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3 years ago

13

a country's population in 1992 was 39 million. In 1997 it was 42 million. Estimate the population in 2009 using the exponential

growth formula.

1 answer:

QveST [7]3 years ago

8 0

I think the answer is 49,500,000

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Create a numeric vector called age whose elements contain the ages of three people you know, where the names of each element cor

erik [133]

Answer:

age<-c(20,30,40)

names(age)<-c ("ELI", "ALI", "JON")age

## ELI ALI JON

## 20 30 40

Step-by-step explanation:

The above given vector named age consists of three elements. Each element consists of ages of three people, ELI, ALI and JON, such that 20 corresponds to ELI, 30 to ALI and 40 to JON.

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3 years ago

What is the answer to 3/x=-3/3x+5

Aleonysh [2.5K]

Answer:

$-\frac{5}{4} =x$

Step-by-step explanation:

We first need to bring x up into the numerator. I will find common denominators by multiplying both sides by each denominator.

$\frac{x(3x+5)}{1} *\frac{3}{x} =\frac{-3}{3x+5}*\frac{x(3x+5)}{1}$

This will eliminate both denominators and leave me with

$(3x+5)3=-3(x)\\9x+15=-3x$ after I simplify the parenthesis.

Now I will solve the equation for x by subtracting 9x from both sides.

$9x-9x+15=-3x-9x\\15=-12x$

Then divide by the coefficient of x.

$\frac{15}{-12}=\frac{-12x}{-12}$

$-\frac{5}{4} =x$

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4 years ago

Find the Value of the letter in the following question. Give your answers to 3 s.f.

navik [9.2K]

I'm sorry, but I don't understand ;-;

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3 years ago

What is the reading in kwh of the electric meter shown in the exam figure below?

Naya [18.7K]

<span>I think the answer is C but I would like someone to double check it for me please.</span>

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What are the solutions for the equation 2cos0+1=0 ?

Oksanka [162]

Answer:

2cos0=-1

cos0=-1/2

proved

4 0

4 years ago