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garik1379 [7]
3 years ago
15

Select all the numbers that are rational.

Mathematics
1 answer:
anygoal [31]3 years ago
3 0

Answers:

C, D, E

Step-by-step explanation:

A rational number is a integer. It is also a terminating or repeating decimal.

A rational number can be written as a fraction of two integers.

Answer A is not correct because it's decimal never ends. It is also not repeating. A cannot be written as a fraction.

Answer B is not correct because the square root is not a whole number, or a perfect square. The square root has a non-terminating and non-repeating decimal, just like A. B cannot be written as a fraction.

Answer C is rational because it has a terminating decimal.

D and E are integers, which also can be written as fractions.

Out of the options given, C, D, and E have rational numbers, while all others do not.

The answers are C, D, and E.

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Help with this question plz
solmaris [256]

Answer:

804.2 meters³

Step-by-step explanation:

To find the volume of a cylinder, you multiply the height by the area of the base (which is πr²), so the equation is <em>V = hπr²</em>.

We can plug in out givens: <em>V = 16*π*4²</em>. Simplifying this gives us <em>V = 256 π meters³</em> which is approximately 804.2 meters³.

4 0
3 years ago
Identify the constant in the following algebraic expression: 9 - z
sdas [7]

Answer:

9

Step-by-step explanation:

a number by itself is a constant.

6 0
2 years ago
Question 7 of 10
sergejj [24]

The product that is  undefined is known a CD, where C is a 3 x 1 matrix and D is a 1 x 2 matrix.

<h3>What is the matrix about?</h3>

Looking at the product of matrix, note that to multiply  the two matrix, the column of the first matrix needs to have the same or equal to the row of the 2nd matrix.

And in this case (propensity), it is not satisfied by the first  option because:

C =  3 x 1  and

O= 2 x 1  matrix

In this case CD is therefore undefined.

So we can say that The product that is  undefined is known a CD, where C is a 3 x 1 matrix and D is a 1 x 2 matrix.

Learn more about matrix from

brainly.com/question/94574

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6 0
1 year ago
A sum of scalar multiples of two vectors (such as au + bv, where a and b are scalars) is called a linear conbination of the vect
belka [17]

Answer:

  -4u -5v

Step-by-step explanation:

Let the sum be ...

  <3, -27> = a<3, 3> +b<-3, 3>

This resolves to two equations

  3 = 3a -3b

  -27 = 3a +3b

Adding these together, we get

  -24 = 6a

  a = -4

Substituting into the second equation gives ...

  -27 = 3(-4) +3b

  -15 = 3b

  -5 = b

The desired linear combination is ...

  <3, -27> = -4<3, 3> -5<-3, 3> = -4u -5v

6 0
3 years ago
Read 2 more answers
Which expression is equivalent to 5 square root 11^3​
AlladinOne [14]

Answer:

11^3/5

Step-by-step explanation:

The exponent of 3 becomes the numerator while the 5 in the root becomes the denominator which creates the fraction 3/5. So the final answer is 11^3/5

6 0
3 years ago
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