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earnstyle [38]
3 years ago
6

Which of the expressions below is equal to 10x+30? Select all that apply.

Mathematics
1 answer:
posledela3 years ago
6 0
10 (x + 3) is the answer i believe
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345 degrees to a radion​
miv72 [106K]

We convert degrees to radian by multiplying by  (

\frac{\pi}{180})

=  (345)  ×  (  \frac{\pi π}{180} )

=  (\frac{345}{180})  ×  (π)

=  1.9166π

=  1.9166  ×  3.14

=  6.018 rad

≈  6.02 rad

4 0
3 years ago
The equation c = 35h + 60 describes a painters charges , c , for a job that takes h hours. Which statement is correct?
Neko [114]

The painters hourly rate is $35.00

no matter how much hours, each hour costs $35, as seen (35h)

hope this helps

8 0
3 years ago
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A garden measures 6 feet by 7 feet. A gravel path of constant width is placed around the garden so that the total area is 72 squ
frosja888 [35]
the answer is 114 because first u have to × and then +
4 0
3 years ago
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The fraction of defective integrated circuits produced in a photolithography process is being studied. A random sample of 300 ci
Olenka [21]

Answer:

The correct answer is

(0.0128, 0.0532)

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence interval 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

Z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}

For this problem, we have that:

In a random sample of 300 circuits, 10 are defective. This means that n = 300 and \pi = \frac{10}{300} = 0.033

Calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool.

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{300}} = 0.033 - 1.96\sqrt{\frac{0.033*0.967}{300}} = 0.0128

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{300}} = 0.033 + 1.96\sqrt{\frac{0.033*0.967}{300}} = 0.0532

The correct answer is

(0.0128, 0.0532)

4 0
3 years ago
Find the area of the sector. Use π = 3.14.<br> 120°<br> 11 mi
Nady [450]

Answer:

Step-by-step explanation:

4 0
2 years ago
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