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jok3333 [9.3K]
3 years ago
12

Is 13 a rational number?

Mathematics
2 answers:
Basile [38]3 years ago
7 0

Answer:

13 is a rational number

Explanation:

A rational number is any number that can be written as a simple fraction. Since 13 is a whole number and is not a repeating decimal, it's a rational number.

morpeh [17]3 years ago
4 0

Answer:

No, it is not a rational number

Step-by-step explanation:

A rational number is a number expressed as a fraction.

Hope This Helps :)

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I need the answer for this question.
Grace [21]
If the whole angle (ABC) is equal to 133, we can add angles ABD and DBC to find x.

10x+13=133
Subtract 13 from both sides to get
10x=120
Divide both sides by 10 to get that x=12

We can now plug the value of x into ABD to find its measure.
7(12)+4
Simplifies to 84+4, which is 88

So angle ABD is equal to 88 degrees.

:)
8 0
3 years ago
How do I find probability? Explain please!!
Lady_Fox [76]
Probability is the ratio of the times an event is likely to occur divided by the total possible events. In the case of our die, there are six possible events, and there is one likely event for each number with each roll, or 1/6. Probability is simply how likely something is to happen. Whenever we're unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they are. The analysis of events governed by probability is called statistics.
5 0
3 years ago
...
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

y-3 = 3(x+1)

7 0
3 years ago
Read 2 more answers
Find x.
Vadim26 [7]

The value of x is 28 millimeters in the composite figure of two right-angled triangles lying next to each other

<h3>What is a composite figure?</h3>

A composite figure is a figure that is produced from the combination of two geometric shapes together.

The diagrammatic expression of a composite figure consists of two right-angled triangles lying next to each other can be seen in the image attached below.

For the left-side right-angled triangle, we have:

13² = h² + 5²

h² = 13² - 5²

h = √(169-25)

h = 12

Recall from the diagram that:

h² = pq

  • If p = 5 and q = x

∴

12² = 5x

x = 144/5

x ≅ 28 millimeters

Learn more about composite figures here:

brainly.com/question/15981553

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8 0
3 years ago
Consider the equation -5\cdot e^{10t}=-30−5⋅e
yulyashka [42]

The approximate equation is n = (ln 6)/10 and approximate value is n = 0.179.

<h3>What is Exponential equation?</h3>

In mathematics, an exponential function is a function of form f (x) = aˣ, where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0.

Here, given equation; (we are using n in place of t)

          -5.e¹⁰ⁿ = -30

      On dividing -5 both sides, we get

           -5.e¹⁰ⁿ/-5 = -30/-5

                e¹⁰ⁿ  = 6

 Taking 'ln' on both side, we get

             10n = ln 6

              n = (ln 6)/10

              n = 1.791759/10

              n = 0.179

Thus, the approximate equation is n = (ln 6)/10 and approximate value is n = 0.179.

Learn more about exponential function from:

brainly.com/question/14355665

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4 0
3 years ago
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