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3 years ago

15

How far is the UFO from KA-12?

1 answer:

gtnhenbr [62]3 years ago

6 0

The distance of UFO from KA-1212 is 1229.7 km

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Which number is not a whole number ? A. 8. B. -10. C. 0. D.18/3

NARA [144]

Answer:

B. -10 its a negative number

3 0

3 years ago

Which of the following has a unit rate of

lianna [129]

Divide m (miles) by h (hours) to get your answer
85/5=17
Answer is B

7 0

3 years ago

Read 2 more answers

HELPP!! Part A: A cross section of the prism is cut with a plane parallel to the base. What is the name of the shape created by

vesna_86 [32]

A cross section is the shape you get when you cut straight through an object Like a prism so
you will get a triangle example:
In geometry it is the shape made when a solid is cut through by a plane. The cross section of a circular cylinder is a circle or a cross section of a pyramid is a rectangle. A two dimensional figure like a rectangle has two dimensions length and width. A three dimensional figure like a building has three dimensions length width and height.

5 0

4 years ago

Suppose the Tower of Hanoi rules are changed so that stones may only be transferred to an adjacent clearing in one move. Let In

Svet_ta [14]

Answer:

$l_n=3^n-1$

Step-by-step explanation:

We will prove by mathematical induction that, for every natural n,

$l_n=3^n-1$

We will prove our base case (when n=1) to be true:

Base case:

As stated in the qustion, $l_1=2=3^1-1$

Inductive hypothesis:

Given a natural n,

$l_n=3^n-1$

Now, we will assume the inductive hypothesis and then use this assumption, involving n, to prove the statement for n + 1.

Inductive step:

Let´s analyze the problem with n+1 stones. In order to move the n+1 stones from A to C we have to:

Move the first n stones from A to C ( $l_n$ moves).
Move the biggest stone from A to B (1 move).
Move the first n stones from C to A ( $l_n$ moves).
Move the biggest stone from B to C (1 move).
Move the first n stones from A to C ( $l_n$ moves).

Then,

$l_{n+1}=3l_n+2$ .

Therefore, using the inductive hypothesis,

$l_{n+1}=3l_n+2=3(3^n-1)+2=3^{n+1}-3+2=3^{n+1}-1$

With this we have proved our statement to be true for n+1.

In conlusion, for every natural n,

$l_n=3^n-1$

8 0

3 years ago

Help meh ples and thank you. :p

Sladkaya [172]

Answer:

38.465

Step-by-step explanation:

Area of circle =

$\pi \: r {}^{2}$

diameter= 7

radius is half of the diameter

Radius =7÷2 = 3.5

Area = 3.14 × 3.5 × 3.5

= 38.465 inch squared

7 0

3 years ago