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3 years ago

Someone please help me

Mathematics

2 answers:

pentagon [3]3 years ago

8 0

What happened? How can I help u?

kvv77 [185]3 years ago

8 0

1. ML
2. NL
3. 0.8
4. Approximately 0.6
5. Approximately 0.92
6. Approximately 0.38
7. 2.4

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Step-by-step explanation:

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3 years ago

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Y= 3x+7<br> y = -2x - 3<br> Whats the x and y for the solution

Tanzania [10]

Answer:

x=-2, y=1

Step-by-step explanation:

y=3x+7

y=-2x+3

Set the two equations equal to each other:

3x+7=-2x-3

Add 2x to both sides:

5x+7=-3

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3 years ago

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ExtremeBDS [4]

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Step-by-step explanation:

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3 years ago

How many terms are in 5x4-2x3+x-4

san4es73 [151]

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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