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kicyunya [14]
2 years ago
10

What is this number in standard form?

Mathematics
1 answer:
sdas [7]2 years ago
4 0

Answer:

the answer is 71.092

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A reporter for a student newspaper is writing an article on the cost of off-campus housing. A sample was selected of 10 one-bedr
olga55 [171]

Answer:

(507.05, 592.95)

Step-by-step explanation:

Given data:

sample mean = $550, sample standard deviation S = $60.05

95% confidence interval , n = 10

For 95% confidence interval for the mean

mean ± M.E.

where M.E. is margin of error = t_{n-1}, \alpha/2\times\frac{S}{\sqrt{n} }

Substituting the values in above equation

=t_{10-1}, 0.05/2\times\frac{60.05}{\sqrt{10} }

= 2.62×18.99

=42.955

= 550±42.95

=(507.05, 592.95)

6 0
3 years ago
Yuri thinks that 3/4 is a root of the following function. q(x) = 6x3 + 19x2 – 15x – 28 Explain to Yuri why 3/4 cannot be a root.
k0ka [10]

Answer:

Yuri is not correct.

Step-by-step explanation:

Given expression is q(x) = 6x³ + 19x² - 15x - 28

If 'a' is a root of the given function, then by substituting x = a in the expression, q(a) = 0

Similarly, for x = \frac{3}{4},

q(\frac{3}{4})=6(\frac{3}{4})^3+19(\frac{3}{4})^2-15(\frac{3}{4})-28

       = 6(\frac{27}{64})+19(\frac{9}{16})-15(\frac{3}{4})-28

       = (\frac{162}{64})+(\frac{171}{16})-(\frac{45}{4})-28

       = (\frac{162}{64})+(\frac{684}{64})-(\frac{720}{64})-\frac{1792}{64}

       = -\frac{1666}{64}

       = -\frac{833}{32} ≠ 0

Therefore, Yuri is not correct. x = \frac{3}{4} can not be a root of the given expression.

6 0
3 years ago
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Our eyes are sensitive to all electromagnet waves with a wavelength longer than infrared

Step-by-step explanation:

I hope this helps :) good luck!

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3 years ago
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Answer:

Step-by-step explanation:

Lo lamento no se la respuesta espero que la

encuentres

4 0
2 years ago
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Simplify the linear expression.
Molodets [167]

Answer: The answer to the first is -29x-5. The Answer to the second is -5/6a - 5/8

Step-by-step explanation:I took the K12 test I hope this helps.

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