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Montano1993 [528]
3 years ago
15

What is the product? 2y/y-3 x 4y-12/2y+6

Mathematics
2 answers:
Sphinxa [80]3 years ago
8 0

Answer: The product of the above polynomials will be

\frac{4y}{y+3}

Step-by-step explanation:

Since we have given that

\frac{2y}{y-3}\times \frac{4y-12}{2y+6}

We need to solve the product of two polynomials :

\frac{2y}{y-3}\times \frac{4y-12}{2y+6}\\\\=\frac{2y}{y-3}\times \frac{4(y-3)}{2(y+3)}\\\\=\frac{4y}{y+3}

Hence, the product of the above polynomials will be

\frac{4y}{y+3}

Alchen [17]3 years ago
7 0

Answer:

The value of given expression is \frac{4y}{y+3}.

Step-by-step explanation:

The given expression is

\frac{2y}{y-3}\times \frac{4y-12}{2y+6}

\frac{2y}{y-3}\times \frac{4y-12}{2y+6}=\frac{2y\times (4y-12)}{(y-3)\times (2y+6)}

\frac{2y}{y-3}\times \frac{4y-12}{2y+6}=\frac{2y\times 4\times (y-3))}{(y-3)\times 2\times (y+6)}

Cancel out the common factor (y-3) and 2.

\frac{2y}{y-3}\times \frac{4y-12}{2y+6}=\frac{4y}{y+3}

Therefore the value of given expression is \frac{4y}{y+3}.

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Penelope buys bracelets in bulk at a cost of $8 each to sell at her store. She uses a markup of 125%, which is added to the brac
navik [9.2K]
The correct answer is A. $18

8 x 125% or 8 x 1.25 = 10

Add $10 to $8 and you get $18
3 0
3 years ago
The number of seats in a row has been increased at a rectangular-shape movie theater after renovation so that it is now five mor
Damm [24]

Let the number of rows be = r

Let the number of seats per row be = s

we know that the number of seats is 126.

So, s\times r=126    ..... (1)

As given, there are five more seats per row than the number of rows, so we can say that:

s=r+5

Putting this in equation (1)

(r+5)*r=126

r^{2}+5r=126

r^{2}+5r-126=0

r^{2}+14r-9r-126=0

(r+14)(r-9)=0

r=-14 and r=9 (neglecting the negative value) we get r=9

And s=r+5

so, s =9+5=14

Hence, there are 5 rows and 14 seats per row.

4 0
3 years ago
What is the sum of series is numbers 64&amp;66 ?<br> Using the summation notation
iragen [17]

Answer:

64. 6138

66. 8.078125

Step-by-step explanation:

Let's take it one number at a time.

For number 64:

6(2)^{1-1}=6

6(2)^{2-1}=12

6(2)^{3-1}=24

6(2)^{4-1}=48

6(2)^{5-1}=96

6(2)^{6-1}=192

6(2)^{7-1}=384

6(2)^{8-1}=768

6(2)^{9-1}=1536

6(2)^{10-1}=3072

Sum = 6 + 12 + 24 + 48 + 96 + 192 + 384 + 768 + 1536 + 3072

Sum = 6138

For number 66:

12(-\frac{1}{2})^{0}=12

12(-\frac{1}{2})^{1}=-6

12(-\frac{1}{2})^{2}=3

12(-\frac{1}{2})^{3}=-1.5

12(-\frac{1}{2})^{4}=0.75

12(-\frac{1}{2})^{5}=-0.375

12(-\frac{1}{2})^{6}=0.1875

12(-\frac{1}{2})^{7}=-0.0078125

12(-\frac{1}{2})^{8}=0.046875

12(-\frac{1}{2})^{9}=-0.0234375

Sum = 12 + -6 + 3 + -1.5 + 0.75 + -0.375 + 0.1875 + -0.0078125 + 0.046875 + -0.0234375

or to make things simpler:

Sum = 12 - 6 + 3 - 1.5 + 0.75 - 0.375 + 0.1875 - 0.0078125 + 0.046875 - 0.0234375

Sum = 8.078125

4 0
3 years ago
Suppose that in the use of polynucleotide phosphorylase, nucleotides a and c are added in a ratio of 1a:5c. what is the probabil
Svetllana [295]

There is a 1 in 15 chance it could occur. The more numbers you add, the rarer the chance. This does not guarantee that it will occur in 15 tests.

4 0
3 years ago
What times 4will get to 80
Makovka662 [10]
20 times 4 will get to 80
7 0
3 years ago
Read 2 more answers
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