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ddd [48]
2 years ago
9

A scale diagram of a garden shows the length as 14.5 cm. If the scale is 1:150, what is the actual length? The garden is m in le

ngth
Mathematics
1 answer:
zvonat [6]2 years ago
3 0

<em>Answer:</em>

<em>21, 75 m</em>

<em>Step-by-step explanation:</em>

<em>The actual length ?</em>

<em>14, 5 cm × 150 = 2 175 cm = 21, 75 m</em>

<em />

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A company logo is made up of a square and three identical triangles. What is the area of the logo? Enter your answer in the box.
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Given:
square with sides measuring 7 cm.
3 triangles attached to three sides of the square. A line bisecting one triangle is measured at 4 cm.

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2 years ago
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Answer:

The price would be decreased by 18 bozats

Step-by-step explanation:

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According to a "how to stop bullying" Web site, 15% of students report experiencing bullying one to three times within the most
AlekseyPX

Answer:

His 95% confidence interval is (0.065, 0.155).

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 level of 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}.

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95% confidence level

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)}{n}} = 0.11 - 1.96\sqrt{\frac{0.11*0.89}{186}} = 0.065

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.11 + 1.96\sqrt{\frac{0.11*0.89}{186}} = 0.155

His 95% confidence interval is (0.065, 0.155).

4 0
1 year ago
A quadratic function has a line of symmetry at x = –3.5 and a zero at –9. What is the distance from the given zero to the line o
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Given:

A quadratic function has a line of symmetry at x = –3.5 and a zero at –9.

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2 years ago
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