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Tanzania [10]
3 years ago
11

Is 3π/9 irrational or rational​

Mathematics
1 answer:
iren2701 [21]3 years ago
6 0

Answer:

irrational

Step-by-step explanation:

Since π is an irrational number, it would make 3π/9 an irrational number too since multiplying or dividing by pi makes the answer an irrational number.

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Aleonysh [2.5K]
I will determine the log base 2 of x for the x-values in the set {1, 2, 4, 8, 16}.

I will use these properties:

log base m of m^n = n,

Which written with the math editor is:

<span>log_{m}m^n=n

1) x = 1

1 = 2^0 =>

      log_{2}1=log_{2}2^0=0

2) x = 2

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6) Now you can plot the points on the graph. The points that you have to plot are:

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8 0
4 years ago
The total percent daily value of iron for one day is 100 percent. A serving of baked beans gives you 25 percent of the total. Wh
madam [21]

Answer:

%75

Step-by-step explanation:

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6 0
3 years ago
(2x - y=2<br> (2x - 2y=4
Olegator [25]

2x-y=2--------------(i)

2x-2y=4------------(ii)

Multiplying eqn i by 2 and subtracting with ii

4x-2y=4

2x-2y=4

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4 0
3 years ago
Read 2 more answers
Cant find the answer
dedylja [7]

Answer:

Carter family = 25 hours

Davis family = 31 hours

Step-by-step explanation:

Let's say the number of hours the Carter family used their sprinkler is x and the number of hours the Davis family used their sprinkler for is y.

So combined:

x + y = 45 hours

and we are also told that:

40x + 15y = 1300 L

So we can do simultaneous equations to solve the problem.

With some rearranging, we can figure out that:

y= 45 - x

and by substituting that into the second equation:

40x + 15 (45 -x) = 40x + 675 - 15x = 1300L

25x = 1300 - 675

25x = 625

x = 25 = hours that the Carter family used their sprinkler

and we can substitute that back into the original equation to find how many hours the Davis family used their sprinkler so:

25 + y = 56

y = 31

The Davis family used their sprinkler for 31 hours whilst the Carter family used their sprinkler for 25 hours.

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2 years ago
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