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Akimi4 [234]
3 years ago
5

What is the volume of a circular cylinder with a radius of 6mm and a height of 10mm

Mathematics
1 answer:
Firlakuza [10]3 years ago
7 0
1130.9734
volume=πr2h
π x 6 x 10= 1130.9734
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What is the value of f(x)=-3.25x 22.41 at x=-4.2
Gennadij [26K]
F(x)=-3.25x +22.41
f(-4.2)= 3.25(-4.2)+22.41 = 8.76
4 0
4 years ago
Population Growth The population P (in thousands) of Oriando,Florida from 1980 through 2009 can be modeled by p = 130e0.0205t,wh
svetoff [14.1K]

Answer: a) 236,000.

b) 2021

Step-by-step explanation:

Given : Population Growth The population P (in thousands) of Oriando,Florida from 1980 through 2009 can be modeled by p = 130e^{0.0205t}    (1)

where t = 0 corresponds to 1980.

Then , for 2009

t= 2009-1980=29

a. ⇒The population of Phoenix in 2009 =  p = 130e^{0.0205(29)}

p = 130e^{0.5945}

p =130(1.81212465608)=235.57620529\approx236

Hence, the population of Orlando in 2009 was about 236,000.

b) Substitute p= 300 in (1) , we get

300 = 130e^{0.0205t}

2.3077= e^{0.0205t} (Divide both sides by 130)

Taking Natural log on both sides,

\ln(2.3077) = 0.0205t\\\\\Rightarrow\ t=\dfrac{\ln(2.3077)}{0.0205}

t=\dfrac{0.836251357528}{0.0205}=40.7927491477\approx41

Hence, The year Orlando will have a population of 300,000 =1980+41 =2021

6 0
3 years ago
Freddie used 6.75 gallons of gas to drive the 155.25 miles. What was his car's gas mileage? (gallons per mile)?
bekas [8.4K]
Freddies gas milage is 23 miles per galloon because 155.25 divided by 6.75 is 23
3 0
3 years ago
0.0000575 n scientific notation
Mrac [35]
5.75 * 10 ^-5

Hope this helps

3 0
3 years ago
Which lines are parallel to 8x + 4y = 5? Select all that apply.
Dvinal [7]

Answer:

A , B , C

Step-by-step explanation:

1) find the slope of the given line

slope = (-a/b) = (-8/4) = -2

two parallel lines have the same slope

A : correct

B : (-a/b) = -16/8 = -2 (correct)

C : correct

D : wrong (2 is different from -2)

5 0
3 years ago
Read 2 more answers
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