3 years ago

What's the volume of a block of ice measuring 3 meters long, 1.5 meters wide, and 2 meters high?

Mathematics

1 answer:

mario62 [17]3 years ago

6 0

D is the answer I thjnk

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Let FS R be a finite set. (a) Prove that F is closed (b) Prove that every point in F is an isolated point.

Lorico [155]

Answer:

a) Suppose that F is ordered in ascending order: $F = \{x_1,\ldots, x_n\}$ . Then, the complement of F can be written as

$F^c = (-\infty,x_1)\cup (x_1,x_2)\cup (x_2,x_3)\cup \cdots \cup (x_{n-1}, x_{n})\cup (x_n,+\infty)$

which is the union of a finite number of open intervals, then $F^c$ is an open set. Thus, F is a closed subset of the real numbers.

b) Take an arbitrary element of F, let us say $x_k$ . Now, choose a real number $\epsilon$ such that

$0$ there are not other element of F, because $\epsilon$ is less that the minimum distance between $x_k$ and its neighbors.

In case that $k=1$ we only consider $0$ , and if $k=n$ we only consider $0$ .

Then, all points of F are isolated.

Step-by-step explanation:

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3 years ago

If there are 15 students who don’t wear glasses, how many students are in the class?

mixer [17]

Ummmm still 15???????

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3 years ago

A girl takes 6 hours to ride 38.4 kilometers what is her speed

miss Akunina [59]

I'm not sure but i think its 6.4km per hour

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3 years ago

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Can someone help me pls

gayaneshka [121]

Answer:

i think you add them not sure...

Step-by-step explanation:

40+44+44+??

ok?

8 0

2 years ago

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Albert was paid $85 for washing

ivann1987 [24]

Answer:

$340

Step-by-step explanation:

85 x 4 = 340.

Because 85 = 1/4, 4/4 = 85 x 4 = 340

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3 years ago