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3 years ago

What are the zeros of the polynomial function f (x)=x^2-12x+20

Mathematics

2 answers:

horsena [70]3 years ago

5 0

I hope this helps you

f (x)=(x-10)(x-2)

x=10

x=2

nata0808 [166]3 years ago

3 0

Answer:

the answer is 10 and 2

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A consumer advocacy group wants to determine whether there is a difference between the proportions of the two leading automobile

podryga [215]

Answer:

The answer is "0.3206".

Step-by-step explanation:

$H_0: p_1 = p_2\\\\H_a: p_1 \neq p_2\\\\\hat{p_1} = \frac{X_1}{N_1} = \frac{53}{400} = 0.1325\\\\\hat{p_1}= \frac{X_2}{N_2} = \frac{78}{500}= 0.156\\\\\hat{p} = \frac{(X_1 + X_2)}{(N_1 + N_2)} = \frac{(53+78)}{(400+500)} = 0.1456$

Testing statistic:

$z = \frac{(\hat{p_1}- \hat{p_2})}{\sqrt{(\hat{p} \times (1-\hat{p}) \times (\frac{1}{N_1} + \frac{1}{N_2}))}}$

$=\frac{(0.1325-0.156)}{\sqrt{(0.1456\times (1-0.1456)\times (\frac{1}{400} + \frac{1}{500}))}}\\\\ = -0.99$

Calculating the P-value Approach

$\text{P-value}= 0.3206$

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2 years ago

Cameron tells about his trip to the Big Books store. "How awful!

kari74 [83]

The answer would be $19 on eg

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3 years ago

N is an integer.<br>Write the values of n such that -15 < 3 < 6

Thepotemich [5.8K]

Answer:

Step-by-step explanation:

n could be : -14, -13, -12... -1, 0 , 1, 2, 3 ,4,5

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3 years ago

It’s not “analyzes the paper topic” I got it wrong in Edgeunity it should be “explains the papers topic”

alexandr1967 [171]

Answer:

Step-by-step explanation:

The correct answer for the first question is, what does the audience want to know? She wants the audience to know that she is preparing to write an article for his school newspaper. A thesis statement is a sentence that most likely explains the papers topic and knowing the audience will help her use the right words and connotations to provide the best report to her teacher.

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3 years ago

jason earns 15 dollars an hour at his job he spends 40 a day create an exprssion to desribe his savings in one day where x is th

geniusboy [140]

Answer:

Let y be the total earns of jason

where x is the number of hours jason works that day

y=15x ×40

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total earns of jason y = 600x

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3 years ago