2 years ago

PLZ HELP ME WITH THIS

Mathematics

1 answer:

VARVARA [1.3K]2 years ago

4 0

Answer:

-16s+40

Step-by-step explanation:

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(−t 4 −5t 3 −10t 2 )+(9t 3 +3t 2 −1)

klemol [59]

Answer:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

Step-by-step explanation:

Given the expression

$\left(-t^4\:-5t^3\:-10t^2\:\right)+\left(9t^3\:+3t^2\:-1\right)$

Remove parentheses: (a)=a

$=-t^4-5t^3-10t^2+9t^3+3t^2-1$

Group like terms

$=-t^4-5t^3+9t^3-10t^2+3t^2-1$

Add similar elements

$=-t^4-5t^3+9t^3-7t^2-1$ ∵ $-10t^2+3t^2=-7t^2$

Add similar elements

$=-t^4+4t^3-7t^2-1$ ∵ $-5t^3+9t^3=4t^3$

Thus, the equivalent expression in simplified form:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

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3 years ago

What is the mean of this set of numbers?

dezoksy [38]

The mean is -4 cause u have to add ale the numbers togeter

8 0

2 years ago

Read 2 more answers

Angie an Kenny play online video games. Angie buys 1 software package and 3 months of game play. Kenny buys 1 software package a

Sati [7]

Answer:

One month of gameplay costs $15

Step-by-step explanation:

Angie: 20 + 3x

Kenny: 20 + 2x

(20 + 3x) + (20 + 2x) = 115 --- add their costs together

(20 + 20) + (3x + 2x) = 115 --- collect like terms

40 + 5x = 115 --- simplify

5x = 75 --- subtract 40 from both sides

x = 15 --- divide both sides by 5

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2 years ago

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goblinko [34]

Answer:

The Answer is D

Step-by-step explanation:

there u go

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2 years ago

Need Help ASAP……………..

deff fn [24]

Answer:

Okay, but doesn't this bring any trouble reading?

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2 years ago