3 years ago

Are polynomials determined to be a trinomial, binomial, etc. based on the number of operations or the terms?

1 answer:

5 0

Polynomials are determined to be a trinomial, binomial, etc by the amount of terms they have
For example
7x+3 is a binomial

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Which shows 542 − 462 being evaluated using the difference of squares method?

tatiyna

The difference of squares method:
a² - b² = (a-b ) (a+b)
54² - 46² = (54+46) · ( 54 + 46 )= 100 · 8 = 800
Answer: B)

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4 years ago

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What is the result of adding the system of equations?

irga5000 [103]

The answer should be A

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3 years ago

A phone company offers two monthly plans. Plan A costs $ 20 plus an additional $0.12 for each minute of calls. Plan B costs $13

Shalnov [3]

Let:

• y, be the cost of the plan

• x, be the minutes spend on call

This way, we'll have:

Plan A:

$y=0.12x+20$

Plan B:

$y=0.17x+13$

If the two plans cost the same, we'll have that:

$0.12x+20=0.17x+13$

Solving for x :

$\begin{gathered} 20-13=0.17x-0.12x \\ \rightarrow7=0.05x \\ \rightarrow\frac{7}{0.05}=x \\ \\ \Rightarrow x=140 \end{gathered}$

A) The two plans will cost the same for 140 minutes on call

The cost will be:

$\begin{gathered} y=0.12(140)+20 \\ \Rightarrow y=36.8 \end{gathered}$

B) $36.80

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2 years ago

80% of ______ is 1,200?

ankoles [38]

Answer:

2160

Step-by-step explanation:

The answer is 2160 because:

1200 + 80% = 2160.

So, 2160 is your answer.

Hope this helps!

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3 years ago

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Can you explain $2000-$1433

Sophie [7]

The answer would be $567

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4 years ago

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