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kompoz [17]
3 years ago
8

Please help, When do you need to approximate an irrational number with a rational value? Explain your understanding and give an

example.
Mathematics
1 answer:
disa [49]3 years ago
8 0

9514 1404 393

Answer:

  in any numerical computation; numerical values can only be rational numbers

Step-by-step explanation:

Any time a number is written down as a numerical value, it is a rational number. The numerical values we give to π or e or any root, logarithm, trig function, and polynomial solution are, of necessity, rational approximations to the true value. An "exact" value for an irrational number cannot be written down, so it must be approximated any time its numerical value is needed.

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Lei had php 150. She spend php 48 for spaghetti and Php 12. For the drinks what percent of her money was left​
musickatia [10]

Answer:

She has 60% of money left.

Step-by-step explanation:

You have to find out how much Php that Lei has left :

Php 150 - Php 48 - Php 12 = Php 90

She has a remaining of Php 90. Next, you have to find the percentage by dividing hy original amount and then, multiply by 100 :

(90/150)×100 = (3/5)×100 = 60%

7 0
3 years ago
I need help ASAP!!! Please explain how to solve the answer.
Pani-rosa [81]

Answer:

Does the answer help you?

Please choose my answer as a brainliest answer and please rate.

It take a few minutes to solve your question.

8 0
3 years ago
The weights (in pounds) of 30 preschool children are listed below. which weights are below the 25th percentile? 25 25 26 26.5 27
Leto [7]

from the first 35 through 25

6 0
3 years ago
Which of the following is the graph of the piecewise function
trapecia [35]

By analyzing the piecewise function, we conclude that the first graph is the correct one,

<h3>Which of the following is the graph of the piecewise function?</h3>

The first part of the piecewise function is:

f(x) = √(-x - 2) for x ≤ -2

This parts ends at:

f(-2) = 0

With that, we can discard the last two graphs.

Now, the second part is a rational function with a negative coefficient.

Because of that sign, when x is positive, the function tends to negative infinite near in the asymptote, while when x is negative, the function tends to positive infinite in the asymptote.

Because of that, we conclude that the correct option is the first graph.

If you want to learn more about piecewise functions:

brainly.com/question/3628123

#SPJ1

8 0
1 year ago
Simplify the expression:<br> X^2 (2x + 3)
Natasha2012 [34]

Answer:

<h2>2x^3+3x^2</h2>

Step-by-step explanation:

<h3>x^2(2x+3)</h3><h3 /><h3>=(x^2)(2x+3)</h3><h3 /><h3>=(x^2)(2x)+(x^2)(3)</h3><h3 /><h3>=2x^3+3x^2</h3>
5 0
3 years ago
Read 2 more answers
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