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Aleonysh [2.5K]
3 years ago
8

Please help, thanks! Factor completely Sx²- 13x² + 15x²

Mathematics
1 answer:
Andru [333]3 years ago
7 0

Answer:

x^2(S+2)

Step-by-step explanation:

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Which expression can be expanded using the binomial theorem?
kirill [66]

Answer:

The third choice:  (x² - 1)³

Step-by-step explanation:

That is the only expression that is a binomial.  Binomial means "two numbers".  For this expression, x² is one number, and -1 is the other.  Choice 1 is a monomial (one number) and choices 2 and 4 are trinomials (three numbers)

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Evaluate the expression when z=7 3z+8
SSSSS [86.1K]

Answer:

Hi! The answer to your question is 29

Step-by-step explanation:

3(7)+8

3(7) = 21

21 + 8

= 29

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3 0
2 years ago
What is area of this
nata0808 [166]

Answer:

A = 20.5 sq units

Step-by-step explanation:

you have the height of 5 but need to figure out the base

we can use the Pythagorean Theorem two times to find it

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a² = 49-25

a = \sqrt{24} = \sqrt{4}·\sqrt{6} = 2\sqrt{6}

2) b² + 5² = 6²

b² = 36-25

b = \sqrt{11}

Base = 2\sqrt{6} + \sqrt{11}

A = 1/2 x 5· (2\sqrt{6} + \sqrt{11})

A = 2.5 · (2\sqrt{6} + \sqrt{11})

A = 2.5(8.2)

A = 20.5

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Slope = -9/4

The answer is the 3rd choice.

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3 years ago
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