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3 years ago

Pls open first to answer correctly get brainlist

Mathematics

2 answers:

KengaRu [80]3 years ago

5 0

Answer:

C AND D

Step-by-step explanation:

it is a rational and real number

omeli [17]3 years ago

3 0

Answer:

$\Large \boxed{\mathrm{\bold{C.} \ real}} \\\\ \Large \boxed{\mathrm{\bold{D.} \ rational}}$

Step-by-step explanation:

$\sf \displaystyle \frac{5}{6}=0.833333...$

The fraction is a repeating decimal. Repeating decimals are rational numbers.

A rational number is a real number.

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A two-factor study with two levels of factor A and three levels of factor B uses a separate group of n = 5 participants in each

Mashcka [7]

Answer: There are 30 participants are needed for the entire study.

Step-by-step explanation:

Since we have given that

Number of levels of factor A = 2

Number of levels of factor B = 3

Number of participants in each treatment condition = 5

So, the number of participants are needed for the entire study is given by

$2\times 3\times 5\\\\=6\times 5\\\\=30$

Hence, there are 30 participants are needed for the entire study.

7 0

3 years ago

Help please!!

Luden [163]

Answer:

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5 0

3 years ago

Can somebody please help me with this question?

USPshnik [31]

Answer: 6x^2

Step-by-step explanation:

The area of a triangle is 1/2bh

Thus, simply multiply 2x*3x = 6x^2

Hope it helps <3

5 0

3 years ago

Read 2 more answers

For 10.832, which digit is in the tenths place?

Natasha2012 [34]

It's 8...................................

5 0

3 years ago

The cone shown has a radius of 5 feet and a slant height of 12 feet. Which choice is closest to the total surface area? Use 3.14

Virty [35]

So first of all, to solve this, we need to know the formula for finding the surface area of a cone. The formula is :
$SA = \pi r(r+ \sqrt{ h^{2} + r^{2} } )$
Where SA stands for surface area, h stands for height, and r stands for radius.
In the given information, we are not told the height, but we are told the slant height.

In a cone, the slant height, the height, and the radius together form a right triangle. We can use that triangle to solve for the height
So, to find the height, we can do:

5^2+b^2 = 12^2, or 25+b^2 = 144
Therefore, b is equal to about 11

So now, we can plug all of our values into the formula
This gives us:
$SA = \pi * 5 (5+ \sqrt{ 5^{2} + 11^{2} } )$

If we solve, this gives us about 267.

Therefore the answer is 267 feet squared

Hope this helped!! :D

7 0

3 years ago

Read 2 more answers