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polet [3.4K]
3 years ago
14

Is 9.1 rational number

Mathematics
2 answers:
damaskus [11]3 years ago
6 0

Answer:

9.1 is a rational number.

Step-by-step explanation:

Lets understand what a rational number is. A rational number is a number that can be expressed by dividing 2 integers.

9.1 can also be expressed as \frac{91}{10}

9.1 is a rational number.

zaharov [31]3 years ago
4 0

9.1 is a rational number


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20 points! Clear answers and good descriptions!<br> Thanks! :)
balu736 [363]

Answer:

1= b

2= f

Step-by-step explanation:

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2 years ago
Which graph represents y as a function of x?
Lubov Fominskaja [6]

Answer:

A

Step-by-step explanation:

By vertical line test, if you draw any vertical line, except for A, all graph meet at more than two points. So, graph A represents y as a function of x.

5 0
3 years ago
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patriot [66]
The answer is y=1/2x-2
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3 years ago
Read 2 more answers
Put the steps in correct order to prove that if x is irrational, then 1/x is irrational using contraposition.
SOVA2 [1]

Answer:

The correct order is:

a

c

d

b

Step-by-step explanation:

First, let's write 1/x in a convenient way for us:

a) Substitute 1/x = p/q, to obtain x = 1/(1/x) = 1/(p/q) = q/p.

Now we assume that 1/x is rational (we want to prove that this implies that x will be also rational and because we know that x is irrational assuming that 1/x is rational will lead to an incongruence), then:

c. If 1/x is rational, then 1/x = p/q for some integers p and q with q ≠ 0. Observe that p is not 0 either, because 1/x is not 0.

Now we know that we can write x as a quotient of two integers, we need to imply that, then the next one is:

d) Observe that x is the quotient of two integers with the denominator nonzero.

And that is the definition of rational, then we end with:

b) Hence x is rational.

Which is what we wanted to get.

5 0
2 years ago
Find the perimeter of the figure to the nearest hundredth.​
WITCHER [35]
Perimeter: 36.84 feet

Let’s start with the easy part...all the rectangle pieces 6 x 3 = 18 feet

We know from subtracting the rectangle length (6ft) from the total length (12 ft) that the diameter of the circle is 6ft.

Circumference = diameter x pi
= 6 x 3.14 = 18.84

We have the circle split into 2 halves, but the circumference remains the same

18 + 18.84 = 36.84
6 0
2 years ago
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