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dexar [7]
3 years ago
10

PLEASE HELP LOOK AT THE PHOTO!!!!!!!

Mathematics
1 answer:
vodka [1.7K]3 years ago
4 0
Hahah hdhe jw iDisk idjwj
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If -1 is one of the zeroes of py 3x^3-5x^2-11x-3 find other zeroes
katrin2010 [14]

Given:

The function is:

y=3x^3-5x^2-11x-3

It is given that -1 is a zero of the given function.

To find:

The other zeroes of the given function.

Solution:

If c is a zero of a polynomial P(x), then (x-c) is a factor of the polynomial.

It is given that -1 is a zero of the given function. So, (x+1) is a factor of the given function.

We have,

y=3x^3-5x^2-11x-3

Split the middle terms in such a way so that we get (x+1) as a factor.

y=3x^3+3x^2-8x^2-8x-3x-3

y=3x^2(x+1)-8x(x+1)-3(x+1)

y=(x+1)(3x^2-8x-3)

Again splitting the middle term, we get

y=(x+1)(3x^2-9x+x-3)

y=(x+1)(3x(x-3)+1(x-3))

y=(x+1)(3x+1)(x-3)

For zeroes, y=0.

(x+1)(3x+1)(x-3)=0

(x+1)=0 and 3x+1=0 and x-3=0

x=-1 and x=-\dfrac{1}{3} and x=3

Therefore, the other two zeroes of the given function are -\dfrac{1}{3} and 3.

3 0
2 years ago
The edge of a cube was found to be 15 cm with a possible error in measurement of 0.1 cm. Use differentials to estimate the maxim
Artyom0805 [142]

Answer: wait up getting your answers

Step-by-step explanation:

3 0
3 years ago
Martin has 5/6 of a pizza. Liam has 4 times as much pizza as Martin.
Novosadov [1.4K]

Answer:

Liam has 3 whole pizza along with 1/3 of a pizza.

In decimal,  Liam has 3.33 of Pizza.

Step-by-step explanation:

Given

Quantity of pizza with Martin = 5/6 of a pizza

Pizza with Liam = 4*Quantity of pizza with Martin

Pizza with Liam = 4*5/6 of a pizza

Pizza with Liam = 10/3 of a pizza = 3 1/3 of pizza.

Thus, Liam has 3 whole pizza along with 1/3 of a pizza.

In decimal Liam has 3.33 of Pizza.

7 0
3 years ago
What expression is equivalent to 4 to the power of 4 times 4 to the power of -9
pogonyaev
4^4 * 4^(-9) = 4^(4-9) = 4^(-5) or 1/(4^5)
5 0
2 years ago
Anwser both of them please
eimsori [14]
The rectangle on the right is 81 and the rectangle on the left is 24. I don't really know about the second one sorry, but I hope this helped.
4 0
3 years ago
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