$h=4^2=16\ cm\approx 6.29\approx 6.3\ in.$

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3 years ago