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Natalka [10]
3 years ago
5

The polygons in each pair are similiar help find the missibg length???

Mathematics
1 answer:
MariettaO [177]3 years ago
5 0

Answer:

x = 40.

Step-by-step explanation:

The corresponding sides are in the same proportion so:

45/ 27 = 30/18 = x/24

Consider the last 2 fractions:

30/18 = x/24

5/3 = x/24           Cross multiply:

3x = 5 * 24

x =  120 / 3

x  = 40.

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Answer:

\cos\theta=\pm0.5

Step-by-step explanation:

Given:

\sin^2\theta=0.75

To find \cos\theta

Using trigonometric relations for sums and differences of squares of the ratios.

We know:

\sin^2\theta+\cos^2\theta =1

Plugging in  \sin^2\theta=0.75 in the above relation.

0.75+\cos^2\theta =1

Subtracting both sides by 0.75.

0.75+\cos^2\theta-0.75 =1-0.75

\cos^2\theta =0.25

Taking square root both sides.

\sqrt{\cos^2\theta} =\sqrt{0.25}

∴ \cos\theta=\pm0.5  (Answer)

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3 years ago
Hey guys I need help with this right quick...got some time to help????
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Olivia used her past health history and information about her doctor visits to create this table to compare health costs with an
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The expected value of health care without insurance is $437.25.

The expected value of health care with insurance is $1,636.40.

<h3>What are the expected values?</h3>

The expected values can be determined by multiplying the respective probabilities by its associated costs.

The expected value of health care without insurance

                                                         = (1 x 0) + (0.32 x 1050) + (0.45 x $225)  

                                                         = $437.25

The expected value of health care with insurance

                                                          = (1 x 1580) + (0.32 x 75) + (0.45 x $72)

                                                          = $1,636.40

Thus, The expected value of health care without insurance is $437.25.

         The expected value of health care with insurance is $1,636.40.

Learn more about Expected value from:

brainly.com/question/13945225

#SPJ1

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2 years ago
For place values that occur to the left of the decimal point, each place value is ten times ____ than the place value to its rig
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