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natta225 [31]
2 years ago
14

Which expression is a sum of cubes?

Mathematics
2 answers:
luda_lava [24]2 years ago
5 0
   
-27x^9+y^6 = (-3)^3\times \Big(x^3\Big)^3 + \Big(y^2\Big)^3=\boxed{\Big(-3x^3\Big)^3+\Big(y^2\Big)^3}



alex41 [277]2 years ago
3 0

Answer:

Option (3) is correct.

-27x^9+y^6 is the expression written as the sum of cubes as

(-3x^3)^3+(y^2)^3

Step-by-step explanation:

<u>Sum of cubes</u> : is defined as  a^3+b^3

We have to choose a sum of cubes from given expressions,

Consider -27x^9+y^6

Here  -27x^9 can be written as (-3x^3)^3

and y^6 can be written as (y^2)^3

Thus, -27x^9+y^6=(-3x^3)^3+(y^2)^3

Hence, -27x^9+y^6 is the expression written as the sum of cubes as (-3x^3)^3+(y^2)^3

Thus, option (3) is correct.

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At the movie theater child admission is $5.20 and adult admission is $9.90.. On Friday 163 tickets were sold for a total sales o
Jet001 [13]

The number of tickets sold on Friday were 66 children tickets and 97 adult tickets.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent the number of children and y represent the number of adult, hence:

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From both equations:

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1 year ago
Pls help me
Mashutka [201]

Answer:

A is the answer because...

Step-by-step explanation:

Let's narrow it down, so it is not D because 8/2=4 but 64/4=16, so already they don't share a slope. It is not B because the numbers don't work together like they should, since we are trying to prove proportionality. It is not C because we are not trying to square the numbers but find a similarity between the numbers, the same slope I mean. So that leaves A which has  the slope of 2, test it out now. 0 and 0 are the same, 4/2=2, 8/4=2, 12/6=2. So now you know that A is the correct answer.

Hope you understand! :)

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Please help me on this
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Answer:

1. 8

2. 11

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4. 17

Step-by-step explanation:

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