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daser333 [38]
3 years ago
12

Add the following polynomials then place the answer in the proper location 2x^3+4x-6 3x^3-8x+7​

Mathematics
1 answer:
vovangra [49]3 years ago
7 0

Answer:

5x^3 - 4x + 1

Step-by-step explanation:

To add the polynomials, combine like terms which ha the same variable and exponent.

2x^3 + 4x - 6 + 3x^3 - 8x + 7

2x^3 + 3x^3 = 5x^3

4x - 8x = -4x

-6 + 7 = 1

So it adds to 5x^3 - 4x + 1

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PlsSSS answer this is due at 11 am today and i dont know
Yuri [45]

Answer:

where is the question???..............

8 0
3 years ago
X/7 = -3<br> 1. x = -21<br> 2. x = -10<br> 3. x = 4<br> 4. x = 21
SOVA2 [1]
X/7= -3
X= -21

Hope this helps!
5 0
3 years ago
I know the answer is right but it said it’s wrong. Can I get a second answer to make sure? Thank you so much!
ad-work [718]

Answer:

   70.3 ft

Step-by-step explanation:

The ratio of the adjacent side (33 or KM) to the hypotenuse (X or KL) is the cosine of the angle:

  cos(62°) = 33/KL

Multiplying by KL/cos(62°) gives ...

  KL = 33/cos(62°) ≈ 33/0.4694 ≈ 70.292 ≈ 70.3

The length of KL is about 70.3 feet.

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Make sure your calculator is in degrees mode.

6 0
3 years ago
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Ymorist [56]

Answer:

C

Step-by-step explanation:

You distribute the 11 with the numbers in the parenthesis

5 0
3 years ago
Read 2 more answers
Solve the equation for y.<br> 8x – 9y = 11
pav-90 [236]
8x-9y=11

First you move the 8x because you have to leave the 9y alone

8x-9y=11
-8x        -8x

-9y=11-8x

Now you have to move the -9, so the inverse of multiplying is dividing so you divide -9.

-9y/-9= 11/-9 -8x/-9

since you can't have negative as a denominator it would be:

y= -11/9+8x/9

<span>You have to change the signs</span>
3 0
3 years ago
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