3 years ago

Simplify the following: (4x^3+2x) + (8x^3 -5x + 4)

Mathematics

1 answer:

AveGali [126]3 years ago

7 0

Answer:

12x^3 - 3x + 4

Im 100% percent sure and if you are kind enough, I’d love a BRAINLIEST :)

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vesna_86 [32]

Answer: 1st one

Step-by-step explanation:

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3 years ago

What multiplies to be 42 and adds to be 23?

Furkat [3]

A) x * y = 42 (or x = 42/y)
B) x + y = 23

B) 42/y + y = 23
42 + y^2 = 23y
y^2 -23y + 42 = 0

The numbers are 21 and 2

7 0

3 years ago

PLS ANSWER ASAPThe function f(x) = 4x + 10 models the amount of money Francis makes

Andrei [34K]

Answer:

A 18

Step-by-step explanation:

f(x) = 4x + 10

f(2) = 4(2) + 10

f(2) = 8 + 10

f(2) = 18

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3 years ago

In order to join an online learning community, there is a $80 startup fee and a $15 monthly fee.

pentagon [3]

Answer:

thats alot o money just for something thats not useful

Step-by-step explanation:

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3 years ago

The dimensions of the nations smallest post office are 8 ft 4 in x 7 ft 3 in. Why would you use the measurement 8 ft 4 in. inste

allsm [11]

Answer:

The explanation in the procedure

Step-by-step explanation:

we know that

$1\ ft=12\ in$

In this problem is correct to use the measurement $8\ ft\ 4\ in$ instead of $7\ ft\ 16\ in$

because

$16\ in=12\ in+4\ in=1\ ft+4\ in$

therefore

$7\ ft\ 16\ in=7\ ft\ +1\ ft+4\ in=8\ ft\ 4\ in$

4 0

3 years ago