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alexandr1967 [171]
3 years ago
9

What is correct?

Mathematics
1 answer:
DochEvi [55]3 years ago
8 0
4 °C

i just googled it XD. source: https://www.google.com/search?q=the+density+of+water+is+maximum+at+which+temperature&oq=the+density+of+water+is+maximum+at+which+temperature&aqs=chrome..69i57.699j0j4&client=ms-android-samsung&sourceid=chrome-mobile&ie=UTF-8
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denis-greek [22]
-14/5 , -2.8 and yeah
3 0
3 years ago
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
A bank charges a monthly maintenance fee of $13 and a check writing fee of $0.07 per check. Last year, Mark wrote 289 checks fro
const2013 [10]
Assuming it was an entire year so 12 months
12 x 13 = 156
289 x 0.07 = 20.23
156 + 20.23 = $176.23
7 0
3 years ago
Type your number answer in decimal form. Do not round. 3,000 millimeters =
nadezda [96]
3,000 millimeters = 3 meters. 

So, the answer should be 3.

Hope this helps :)


7 0
2 years ago
Read 2 more answers
You accept a job with a salary of $35,600. After 6 months, you recieve a 5% raise. What is your new salary?.
dolphi86 [110]
Nothing I'm Poor :D xD
6 0
3 years ago
Read 2 more answers
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