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Xelga [282]
3 years ago
15

-6+x/x^4 limit at x →0

Mathematics
1 answer:
Jlenok [28]3 years ago
7 0

Answer:

not existing

Step-by-step explanation:

\frac{ - 6 + x}{ {x}^{4} }

lim x goes to 0 is

\frac{ - 6 + 0}{ {0}^{4} }  =   \frac{ - 6}{0}

so not exist

I'm not sure if u mean that or this

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Communicate Mathematical Ideas Irrational numbers can never be precisely represented in decimal form. Why is this? 20 Unit1
kiruha [24]

Answer:

An irrational number can never be represented precisely in decimal form.

Step-by-step explanation:

<em>A number can be precisely represented in decimal form if you can give a rule for the construction of its decimal part,</em>

for example:

2.246973973973973... (an infinite tail of 973's repeated over and over)

7.35 (a tail of zeroes)

If this the case, then the number is a RATIONAL NUMBER, i.e, the QUOTIENT OF TWO INTEGERS.

Let's show this for the first example and then a way to show the general situation will arise naturally.

Suppose N = 2.246973973973...

You can always multiply by a suitable power of 10 until you get a number with only the repeated chain in the tail

for example:

1) N.10^3=2246.973973973...

but also

2) N.10^6=2246973.973973...

Subtracting 1) from 2) we get

N.10^6-N.10^3=2246973.973973973... - 2246.973973973...

Now, the infinite tail disappears

N.10^6-N.10^3=2246973 - 2246=226747

But  

N.10^6-N.10^3=N.(10^6-10^3)=N.(1000000-1000)=999000.N

We have then

999000.N=226747

and

N=\frac{226747}{999000}

We do not need to simplify this fraction, because we only wanted to show that N is a quotient of two integers.

We arrive then to the following conclusion:

If an irrational number could be represented precisely in decimal form, then it would have to be the quotient  of two integers, which is a contradiction.

So, an irrational number can never be represented precisely in decimal form.

6 0
3 years ago
Someone KEEPS answering my questions and THERE ANSWERS ARE RIGHT. AHH HOW? srlt2 you smart. Anyways does anyone wanna help me
vekshin1

Answer:

lol, hello again!

SA = 456 cm²

Step-by-step explanation:

small rectangle SA: 6*4 + 6*8 + 6*4 + 6*8 + 4*8 = 176

large rectangle SA: 2*14 + 2*8 + 2*14 + 2*8 + 8*14 + (8*14 - 8*4) = 280

Total SA = 176 + 280 = 456

7 0
3 years ago
Help with #12, 13, 14, 15! I will mark u as brainliest answer
son4ous [18]
12) LCM of 2 & 12 is 12 
Answer: (F)

13) (25 x 8) x 4
Step 1: Order of operations do parenthesis first: (25 x 8) = 200
Step 2: Multiply: 200 x 4 = 800
Answer: 800

14) I would plug each value in to see which works
D) 10x + 5y = 10(6) + 5(9) = 60 + 45 = 105

Answer is (D)

15) 2 x 12 - 8 (divided by) 2^2
Exponent first: 2 x 12 - 8 divided by 4
Multiplication/ Division: 2 x 12 = 24 and -8 divided by 4 = -2
Add/Subtract: 24 - 2 = 22

Answer: (I)


7 0
3 years ago
Using the distance formula, d = √(x2 - x1)2 + (y2 - y1)2, what is the distance between point (-10, 12) and point (5, 3) rounded
Whitepunk [10]

Answer:

<h3>The answer is 17.5 units</h3>

Step-by-step explanation:

Using the distance formula

<h3>d =  \sqrt{ ({x2 - x1})^{2} +  ({y2 - y1})^{2}  }</h3>

the distance between (-10, 12) and (5, 3) is

<h3>d =  \sqrt{ ({5 + 10})^{2}  +  ({3 - 12})^{2} }</h3><h3>d =  \sqrt{ {15}^{2}  + ( { - 9})^{2} }</h3><h3>d =  \sqrt{225 + 81}</h3><h3>d =  \sqrt{306}</h3><h3>d = 3 \sqrt{34}</h3>

d = 17.492855

We have the final answer as

<h3>d = 17.5 units to the nearest tenth</h3>

Hope this helps you

4 0
3 years ago
Read 2 more answers
Factorise 16 x²+ 4 y² + 9 z²​
Dominik [7]

Answer:

The expression is not factorable with rational numbers.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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