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Vitek1552 [10]
2 years ago
9

Which one of these is a rational number

Mathematics
2 answers:
alekssr [168]2 years ago
8 0
D is the ans. Square root of 49 equals to 7
Andrej [43]2 years ago
4 0

Answer: D. square root of 49

Step-by-step explanation: D. square root of 49=7

A rational number is either a whole number, or one that has repeating numbers/pattern behind the decimal, For example: <u>4.13333333333</u> is rational, because the numbers repeat, it goes on forever with a sequence. If it was irrational then it wouldn't repeat in a (pattern), after the decimal, For example: <u>4.920581765</u>, it will just go on with random numbers all over the place.

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Mercedes bought 2 1/2 pounds of blueberries and her son ate 1/4 the blueberries how many pounds of blueberries Are left?
iragen [17]
So all you do is you divide 2 1/2 by .25 and you get 10 then you know one fourth or 25% of that package is 10 berries so the rest or 30% left over is 30 berries. 
8 0
3 years ago
Someone help? Plz I will give u more points
Rina8888 [55]

Answer:

4.255 ft²

Step-by-step explanation:

the area of the figure =

(2.25 × 1.5)+(1/8 ×3.14× 1.5²)

= 3.375 + 0.88

= 4.255 ft²

6 0
2 years ago
How would you describe the shape of the normal distribution?
RUDIKE [14]

The shape of the normal distribution is bell shape and it is also symmetrical from the left and right sides about the origins (mean).

What is a normal distribution?

A normal distribution is a function on some random variables, which represent the set of all those random variables in a symmetrical bell shape about the mean value.

It shows that the probability of occurrence of some data which is distributed over a function is more at or around the mean.

It is also known as probability distribution curve.

The normal distribution has two parameters:

  • Mean
  • Standard deviation

What is the shape of the normal distribution?

The normal distribution curve is at it's peak at the mean value. This shows that the probability of occurrence of the data or value is more concentrated or distributed about the mean. It is also symmetric about the mean. As we more further from the mean, we see that the normal distribution curve gradually decreases showing that the probability of occurrence of the data or the values decreases. The shape that this curve forms is like a bell-shaped. So the shape of normal distribution is bell shape.

Hence, the shape of the normal distribution is bell shape and it is also symmetrical from the left and right sides about the origins (mean).

Know more about "normal distribution" here: brainly.com/question/15103234

#SPJ4

5 0
1 year ago
What is the answer in simplest term?
Burka [1]

Answer:

3*sqrt(3x)

--------------

2x

Step-by-step explanation:

To rationalize the denominator, we need to get rid of the square root.  We need to multiply by sqrt(12x)/sqrt(12x)

9              sqrt(12x)

----------  * -----------

sqrt(12x)      sqrt(12x)

9sqrt(12x)

-----------------

12x

We can cancel  3 in the top and bottom

3sqrt(12x)

---------------

4x

We also notice that 12 is made up of 4 and 3

3sqrt(4) sqrt(3x)

---------------

4x

3sqrt(4) sqrt(3x)

----------------------

4x

3*2sqrt(3x)

--------------

4x

We can cancel a 2 in the top and bottom

3*sqrt(3x)

--------------

2x

8 0
3 years ago
Read 2 more answers
How did u get 4/3. Because I’m confused
Svet_ta [14]
What’s the original question and I can help!
5 0
3 years ago
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