Find the area. The figure is not drawn to scale.

Mathematics

2 answers:

lesantik [10]3 years ago

8 0

Answer:

824

Step-by-step explanation:

the answer is 824

lord [1]3 years ago

6 0

For this case we want to find the area of a triangle whose base is 5.4cm and height 2cm.

By definition, the area of a triangle is given by:

$A = \frac {b * h} {2}$

Where "b" represents the base and "h" represents the height of the triangle.

Then, replacing we have:

$A = \frac {5.4 * 2} {2}\\A = \frac {10.8} {2}\\A = 5.4cm ^ 2$

Thus, the area of the triangle is $A = 5.4cm ^ 2$

Answer:

$A = 5.4cm ^ 2$

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A normal distribution has a mean of 137 and a standard deviation of 7. Find the z-score for a data value of 121. Incorrect Round

Neko [114]

Answer:

The z-score for a data value of 121 is -2.29.

Step-by-step explanation:

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 137, \sigma = 7$