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3 years ago

Simplify the expression. a4b3 + 8a4b3=??? PLEASE HELP??! ASAP!!?

Mathematics

2 answers:

sergeinik [125]3 years ago

5 0

Answer:

9 $a^{4}$ b³

Step-by-step explanation:

The 2 terms are like terms and can be combined, that is

$a^{4}$ b³ ( 1 + 8)

= 9 $a^{4}$ b³

Svetlanka [38]3 years ago

5 0

Answer:

9a^4b^3

Step-by-step explanation:

a^4b^3 + 8a^4b^3

These are like terms so we can add them together

Factor out a^4b^3

a^4b^3( 1+8)

a^4b^3 (9)

9a^4b^3

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3 years ago

As with simple linear regression, we desire the residuals to (select all that apply) have large variance. have constant variance

dimulka [17.4K]

As with simple linear regression, we desire the residuals to:

Have constant variance.
Have a mean close to 0.

<h3>What is a simple linear regression?</h3>

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2 years ago

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Step-by-step explanation:

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2 years ago

1.A cube has side lengths of 15 inches, what is the surface area and volume of the cube? 2. A cube has side lengths of 8 inches,

omeli [17]

Answer:

Cube 1: 3375 cubed inches, 1350 inches squared.

Cube 2: 512 cubed inches, 384 inches squared.

Step-by-step explanation:

Formula for Volume of a Cube: $V=s^3\\$ (s - side length)

Formula for Surface Area of a Cube: $SA=6s^2$ (s- side length)

The side length's 15 inches.

Find the volume:

$V=15^3\\\rightarrow 15*15*15=3375\\\boxed {V=3375}$

The volume of cube one is 3375in³.

Find the surface area:

$SA=6(15)^2\\\rightarrow 15^2 = 225\\SA = 6 * 225\\\boxed {SA=1350}$

The surface area of cube 1 is 1350in².

The side length's 8 inches.

Find the volume:

$V=8^3\\\rightarrow 8*8*8= 512\\\boxed {V=512}$

The volume of cube two is 512in³.

Find the surface area:

$SA=6(8)^2\\\rightarrow 8^2=64\\SA=6*64\\\boxed {SA=384}$

The surface area of cube 2 is 384in².

<em>Brainilest Appreciated. </em>

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3 years ago

(2a^-2)(3a^3b^2)(c^-2)

aalyn [17]

Answer:

Step-by-step explanation:

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3 years ago