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zlopas [31]
3 years ago
8

The side of triangle ABC are ab=5cm, bc=6cm and ac=7.5cm.draw the triangle

Mathematics
2 answers:
Anna11 [10]3 years ago
4 0

Answer:your cute

Step-by-step explanation:

RoseWind [281]3 years ago
4 0
Draw line ac using a ruler. Taking a compass, place the point on one end of the line ac. Set the compass to 5cm, then draw an arc. Next, place the compass point on the other side of like ac. Set the compass to 6cm and draw an arc. The point of intersection between the two arcs it the point of your triangle. Now draw likes from this point of intersection to either side of ac.
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Will mark brainliest once it becomes available
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m=47

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Kevin can travel 22 1/2 miles in 1/3 hour .What is the average speed in miles per hour?
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A random sample of 15 employees was selected. The average age in the sample was 31 years with a variance of 49 years. Assuming a
vova2212 [387]

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Assuming ages are normally distributed, the 98% confidence interval for the population average age is [26.3, 35.7].

Step-by-step explanation:

We have to construct a 98% confidence interval for the mean.

The information we have is:

- Sample mean: 31

- Variance: 49

- Sample size: 15

- The age is normally distributed.

We know that the degrees of freedom are

k=n-1=15-1=14

Then, the t-value for a 98% CI is t=2.625 (according to the t-table).

The standard deviation can be estimated from the variance as:

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Then, the CI can be constructed as:

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