3 years ago

Which monomials are perfect cubes? Check all that apply.

Mathematics

1 answer:

Alona [7]3 years ago

7 0

Answer: second and third options

Step-by-step explanation:

You might be interested in

Help thanks!!!!!!!!!!!

Diano4ka-milaya [45]

The answer is A. All the right numbers are 22, 25, 35, 49.5, and 58. There you go.

6 0

3 years ago

Determine whether b is in the column space of A. If it is, then write b as a linear combination of the column vectors of A. (Use

mihalych1998 [28]

Answer:

b=(13/4, -27/4, -4)

Step-by-step explanation:

A.x=b

x=(a, b, c)

a - b + 2c = 2

3a + b + 0 = 3

0 + 0 + c = -4

solving this system

c=-4

a-b=10, 3a+b=3

a=10+b, 3(10+b)+b=3

b=-27/4

a=10-27/4

a=13/4

7 0

4 years ago

Simplify. 2x+7y+3x−4y please help

Mariulka [41]

Answer:

Step-by-step explanation:

$2x+7y+3x-4y\\\\\mathrm{Group\:like\:terms}\\=2x+3x+7y-4y\\\\\mathrm{Add\:similar\:elements:}\:2x+3x=5x\\=5x+7y-4y\\\\\mathrm{Add\:similar\:elements:}\:7y-4y=3y\\= 5x+3y$

8 0

3 years ago

Read 2 more answers

Hi there! Can someone help me with this, i need a proper answer, i don't need LINKS or FILES for the explanations.

WARRIOR [948]

The covered blue part ..........................

4 0

3 years ago

Read 2 more answers

When a number is decreased by 23, the result is -9. find the number

Akimi4 [234]

14
subtract 9 from 23. you get 14, 14-23=-9

8 0

3 years ago