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Ivan
3 years ago
13

Is 11/12 a rational or irrational number

Mathematics
1 answer:
Reika [66]3 years ago
6 0

Answer:

Rational

Step-by-step explanation:

A rational number is any number that can be written as a ratio of integers.  11 and 12 are both integers, so 11/12 is rational.

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Is (2, 10) a solution to this system of inequalities?<br> y y &gt; 4x + 1<br> yes<br> no
velikii [3]

Answer:

yes

Step-by-step explanation:

6 0
2 years ago
On Monday 4 bricklayers took 3 hours to lay a total of 4200 bricks.
lisabon 2012 [21]
<h2>Hello!</h2>

The answer is:

It will take 4.5 hours for two bricklayers to lay a total of 3150 bricks.

<h2>Why?</h2>

From the statement, we know that on Monday, bricklayers took 3 hours to lay a total of 4200 bricks.

So, we have that the rate of the four bricklayers is given by the following equation:

Production=Rate*Time\\\\Rate=\frac{Production}{time}

Rate=\frac{4200bricks}{3hours}=\frac{1400bricks}{hour}

Therefore, we have that the rate of the four bricklayers is 1400 bricks per hour, meaning that each bricklayer can lay 350 bricks per hour.

Now, to calculate how many hours it will take to the 2 bricklayers to lay a total of 3150, we need to divide the calculated rate (for bricklayers) by two, since there are only 2 bricklayers working on Tuesday.

So, calculating the time, we have:

Production=\frac{Rate}{2}*Time

3150bricks=\frac{\frac{1400bricks}{hour}}{2}*Time

3150bricks*2*\frac{1hour}{1400bricks}=Time

6300bricks*\frac{1hour}{1400bricks}=Time

Time=4.5hours

Hence, we have that it will take 4.5 hours for two bricklayers to lay a total of 3150 bricks.

Have a nice day!

7 0
3 years ago
\dfrac {15}k
Monica [59]

Answer:

5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is m2 + m 23? Pls I need ASAP
alisha [4.7K]

Answer:

90 degrees

Step-by-step explanation:

the answer is 90 degrees because when the triangle is a right triangle, the two smaller angles equal 90 degrees.

6 0
3 years ago
Need ASAP<br><br> Evaluate h^-2 g for h = 3 and g = 27.<br><br> 9<br> 3<br> 1/3
tangare [24]

Answer:

3

Step-by-step explanation:

h^-2 g

h= 3 and g = 27

(3) ^-2 (27)

1/3^2 (27)

1/9 *27

27/9

3

5 0
3 years ago
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