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german
2 years ago
15

What is ST? S 30 V Q 17 T 19 R 5 ST=

Mathematics
1 answer:
Stella [2.4K]2 years ago
5 0

Step-by-step explanation:

PQR=STV

angPQR=angSTV

angPRQ=angSVQ

Both triangle are similar by AA test

therefore,

PQ/ST=QR/TV

30/ST=36/24

ST=36*30/24

<h3>ST= 45</h3>

<h2><u>MARK ME AS BRAINLIST</u> </h2>

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Quadrilateral ABCD is similiar to quadrilateral EFGH. The lengths of the three longest sides in quadrilateral ABCD are 24 feet,
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The two quadrilaterals are given similar .

In any similar figure sides are in proportion.The second largest side of quadrilateral ABCD is 16 ft .Let the second longest side of quadrilateral EFGH be x ft. These sides will be in proportion to each other .

The second shortest side of quadrilateral EFGH that is GF will be proportional to the third longest side of quadrilateral ABCD that is BC

We can form a proportion with the proportional sides:

\frac{16}{x} =\frac{12}{18}

To solve for x we cross multiply

12x=(16)(18)

12x=288

Dividing both sides by 12 we get

x=24.

The second longest side of quadrilateral EFGH is 24 ft.

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The following table gives results from two groups of students who took a nonproctored test. Use a 0.01 significance level to tes
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Answer:

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Opposite claim is \mu_{1} \neq \mu_{2}

Null and alternative hypotheses:

H_{0}:\mu_{1} = \mu_{2}

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Significance level: 0.01

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We can use TI-84 calculator to find the test statistic and P-value. The steps are as follows:

Press STAT and the scroll right to TESTS

Scroll down to 2-SampTTest... and scroll to stats.

Enter below information.

\bar{x_{1}}=70.29

Sx1=22.09

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Pooled: Yes

Calculate.

The output is in the attachment.

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Reject or fail to reject: Fail to reject

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