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3 years ago

7

Round $4.72955 to the nearest cent

1 answer:

MArishka [77]3 years ago

7 0

THe answer to this question is $4.7

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WRITE Which solid has a greater volume: cone with a base radious of 7 centimeters and a height of 28 centimeters or a pyramid Wi

Mumz [18]

The pyramid has a greater volume.
The volume of the cone is 1436.7 ( to 5 sf )
The volume of the pyramid is 1437.3 ( to 5 sf )
Both of them is 1440 when rounded off to 3 sf. However , the volume of the pyramid is greater.
( so sorry I can’t explain well but I hope it helps )
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3 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

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3 years ago

A rectangular picture 6cm by 8cm is enclosed by a frame 1/2cm wide . calculate the area of the frame.

Stels [109]

Answer:

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3 years ago

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Easy math question! brainliest :)

Naddika [18.5K]

Answer:

b.) distance north or south of the equator

Step-by-step explanation:

Lines of latitude are horizontal lines parallel with the equator.

The equator is the central line of latitude, and latitude is measured north or south of the equator.

Answer: b.) distance north or south of the equator

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3 years ago

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Simplifying radicals

nexus9112 [7]

Answer:

its easy just do 7 times 145 wich is

Step-by-step explanation:

1015

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3 years ago