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Georgia [21]
3 years ago
5

Jane Martin-Smith and her husband deposited $500 in an account on their wedding day and each subsequent anniversary. The money w

as deposited in an account that pays 7 percent compounded annually. How much will they have on their 25th anniversary?
Mathematics
2 answers:
PolarNik [594]3 years ago
8 0

Answer:

On their 25th anniversary, their account will have $850

Step-by-step explanation:

7% per year for 25 years is 170%

170% of 500 is 850

I hope this helps!

love history [14]3 years ago
3 0
Nolur acil lütfen yalvarırım sana ueuuwu wuyahshkdlben ne zaman istersen o
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Answer:

its B

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How many halves are in three wholes
vlabodo [156]

Answer:

6

Step-by-step explanation:

1/2 + 1/2 = 1

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There are 6 halves that equal 3.

Another way to do this is:

1/2x = 3

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A sidewalk is built 12 bricks wide by laying each brick side by side.how many inches wide is this sidewalk is each brick measure
yaroslaw [1]

To solve for the width simply multiply the two numbers:

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3 years ago
Read 2 more answers
There are 7800 grams of lodine that have a half-life of 8 days. How much lodine will remain after 40 days?
anygoal [31]

Given that we know the initial mass of Iodine and its half-life, we want to see how much will remain after 40 days.

After 40 days, 244.17 grams of Iodine will remain.

<h3 /><h3>The half-life of materials and how to use it:</h3>

The half-life of a material is the time it takes for that amount of material to reduce to its half.

We can model the amount of Iodine as:

A(t) = A*e^{k*t}

  • Where A is the initial amount, in this case, 7800g.
  • k is a constant that depends on the half-life.
  • t is the time in days.

Replacing what we know, we get:

A(t) = 7800g*e^{k*t}

Now we use the fact that the half-life is 8 days, this means that:

e^{k*8} = 1/2

ln(e^{k*8}) = ln(1/2)

k*8 = ln(1/2)

k = ln(1/2)/8 = -0.0866

Then the function is:

A(t) =  7800g*e^{-0.0866*t}

So now we just need to evaluate this in t = 40.

A(40) = 7800g*e^{-0.0866*40} = 244.17g

So, after 40 days, 244.17 grams of Iodine will remain.

If you want to learn more about half-life and decays, you can read:

brainly.com/question/11152793

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2 years ago
Which statements are true? Check all that apply.
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Step-by-step explanation:

A is in Quadrant I

D is in Quadrant III

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