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pentagon [3]
3 years ago
5

Which is a counterexample that disproves the conjecture? After completing several multiplication problems, a student concludes t

hat the product of two binomials is always a trinomial.
Mathematics
1 answer:
Dahasolnce [82]3 years ago
5 0
When you make the product of a binomial of the kind x + a times other binomial that is of the kind x - a, you obtain another binomial (not a trinomial), so any example with that form will be a counterexample that disproves the conjecture:

(x + a) * (x - a) = x^2 - a^2

For example, (x +3) * (x - 3) = x^2 - 9. So, not always the product of two binomials is a trinomial.
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Answer:

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Step-by-step explanation:

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How do I go about solving this. ​
notka56 [123]
<h2>Answer:</h2><h2>x=37.5° and angle ABC is 52.5°</h2><h2>Step-by-step explanation:</h2>

We know that angle CBD is a right angle.

We also know that angle ABE is 180°.

Our unknown angle values are angle DBE and angle CBA.

angle CBD minus angle ABE will be 90°.

angle ABC plus angle DBE must equal 90°.

Solving for x:

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Checking the work:

ABC=37.5°+15=52.5°

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In conclusion, ABC plus CBD plus DBE equals 180°

<em>Hope this helped!</em>

6 0
4 years ago
A survey about the art program at a school found that 250 students wanted an after-school art program, 150 students wanted art c
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<span>your welcome! :)</span>
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3 years ago
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eduard
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