3 years ago

What adds to be 10 and multiplies to be 24

Mathematics

1 answer:

svet-max [94.6K]3 years ago

6 0

Let x and y be the 2 numbers

x + y = 10
x*y = 24
------------

4 and 6

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Recently, the Dow opened at 26,428 ad closed at 26,340. what was the change in the Dow for the day?

IRISSAK [1]

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88.

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5 0

3 years ago

38. What is the surface area of a conical grain storage tank that has a height of 62 meters and a diameter of 24 meters? Round t

svetoff [14.1K]

1. The surface area of a cone S is S= $\pi r^{2}+ \pi rl$ , where r is the radius of the base and l is the slant height.

2. The slant height l is found as follows:

$l^{2}= OC^{2}+ OB^{2}$
$l^{2}= 12^{2}+ 62^{2}=144+3844=3988$

$l= \sqrt{3988}=63.15$

3.

$A=\pi r^{2}+ \pi rl=3.14(12)^{2}+3.14*12*63.15
$
$= 452.16+2379.492 =2831.652 ( m^{2} )$

$= 452.16+2379.492 =2831.652 ( m^{2} )$

4. The answer is C