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erik [133]
3 years ago
7

Factor each polynomial -28y^2-12y^5

Mathematics
1 answer:
artcher [175]3 years ago
8 0

Answer:

y=-\frac{\sqrt[3]{63} }{3}

y=0

Step-by-step explanation:

− 4 y^{2} ( 3 y^{3} + 7 )

-4y^{2} =0,     ( 3 y^{3} + 7 )=0

y^{2} =0         3y^{3} =-7

y=0            y^{3} =\frac{-7}{3}

                   y=-\frac{\sqrt[3]{63} }{3}

                   

               

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A+3 1/4+5 2/9 what is the value of a, explain how you got the answer
larisa86 [58]

Answer:

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Step-by-step explanation:

Convert

3

1

4

3

1

4

to an improper fraction.

a

+

13

4

+

5

2

9

a

+

13

4

+

5

2

9

Convert

5

2

9

5

2

9

to an improper fraction.

a

+

13

4

+

47

9

a

+

13

4

+

47

9

To write

13

4

13

4

as a fraction with a common denominator, multiply by

9

9

9

9

.

a

+

13

4

⋅

9

9

+

47

9

a

+

13

4

⋅

9

9

+

47

9

To write

47

9

47

9

as a fraction with a common denominator, multiply by

4

4

4

4

.

a

+

13

4

⋅

9

9

+

47

9

⋅

4

4

a

+

13

4

⋅

9

9

+

47

9

⋅

4

4

Write each expression with a common denominator of

36

36

, by multiplying each by an appropriate factor of

1

1

.

a

+

13

⋅

9

36

+

47

⋅

4

36

a

+

13

⋅

9

36

+

47

⋅

4

36

Combine the numerators over the common denominator.

a

+

13

⋅

9

+

47

⋅

4

36

a

+

13

⋅

9

+

47

⋅

4

36

Simplify the numerator.

a

+

305

36

a

+

305

36

3 0
3 years ago
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