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TEA [102]
3 years ago
8

(a^3+14a^2+33a-20)\(a+4)

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
8 0
Perhaps you meant   <span>(a^3+14a^2+33a-20)   /   (a+4), for division by (a+4).  

Do you know synthetic division?  If so, that'd be a great way to accomplish this division.  Assume that (a+4) is a factor of </span>a^3+14a^2+33a-20; then assume that -4 is the corresponding root of a^3+14a^2+33a-20.

Perform synth. div.  If there is no remainder, then you'll know that (a+4) is a factor and will also have the quoitient.

-4  /   1   14   33   -20
     ___    -4_-40    28___________
          1   10   -7       8

Here the remainder is not zero; it's 8.  However, we now know that the quotient is 1a^2 + 10a - 7 with a remainder of 8.
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Ben has a box of marbles. 30 of the marbles are red, 14 are green and 16 are blue. Ben randomly selects a marble from the box, r
jasenka [17]

Answer:

he will select about 5 blue marbles

Step-by-step explanation:

3 0
2 years ago
An equal number of juniors and seniors are trying out for six spots in this year's decathlon
il63 [147K]

There are 50 different possible debating teams that could be selected as obtained using COMBINATION.

Since there are EQUAL number of juniors and seniors ;

Then we have 5 of each.

Here, the order of arrangement DOES NOT matter, Hence, we use COMBINATION

since the team MUST contain 4 SENIORS and 2 JUNIORS

4 Seniors from 5  = 5C4 = 5

2 Juniors from 5 = 5C2 = 10

Hence, (5C4 * 5C2) = 5 * 10 = 50

Hence, there are 50 different possible debating teams that could be selected.

Learn more :

brainly.com/question/8018593

7 0
2 years ago
For an individual
NikAS [45]
It’s b because you are just moving the decimal over one
5 0
2 years ago
Subtract the problem below.
nikitadnepr [17]

Answer:

C. 3x^2 -13x + 7

Step-by-step explanation:

Lets start in the ones place:

   

    +3

 - (-4)

_______

    +7

Now go to the tens place:

   

   -5x

  -(8x)

________

  -13x

Lastly, go to the hundreds place:

   6x^2

  -(3x^2)

_________

   3x^2

So, the correct answer is "3x^2 -13x + 7", which is C.

I hope this helps! :)

 

7 0
3 years ago
Read 2 more answers
6. At the beginning of school, Julie bought one 3-subject notebook and four single-subject notebooks
larisa [96]

Answer: 3-subject notebook cost $0.67 or 67 cents and the single-notebook cost  $0.33 or 33 cents.

Step-by-step explanation:

Let's represent the 3-subject notebook by y and the single-notebook by x.

y has to cost twice as much as x and we can represent that by the equation

y = 2x  

We now know that the total cost of the 3-subject notebook and the single-subject notebook has to equal  $1.

We can also represent that by the equation and solve for x

2x + x = 1  

3x = 1

x = 0.33   $0.33 or 33 cents  

If the single-subject is $33 cents then subtract it from a dollar to see how much the 3-subject notebook costed.

1- 0.33 = 0.67

3 0
3 years ago
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