3 years ago

Brainliest to first answer

Mathematics

1 answer:

a_sh-v [17]3 years ago

8 0

Answer:

7 ÷ 3/9 = 7 x 9/3 = (7x9)/3 = 63/3 = 21

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A rectangle has an area of 30 m² and a perimeter of 34 m. What are the dimensions of the rectangle?

son4ous [18]

15 AND 2.
BECAUSE 15+15+2+2=34
and 15×2= 30

.P.S. PHANTOM SNIPERS

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4 years ago

Which equation is equivalent to the given equation?

Neporo4naja [7]

Answer: x² + 4x +3=0

Step-by-step explanation:

Add 4x to both sides.

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2 years ago

Simplify the following expression:<br> 4 + b ( 12 - 3 ) - 2b

kifflom [539]

Answer:

4+7b

Step-by-step explanation:

4+ (b*12)+(b*-3)-2b

4+12b-3b-2b

4+12b-5b

7+7b

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4 years ago

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Suppose you invest $1050 at an annual interest rate of 5.5% compounded continuously. How much will you have in the account after

horsena [70]

<span>$28,875 I think?
pretty sure that's rounded.

</span>

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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

4 years ago