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Leto [7]
3 years ago
6

What is the product (y+3)(y^2-3y+9)

Mathematics
1 answer:
shutvik [7]3 years ago
8 0

Answer:

y^3 + 3^3

Step-by-step explanation:

1) Multiply each term of (y^2-3y+9) by y:  y^3 - 3y^2 + 9y

2) Multiply each term of (y^2-3y+9) by 3:  3y^2 - 9y + 27

3) Add all of these terms together:  y^3 + 27 = y^3 + 3^3

Note:  this is an example of 'special products and factoring.'

You might be interested in
A company has two large computers. The slower computer can send all the company's email in 60 minutes. The faster computer can c
Lelu [443]

Answer:

If both computers are working together, it will take 24 minutes to do the job

Step-by-step explanation:

It is given that,

There are two computers.The slower computer can send all the company's email in 60 minutes.

The faster computer can complete the same job in 40 minutes

<u>To find the LCM of 40 and 60</u>

LCM (40, 60) = 120

<u>To find efficiency of 2 computers</u>

Let x be the efficiency of faster computer and y be the efficiency of faster computer

x = 120/40 = 3

y = 120/60 = 2

then, x + y = 3 + 2 = 5

Therefore efficiency of both the computer work together = x + y =5

<u>To find the time taken to work both the computer together</u>

time = 120/5 = 24 minutes

4 0
4 years ago
The prices and sizes of popcorn sold at local theaters are shown in the table. Popcorn Prices and Sizes at Different Theaters Ou
sp2606 [1]

Answer:

It would be A.

Step-by-step explanation:

I took the test and also You divide all of them to see what one has the least. The one that has the least is the one you choose.

6 0
3 years ago
Read 2 more answers
Which system of inequalities is shown in the graph?
wolverine [178]

Answer:

A. y≤-x+3

   y≤ x²-3x

Step-by-step explanation:

Both inequality shadings of the graphs are below the solid lines, which means that y is less than or equal to both of them.

8 0
3 years ago
How many solution does following equtitions have 7x+21=21
Kaylis [27]

One solution.

7x + 21 = 21 \\ 7x = 21 - 21 \\ 7x = 0 \\ x = 0

If we can solve for the value of x. Then the solution would be one only for system of linear equations.

For your information, When the equation is true or rather say that both sides are the same, the solution will be infinite.

When the equation is false or rather say that both sides have different number or value then there won't be any solutions.

8 0
3 years ago
How do I do this problem
Vilka [71]
Do you mean 7?

You need to multiply each like term differently ( 1. Coefficient, 2. M term, 3. N term, and 4. O term)

1. The coefficients are 4 and 7, and as you have already solved, that equals to 28.

2. The m terms are (m • m) because there is one m in (4mno) and one m in (mn). m • m would equal to m^2.

3. The n terms are (n • n^2 •n) because there is one n in (4mno), n^2 in (7n^2o^2), and one n in (mn). They would equal n^4.

4. The o term would stay as o^2 as there are not other o terms.

To piece it all together, your answer would be 28m^2n^4o^2, or 28 • m ^2 • n^4 • o^2.
7 0
3 years ago
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