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blondinia [14]
2 years ago
12

a phone signals from a transmitter that is 19km west and 36km south of it. what is the bearing from the phone to the transmitter

give your answer to the nearest degree.
Mathematics
1 answer:
Novay_Z [31]2 years ago
3 0

Answer:

152 .18 degrees

Step-by-step explanation:

See attached diagram

arctan (36/19) = 62.18 degrees

 If North is zero....you will need to add 90 degrees= 152.18 degrees

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STatiana [176]

7^2/7^-2 and (7^2)^2

7 0
3 years ago
The birth rate of a population is b(t) = 2300e0.021t people per year and the death rate is d(t)= 1450e0.018t people per year, fi
Cerrena [4.2K]

Answer:

38,674.This area represents the increase in population over a 10-year period.

Step-by-step explanation:

When graphed over the interval 0 ≤ t ≤ 10, the birth rate is more than the death rate. This means the area between the two curves is the amount of births subtract the amount of deaths. This results in an area which means the increase of the population.

The birth rate is graphed in green and the death rate is graphed in blue.

To find the area, take the integral of the difference of the functions:

\int\limits^{10}_0 {2300e^{0.021t} - 1450e^{0.018t} } \, dt \\\\\frac{2300e^{0.021t}}{0.021} -  \frac{1450e^{0.018t}}{0.018} \\\\(\frac{2300e^{0.21}}{0.021} -\frac{1450e^{0.18}}{0.018} ) - (\frac{2300}{0.021}- \frac{1450}{0.018} ) \\\\135117.12 - 96442.51 \\\\38,674

7 0
3 years ago
What is a mixed number for 5/2
m_a_m_a [10]

Answer: 2 1/2

Step-by-step explanation:  Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction. Hope this helps!! PLZ mark me!!!

8 0
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Which of the following functions is not a sinusoid?
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A sinusoid is cyclical and has a period or frequency.

y = sin x is a sinusoid, with a period of 2π.
y = √x is not a sinusoid.
y = cos x is a sinusoid with a period of 2π.

Answer: y = √x is not a sinusoid.
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3 years ago
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What are 64 real square roots
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The square roots of 64 are -8 and +8.
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3 years ago
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