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Fiesta28 [93]
2 years ago
7

PLEAS HELP

Mathematics
1 answer:
myrzilka [38]2 years ago
5 0

2312 FPM for 2.6 minutes

2312 x 2.6 = 6011.2

28 FPM for 2 minutes

28 x 2 = 56

6011.2 descend

55 ascend

0-6011.2 = -6011.2

ans + 56 = -5955.2

:)

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Which solid has a greater volume?
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Answer:

C

Step-by-step explanation:

The volume of a cone is given by  V=\frac{1}{3}\pi r^2h

The volume of a cylinder is given by  V=\pi r^2 h

<em>Where h is the height and r is the radius</em>

The first figure is a cone with height 6 and radius 5, we can put it into the formula and find the volume:

\frac{1}{3}\pi r^2 h\\\frac{1}{3}\pi (5)^2 (6)\\=157.08

The second figure is a cylinder with height 50 and radius 1, we can put it into the formula and find the volume:

\pi r^2 h\\\pi (1)^2 (50)\\=157.08

We can see that they are equal. So answer choice C is right.

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A grocery bag can be classified as either paper or plastic. Suppose that 85​% of grocery bags are classified as plastic. ​(a) Tw
hjlf

Answer:

a) 0.7225

b) 0.5220

c) 0.478

It is not unusual.

Step-by-step explanation:

Probability grocery bags are plastic = 85% = 0.85

a) If two grocery bags are chosen at random, the probability that both grocery bags are plastic would be:

^2C_2 (0.85)^2 (1-0.85)^0

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b) If four bags are chosen at random, the probability that all are plastic:

^4C_4 (0.85)^4 (1-0.85)^0

= (0.85)^4 = 0.5220

Probability all four bags chosen randomly are plastic bags is 0.5220

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Let's first check for the probability of getting a paper bag.

P(paper bag) = 1 - 0.85 = 0.15

Probability of getting a paper bag is 0.15

Probability that at least one of four randomly selected grocery bags is paper would be:

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= 1 - (1)(0.85)^4

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