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3 years ago

Which expressions are equivalent to k/2

Mathematics

2 answers:

nikklg [1K]3 years ago

8 0

Answer: C: 1/2 k and D: k•|•2

I just did it and I got it correct

SCORPION-xisa [38]3 years ago

5 0

Your answer is e because that is adding a number by itself is the same as multiplying it by 2

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The stairway shown is made of solid concrete. The height of each step is 8 inches (in.) and the width is 15 inches. The length i

expeople1 [14]

If you’re trying to find the area of the step:

A=lwh
A=20•15•8
A=2,400 cubic inches
or 2,400 in ²

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3 years ago

What is the volume of a cube with 1/3 in sides

Dimas [21]

Answer:

V equal a3

Step-by-step explanation:

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4 years ago

Pls help me can't figure it out pls someone help me

rusak2 [61]

Did you ever find the answer?

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3 years ago

PLEASE HELP WILL GIVE BRAINLIEST! What is the following sum? Assume x > or equal to 0 and y is > or equal to 0.

Ira Lisetskai [31]

Answer:

Option (b) is correct.

The sum of given expression $\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}$ is $2xy\sqrt{y}+2xy^2\sqrt{x}$

Step-by-step explanation:

Given:Expression $\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}$

We have to find the sum of the given expression and choose the correct from the given options.

Consider the given expression $\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}$ .

$\sqrt{x^2y^3}$ can be written as $\sqrt{x^2y^2y}=xy\sqrt{y}$

Also, $2\sqrt{x^3y^4}$ can be written as $2\sqrt{x^3y^4}=2\sqrt{x^2x(y^2)^2}=2xy^2\sqrt{x}$

Now, the given expression becomes,

$\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}$

$=xy\sqrt{y}+2xy^2\sqrt{x}+xy\sqrt{y}$ .

Now, adding like term, terms having same variable with same degree.

$=2xy\sqrt{y}+2xy^2\sqrt{x}$ .

Thus, The sum of given expression $\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}$ is $2xy\sqrt{y}+2xy^2\sqrt{x}$

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3 years ago

I don't really know how to do this can someone help

crimeas [40]

Step-by-step explanation:

Add them all up and subtract from 360.

Answer: 71

I think this is right

hope this helps :)

4 0

3 years ago