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Paha777 [63]
3 years ago
7

Is the square root of 5+1/5 rational or irrational

Mathematics
1 answer:
Vikentia [17]3 years ago
7 0
The square root of 5+1/5 (5.2, 5 1/5) is rational as it has an end you can clearly see. The square root of 5.2 is 2.28035085 exactly.
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Rename 4/5 and 5/7 using the least common denominator
svlad2 [7]

Answer:

wh

Step-by-step explanation:

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3 years ago
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I have 8 3/4 cups of nuts that I want to put into 3/4 cup bags. How many 3/4 cup bags can I make
anygoal [31]

Answer:

11

Step-by-step explanation:

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6 0
3 years ago
PLS HELPPP<br> 9.58<br> 10.63<br> 11.56<br> 12.29
agasfer [191]

Answer:

10.63

Step-by-step explanation:

Pythagorean Theorem:

  • Base is 7
  • Height is 8
  • 7^2+8^2=c^2
  • 49+64=c^2
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6 0
3 years ago
Based on the question
nlexa [21]

From the given table, we have that the lateral limits of f(x) as x -> 3 are different, hence the limit of f(x) does not exist at x = 3.

<h3>What is a limit?</h3>

A limit is given by the value of function f(x) as x tends to a value. For the limit to exist, the lateral limits have to be the same, as follows:

\lim_{x \rightarrow a^-} f(x) = \lim_{x \rightarrow a^+} f(x)

In this problem, we have that:

  • To the left of x = 3, that is, for values that are less than x = 3, f(x) - > -3.
  • To the right of x = 3, that is, for values that are greater than x = 3, f(x) -> 4.

Hence the lateral limits are given as follows:

  • \lim_{x \rightarrow 3^-} f(x) = -3
  • \lim_{x \rightarrow 3^+} f(x) = 4

Since the lateral limits are different, the limit does not exist.

More can be learned about lateral limits at brainly.com/question/26270080

#SPJ1

8 0
2 years ago
A radioactive substance is decaying exponentially. If there are initially 15 grams of the substance and after 3 hours there are
sukhopar [10]

Answer:

Ok, an exponential decay is written as:

P(t) = A*(1 - r)^t

Where A is the initial population, r is the rate of decay and t is the unit of time.

We know that the initial population is 15g

then:

P(t) = 15g*(1 - r)^t

And at t = 3hs, the populations is 5g

P(5h) = 5g = 15g*(1 - r)^5

5/15 = 1/3 = (1 - r)^5

(1/3)^(1/5) = (1 - r) = 0.8

Now, the half life time of the sustance is t = x, such that the population reduces to it's half:

P(x) = A/2 = 15g/2 = 7.5g

Then:

7.5g = 15g*0.8^x

7.5g/15g = 1/2 = 0.8^x

Now, remember that if we have:

a = b^x

then

x = ln(a)/ln(b)

ln(1/2)/ln(0.8) = x = 3,11 hours

3 0
3 years ago
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