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4 years ago

BRAINLIEST!!

1 answer:

7 0

She will buy a new car.

Given p—>q and p, this means that q is true. This is because if p is true then q has to be true too. A statement when true implies false is false.

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What is the area of the composite figure<br>

Zielflug [23.3K]

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6 0

3 years ago

Find the value of each variable. Write your answers in simplest form.

hodyreva [135]

Answer:

$q = 16 \sqrt{2}$ and $r = 16$

Step-by-step explanation:

We know that

$\sin( \alpha ) = \frac{side \: opposite \: to \: \alpha }{hypotenuse \: of \: triangle}$
$\cos( \alpha ) = \frac{side \: adjacent \: to \: \alpha }{hypotenuse \: of \: traingle}$
$\tan( \alpha ) = \frac{side \: opposite \: to \: \alpha }{side \: adjacent \: to \: \alpha }$

where $\alpha$ is an angle of a triangle.

In the triangle given above , $\alpha = 45°$ . So,

1) $\sin( 45) = \frac{16}{q}$

$= > \frac{1}{ \sqrt{2} } = \frac{16}{q}$

$= > q = 16 \sqrt{2}$

2) $\tan(45) = \frac{16}{r}$

$= > 1 = \frac{16}{r}$

$= > r = 16$

8 0

3 years ago

Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi

katrin2010 [14]

Answer:

Test scores of 10.2 or lower are significantly low.

Test scores of 31.4 or higher are significantly high.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

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:

$\mu = 20.8, \sigma = 5.3$