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Andrej [43]
3 years ago
15

Help a fellow out please

Mathematics
1 answer:
Liula [17]3 years ago
8 0

Answer:

24.27 cm

Step-by-step explanation:

sin 65 degrees = 22/x, so:

      1                   x

------------------ = ------

 sin 65 deg       22

so x = 22 / (sin 65 deg) = 22/0.906 = 24.27 cm

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A horse ran 800 meters in 40 seconds , 1200 meters in 60 seconds , and 480 meters in 24 seconds . Is this a proportional relatio
frosja888 [35]

Answer:

This is a proportional relationship, the constant of proportionality is 20m/s and it represents that the horse can run 20 meters every second.  

Equation:  d = 20s, where d=distance and s=number of seconds.

Step-by-step explanation:

In order to find out whether this relationship is proportional, you need to see if the rate at which the horse runs is constant (the same).  If you look at the three sets of data (24, 480), (40, 800) and (60, 1200) where the pair is (seconds, meters), you can see that for any two sets of data the change in meters divided by the change in seconds is consistently 20m/s.  For example:

\frac{1200-800}{60-40}=\frac{400}{20}=20

Since the constant is 20, we know that the horse can run 20 meters every second.  To find the horse's total distance, we need to multiply the rate by the number of seconds that it runs:

d = 20s

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3 years ago
If a gallon of paint weighs 11lbs and 4oz, what is the weight of a gallon of paint in kilograms?
slava [35]
The weight is 5.216312 kg
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2 years ago
Which statement is true about a number and its multiplicative inverse? A. Their product is always zero. B. Their product is alwa
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Answer: their product is always one

Step-by-step explanation:

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3 years ago
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Use the chart to estimate the population density of Romania in 1997. Round to the nearest person.
STALIN [3.7K]

The population density of Romania in 1997 given its area and the population is 95 people per square km.

<h3>What is the population density?</h3>

Population density is the number of people that live in a square kilometer of an area. It is determined by dividing total population by total area.

Population density = population / area

22.600,000 / 237301 = 95 people per square km

To learn more about population density, please check:

brainly.com/question/3704320

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Step-by-step explanation:

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