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malfutka [58]
3 years ago
5

Please help :D also like u have to write an expression

Mathematics
2 answers:
ohaa [14]3 years ago
8 0
The answer should be 2n since there is n amount of side on the first polygon and twice as many in the second
professor190 [17]3 years ago
5 0
Https://kahoot.it/challenge/06610901?challenge-id=b1a4be66-6b3e-4f22-b8a3-1d33b623d952_1612379300076
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What is the best way to description X times Y in a sentence?
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Step-by-step explanation:

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4 years ago
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Answer:

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3 years ago
A shelf can hold 32 pounds of fruit. Each basket weighs 32 ounces. How many baskets can the shelf hold?
wariber [46]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
I need help with both of them please
kaheart [24]
5. it is A..............
3 0
3 years ago
Read 2 more answers
Which polynomials have 2 roots
madreJ [45]

Answer:

Option D

Step-by-step explanation:

Option A

x² - 3x² + 2x² = 0

Therefore, the given polynomial has no roots.

Option B

x² + 2x + 8

By quadratic formula,

x = \frac{-2\pm \sqrt{4-32} }{2}

  = \frac{-2\pm \sqrt{-28} }{2}

Therefore, roots are imaginary and for a polynomial with degree 1 or more than 1, both the roots can't be imaginary.

So the polynomial can't have exactly two roots.

Option C

99x³ - 33x + 1

Since the polynomial is of degree 3, so it will have three roots.

Therefore, the polynomial will not have exactly 2 roots.

Option D

√2x - 3x² + 7√2

By quadratic formula,

x = \frac{-\sqrt{2}\pm\sqrt{(\sqrt{2})^2-4(-3)(7\sqrt{2} )}}{2(-3)}

x = \frac{-\sqrt{2}\pm\sqrt{2+84\sqrt{2} )}}{(-6)}

There are exactly two real roots.

Therefore Option D is the answer.

Option E

4x + 11x - 111

Since this polynomial is of a degree 1.

There will be only one root.

7 0
3 years ago
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