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24.03.2020 •
Mathematics
Which right circular cylinder has the greater volume? A. The red cylinder. B. The blue cylinder. C. They have the same volume. D. There is not enough information to tell.
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Ответ:
A. The red cylinder
Step-by-step explanation:
Which cylinder has the greater volume volume of a cylinderformula:
V =![\pi r^{2} h](/tpl/images/0560/8924/aeb6d.png)
volume of the blue cylinderV =![\pi r^{2} h](/tpl/images/0560/8924/aeb6d.png)
=![\pi * 1^{2} * 6](/tpl/images/0560/8924/99d28.png)
=18.84956
to 2 dp
volume of the blue cylinder is 18.85
volume of the red cylinderV =![\pi r^{2} h](/tpl/images/0560/8924/aeb6d.png)
=![\pi * 2^{2} * 3](/tpl/images/0560/8924/6cdda.png)
= 37.69911
to 2dp
volume of the red cylinder is 37.70
the cylinder which has the greater volume is : A. The red cylinderОтвет:
Step-by-step explanation:
A positive parabola is one that has a + sign out front or no sign at all (and the positive is understood). A positive parabola opens like a cup with a bottom. Therefore, the positive parabola has a min value. A negative parabola opens upside down, like a mountain with a peak. Therefore, the negative parabola has a max value.