3 years ago

I need 62,430,021 in words

Mathematics

1 answer:

dmitriy555 [2]3 years ago

8 0

Sixty two million, four hundred thirty thousand, twenty one

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The gas mileage for a certain model of car is known to have a standard deviation of 6 mi/gallon. A simple random sample of 49 ca

lord [1]

Answer:

The answer is "(27.030,29.770)"

Step-by-step explanation:

$(\bar{x}) = 28.4$

$(n)= 49$

$(\sigma) = 6$

$(CI) = \bar{x}\pm z^*_{\frac{\alpha}{2}} \frac{\sigma}{\sqrt{n}}$

$z^*_{\frac{\alpha}{2}}\ for \ 89\%\ confidence = 1.598 \\\\\text{Using z table }\\\\ NORM.S.INV(1-\frac{(1-0.89)}{2})$

$CI = 28.4 \pm 1.598 \times \frac{6}{\sqrt{49}}=(27.030,29.770)$

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3 years ago

Genie is a dental hygienist. She has 15 boxes of mint dental floss that have 16.4

HACTEHA [7]

Answer:

789.4 tards of dental floss

Step-by-step explanation:

multiply 11 by 49.4 which gives you 543.4 then multiply 15 by 16.4 then add up your answers and then you have your correct answer.

5 0

3 years ago

Read 2 more answers

I need help i dont know the answers

Arlecino [84]

Answer: Change the number: 36

To:48

Step-by-step explanation:

12x2 is 24 but 24 x 2 isn’t 36

5 0

3 years ago

How many complex roots does the polynomial equation have?

Alexus [3.1K]

I think it is 5 but I am not for sure

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4 years ago

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For the years between 1980 and 2012, the function c(x)=0.006x^3−0.48x^2+12.8x+85 approximates the number of countries that atten

Evgesh-ka [11]

Answer:

199

Step-by-step explanation:

2004 is 24 years after 1980. The polynomial remainder theorem tells you the remainder from division by x-24 will be the function value c(24). We can find the remainder/function value by evaluating the function rewritten to Horner form:

c(x) = ((0.006x -0.48)x +12.8)x +85

c(24) = ((0.006(24) -0.48)(24) +12.8)(24) +85 = (-.336(24) +12.8)(24) +85

= 4.736(24) +85 = 198.664

c(24) ≈ 199

The approximate number of countries attending the 2004 Olympics was 199.

5 0

3 years ago