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3 years ago

9

Why is it important to know your income?

1 answer:

olga_2 [115]3 years ago

5 0

Answer:

The reason why it is important to know your income is because when you are budgeting for things like life expenses, it's a key essential to basically know your total income weather it is of the month or of the year. Although we have to understand another important thing about income which is the gross annual income, which is how it will be relating to a person's net income, this will also make your financial life a lot more easier.

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30 POINTS!!!!!! PLEASE HELP/WILL MARK BRAINLIEST!! QUICK

Ivanshal [37]

1) 64

2) 1/8

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3 years ago

I’ll give brainliest please help

Vsevolod [243]

Answer:

60% increase

Step-by-step explanation:

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3 years ago

(1 point) Carbon dating is often used to determine the age of a fossil. For example, a humanoid skull was found in a cave in Sou

Aleksandr [31]

Answer:

The estimated age of the skull is 39118 years.

Step-by-step explanation:

The amount of the substance after t years is given by:

$A(t) = A(0)(1-r)^t$

In which A(0) is the initial amount, and r is the decay rate.

The half-life of carbon-14 is about 5600 years.

This means that $A(5600) = 0.5A(0)$ . We use this to find r, or 1 - r, to replace in the equation. So

$A(t) = A(0)(1-r)^t$

$0.5A(0) = A(0)(1-r)^{5600}$

$(1-r)^{5600} = 0.5$

$\sqrt[5600]{(1-r)^{5600}} = \sqrt[5600]{0.5}$

$1 - r = (0.5)^{\frac{1}{5600}}$

$1 - r = 0.9999$

So

$A(t) = A(0)(0.9999)^t$

Only 2% of the original amount of carbon-14 remains in the burnt wood of the campfire.

This is t for which $A(t) = 0.02A(0)$ . So

$A(t) = A(0)(0.9999)^t$

$0.02A(0) = A(0)(0.9999)^t$

$(0.9999)^t = 0.02$

$\log{(0.9999)^t} = \log{0.02}$

$t\log{0.9999} = \log{0.02}$

$t = \frac{\log{0.02}}{\log{0.9999}}$

$t = 39118$

The estimated age of the skull is 39118 years.

6 0

3 years ago

Yuri has 2/7 of a bag of carrots if she eats half of the carrots what fraction of the bag of carrots will she have left

aleksandr82 [10.1K]

Answer:

It would be <u>1/7</u>

Because since it’s 2/7, half of 2 is one

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3 years ago

In March, April, and June it rained 2 inches. In February, May, and September it rained 1 inch In August and

makkiz [27]

Answer:

i have no idea cause there is no picture of the line plots.

Step-by-step explanation:

sorry couldn't help

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4 years ago

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