MATHEMATICS HIGH SCHOOL

What is 64x6 + 27 written as a sum of cubes?(4x)3 + 33
(4x2)3 + 33
(4x2)3 + 93
(4x3)3 + 33

Answers

Answer 1

Answer: 64x^6 + 27

sum of cubes:
64 = ∛64 = 4
x^6 = (x²)³
27 = ∛27 = 3

(4x²)³ + 3³ 2nd option

Answer 2

Answer:

option B

Step-by-step explanation:

edge 2023

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What is the difference of the polynomials? (m^2n^2-7)-(mn+4)Answer choices
mn – 11
mn + 3
m^2n^2-mn-11
m^2n^2-mn-3

Answers

Answer: The difference is,

$m^2n^2-mn-11$

Step-by-step explanation:

Given expression is,

$(m^2n^2-7)-(mn+4)$

By distributive property,

$m^2n^2-7-mn-4$

Combine like terms( that have the same variables and powers ),

$m^2n^2-mn-11$

Which is the required result.

Hence, option third is correct.

Answer:

Step-by-step explanation:

Edge 2021

The measurement of a rectangular dam are:length =60-2x width=2x depth=x/2 determine the volume of the damin terms of x

Answers

Volume of this rectangular dam=lenght x width x depth
Data:
lenght=60-2x
width=2x
depth=x/2

V(x)=(60-2x)(2x)(x/2)
v(x)=(120x²-4x³)/2
v(x)=60x²-2x³

The volume of the rectangular dam is V(x)=60x²-2x³

Find the value of the variables for each set or similar figures

Answers

Answer:

Step-by-step explanation:

You have $44 to spend at the music store. Each cassette tape costs $10 and each CD costs $12. Write a linear inequality that represents this situation. Let x represent the number of tapes and y the number of CDs

Answers

10x + 12y <44 is the answer

Answer:

12x + 10y ≤ 44

Step-by-step explanation:

They missed the dash but here u go guys!Good luck!

An object is thrown upward at a speed of 121 feet per second by a machine from a height of 8 feet off the ground. The height h of the object after t seconds can be found using the equation h = -16t^2+121 t+8 When will the height be 17 feet?

When will the object reach the ground?

Answers

17=-16t^2+121t+8
16t^2-121t+9=0
this is a quadratic.
it solves to 7.487seconds and 0.075 seconds.

0=-16t^2+121t+8
16t^2-121t-8=0
this solves to 7.628 and -0.066. obviously the time cant be negative so the only real answer is 7.628 seconds

Is y=2x+5 a function?