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3 years ago

10

Write the polynomial in standard form and classify it by degree and by number of terms 2x-4x^3-7

1 answer:

Vinvika [58]3 years ago

8 0

4x^3+2x-7

three terms
degree of three

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Can some please answer! There is a picture! Thank you!!!!

Cerrena [4.2K]

We know that the measure of arc AC = 92 degrees, and x and y are both inscribed angles of this arc, which means that they will have 1/2 of its measure.

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x = 46, y = 46 is your answer, or the first option

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3 years ago

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Law Incorporation [45]

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3 years ago

A coral reef has 187 groups of fish in each group there are 21 fish about how many fish live in the coral reef and is it multipl

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3 years ago

Read 2 more answers

An analyst from an energy research institute in California wishes to precisely estimate a 99% confidence interval of the average

Lena [83]

Answer:

190

Step-by-step explanation:

Data provided in the question:

Confidence level = 99%

Therefore,

α = 1% = 0.01

[ from standard normal table ]

z-value for $z_{\frac{\alpha}{2}}= z_{\frac{0.01}{2}}=$ = 2.58

Margin of error, E = $0.06

Standard deviation, σ = $0.32

Now,

n = $(\frac{z_{0.005}\sigma}{E})^2$

Here,

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on substituting the respective values, we get

= $(\frac{z_{0.005}\sigma}{E})^2$

= $(\frac{2.58\times0.32}{0.06})^2$

= 13.76²

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Hence,

minimum number of gas stations that she should include in her sample is 190

5 0

3 years ago