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Harman [31]
3 years ago
8

Why is 903*29 not a good estimate for 2700?

Mathematics
1 answer:
I am Lyosha [343]3 years ago
3 0
Because i<span>t's off by an order of magnitude. Should be near 27,000, not 2,700
The actual answer is </span><span>it's 26,187, to be precise.</span>
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A rectangular plot of land has an area of 8.3 square miles and a length of 3.5 miles what is the width of the plot land, in mile
Alexandra [31]

18.55 Hope this help that will be your answer have a good day or night.

5 0
3 years ago
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What are the solutions to this quadratic equation x2+6x-5=0
marishachu [46]

Answer:

See Below.

Explanation:

Quadratic Form:

a {x}^{2}  + bx + c

Quadratic Formula:

x =  \frac{ - b +   -  \sqrt{ {b}^{2}  - 4ac} }{2a}

Based on the information given from the question, we can deduce:

a = 1

b = 6

c = -5

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x =   \frac{ - 6 +  -  \sqrt{ {6}^{2}  - 4(1)( - 5)} }{2(1)}  \\  =   - 3 +  \sqrt{14}   \: or \:  - 3 -  \sqrt{14}

8 0
10 months ago
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A 2012 Gallup poll surveyed Americans about their employment status and whether or not they have diabetes. The survey results in
posledela

A) See picture for the table.

To make the table, multiply 47774 by 1.5% to get total that have diabetes and multiply 5855 by 2.5% to get total unemployed that have it, then using subtraction fill in the other squares of the table.

B)

Hypothesis:

H0: No association between employment and diabetes.

H1: Association between the two

Using a graphing calculator or Excel, run a chi-test.

Chi squared equals 31.844 with 1 degrees of freedom.

 The two-tailed P value is less than 0.0001

With this information we can reject the null hypothesis and conclude there is an association between diabetes and employment.

C)

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3 0
3 years ago
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Aneli [31]

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49x^2 - 28x + 4

7 0
3 years ago
(Inscribed Angles)
Alik [6]

Answer:

(D) 30 degrees

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An inscribed angle is an angle formed by two chords in a circle which have a common endpoint.

<u>Theorem(Inscribed Angles Conjecture I): </u>In a circle, the measure of an inscribed angle is half the measure of the central angle with the same intercepted arc.

By the theorem above and from the attached diagram,

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\angle p=0.5 X 60^\circ\\p=30^\circ

<u>The correct option is D.</u>

4 0
2 years ago
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