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pogonyaev
3 years ago
8

How many hours is 10:30 am to 6:30 pm?

Mathematics
1 answer:
Sav [38]3 years ago
3 0
I would say 8 but im gonna say 6 cause im a rebel
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Solve the given equation over the interval [0, 2π): csc^2 x + 2 csc x = 0.
Anastaziya [24]
csc^2x+2cscx=0
Factor out the GCF which is csc x
cscx(cscx+2)=0
Set each factor equal to zero.
cscx=0  or cscx+2=0
Using the reciprocal sine function we can replace csc in the equations.
\frac{1}{sinx} =0  or \frac{1}{sinx} +2=0
The first equation yields 1 = 0 which is not true. However the second equation does offer 2 possible answers.
When solved for sinx you get 
sinx=- \frac{1}{2}
The sine function is negative in the 3rd and 4th quadrants.
You can use the unit circle or the 
sin^-^1 feature on your calculator  sin^-^1(1/2)
210^o  or 330^o  alter radian answer which is probably what you want is \frac{7 \pi }{6}    or   \frac{11 \pi }{6}

8 0
3 years ago
What is the surface area of this rectangular prism, in square meters? 3 m 7 m 13 m​
Lina20 [59]

Answer:

302

Step-by-step explanation:

7*13*2 + 3*7*2 + 3*13*2 = 302

6 0
3 years ago
a salesperson earns a commission of $476 for selling $3400 in merchandise. what is the commission rate?
Artemon [7]

Answer:

Step-by-step explanation:

$476/($3400) = 0.14 = 14%

3 0
3 years ago
A city block has 6 pigeons and then 1 week later there are 9 pigeons. Let P(t)be the number of pigeons where t is measured in we
Pavel [41]

Using proportions, it is found that the differential equation which describes the growth of the pigeon population is given by:

\frac{dP}{dt} = 1.5P

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, considering the initial population and the population one week later, the rate of growth is given by:

k = 9/6 = 1.5.

The standard differential equation for population growth is:

\frac{dP}{dt} = kP

Hence:

\frac{dP}{dt} = 1.5P

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

8 0
2 years ago
Find the absolute error of the measurement 10 meters. explain its meaning
nikdorinn [45]

Answer:

.5 m

Step-by-step explanation:

You can use maximum possible error to calculate absolute error

Maximum possible error of is half the unit of measure

This means it is ±0.5 meters

In this case, you find the place value the measurement 10 meters is rounded to .This measurement was measured to the nearest meter, thus the measuring unit is 1 meter.

Here you use the maximum possible error as the absolute error.

This means the measurement is 10 ± .5

4 0
4 years ago
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