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Oduvanchick [21]
2 years ago
15

Help!!!!!!!!!!!! >>>>>Which number set contains all rational numbers?

Mathematics
1 answer:
stellarik [79]2 years ago
6 0

The only set that only has rational numbers is the first one:

{1/3, -3.45, √9}

<h3>Which of the given sets contains only rational numbers?</h3>

A rational number is a number that can be written as the quotient of two integers.

If we look at the first set, the elements are:

  • 1/3 which is a rational number.
  • -3.45 = -345/100 which is a rational number
  • √9 = 3 = 3/1 which is a rational number.

In the other sets we can see elements like:

√37, √44, or √2 which are all irrational numbers, then the only correct option is the first one.

If you want to learn more about rational numbers:

brainly.com/question/12088221

#SPJ1

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strojnjashka [21]
Range: the set of all y-values of a graph or equation.

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Domain: the set of all x-values of a graph or equation.

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Hope this helps! :)
6 0
3 years ago
Read 2 more answers
Compound interest In Exercise,$3000 is invested in an account at interest rate r,compounded continuously.Find the time required
xenn [34]

Answer:

(a) 8.15

(b) 12.92

Step-by-step explanation:

Given: P = $3000, r = 0.085

                A = Pe^{rt}

Where

A is the Amount

P is the Principal

r is the rate

t is the time

(a) For the amount to double, A = 2 × P

               A = 2 × $3000

               A = $6000

               6000 = 3000e^{0.085t}

               \frac{6000}{3000} = e^{0.085t}

               2 = e^{0.085t}

Take log_{e} of both sides

               log_{e}2 = log_{e}e^{0.085t}

But log_{e}e = 1

            ∴ ln2 = 0.085t

               t = \frac{ln2}{0.085}

               t = \frac{0.693}{0.085}

               t = 8.15

(b) For the amount to double, A = 3 × P

               A = 3 × $3000

               A = $9000

               9000 = 3000e^{0.085t}

               \frac{9000}{3000} = e^{0.085t}

               3 = e^{0.085t}

Take log_{e} of both sides

               log_{e}3 = log_{e}e^{0.085t}

But log_{e}e = 1

            ∴ ln3 = 0.085t

               t = \frac{ln3}{0.085}

               t = \frac{1.0986}{0.085}

               t = 12.92

5 0
3 years ago
Solve 3/2 x 10/3. Simplify if possible.
olga2289 [7]
Ok, for multiplication of fractions you do not need a common denominator so multiply top by top and bottom by bottom... let me know what you get 
6 0
3 years ago
Peter went to tge store and bought 8 pounds of red and green apples.if 1/4 of the apples were green,how many pounds of green app
Thepotemich [5.8K]
= 2 pounds green, 6 pounds red

1/4 of 8 is 2 (8 divided by 4)

So he bought 2 pounds of greens apples.

8-2= 6. He bought 6 pounds of red apples.
3 0
3 years ago
If a snail crawls 12 centimeters per hour, how long will it take for the snail to travel 1 meter
Pavlova-9 [17]

Answer: 8 1/3 hours or 500 minutes

Step-by-step explanation:

Keep in mind that there are 100 centimeters in a meter.

The snail moves at a pace of 12 cm/h, and needs to go 100 cm.  You can just divide 100/12 to get 8 1/3, which is how many hours (groups of 12 cm) it takes for the snail to travel 100 cm (1 meter).

If necessary, you can also multiply 8 1/3 by 60 to get the number of minutes the snail takes.  8 times 60 is 480, and 1/3 of an hour is 20, so add 480+20 to get 500 minutes.

5 0
3 years ago
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