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cestrela7 [59]
2 years ago
10

Whoever answers correctly gets brainliest

Mathematics
2 answers:
PolarNik [594]2 years ago
4 0

Answer:

44 or 43 or if its aria 33

Step-by-step explanation:

lilavasa [31]2 years ago
4 0

Answer:

Step-by-step explanation:

Download pdf
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What number can be written as 40 plus 5 ?
Sergio [31]
40+5=45 is written in extended form so your answer is 45
5 0
3 years ago
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Explain why we can use any two points on a line to find the slope of the line
ololo11 [35]

Because all the coordinates of a line has the same slope. So, we can use any two of them to find the slope.


6 0
3 years ago
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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
Simplify (question is in the picture)
Sholpan [36]
Your answer is 26.9 so u could round it up to 27
3 0
3 years ago
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Hence factorize completely the expression<br>9x³y² - 4xy⁴​
Aloiza [94]

Step-by-step explanation:

9 {x}^{3} {y}^{2}  - 4x {y}^{4}  \\  = x {y}^{2} (9 {x}^{2}  - 4 {y}^{2} )

4 0
3 years ago
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