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Solnce55 [7]
2 years ago
7

PLZ HELP!!! EMERGENCY!

Mathematics
2 answers:
Ronch [10]2 years ago
7 0

Answer:

7/25 and 0.28 are equal.

Step-by-step explanation:

What you have to do first is the simplest thing: do 7 divided by 25. Don't round anything at all, since the answer will not be repeating. When you find the answer, see if they are both similar

serg [7]2 years ago
5 0

Answer:

In order to turn a fraction into a decimal, you must divide the numerator by the denominator.

Step-by-step explanation:

In order to solve this correctly, remember that since 7 isn't divisible by 25, add .0 to 7 to equal 7.0 or 70, and add 0. to the quotient, then do normal division, as 70 is divisible by 25.

7 ÷ 25 = 0.28.

0.28 = 0.28

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To see how much interest she'll get after a quarter:

$4132.79 + ($4132.79 × 0.048) = $4331.16

After two quarters:
$4331.16 + ($4331.16 × 0.048) = $4359.06

You can keep going until eventually reaching $8000 then see how many quarters has passed. That's a lot of calculator work!

There's another way that uses less calculation, but more algebra. I call it the exponential formula method! There's this general formula for stuff that increases exponentially, like virus, population, and MONEY:

m= d {e}^{tc}

M is money, d is deposit, t is time taken, and c is just some unknown constant related to the interest rate. There's also the natural logarithm form of this equation, which will come in handy later:

ln( \frac{m}{d} ) = tc

Alright first we gotta find that constant c for this equation to be useful! Let's plug in stuff we know.

ln( \frac{4331.16}{4132.79} ) = (0.25)c

We know how much she'll have after one quarter (0.25 years), and we know how much she deposited initially.

After pressing some buttons on the calculator we'll find that c = 0.1875.

Great! Now we can use that formula to find how many years (t) it'll take to reach M=$8000. To save time I'm going to use the natural log form:

ln( \frac{8000}{4132.79} ) = t(0.1875)

That will give us t = 3.522 which means it'll take approximately 3.5 years for her deposit to reach $8000!
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3 years ago
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Plot this function y in geogebra and see it yourself

There's no way I can graph the function on here in Brainly....

good luck ;)

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The third term of the sequence is 20
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Answer:

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Step-by-step explanation:

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GCF of 12, 16, 32 is 4.

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