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lozanna [386]
3 years ago
5

A person plans to invest three times as much in an account at 3.1% interest as in an account at 13% annual interest. How much sh

ould the person invest in each account to earn $750 in one year
Mathematics
1 answer:
vlabodo [156]3 years ago
8 0
Is this even possible?
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-9x-6y=15,9x-10y=145
vazorg [7]

-9x-6y=15

9x-10y=145

Find y first by eliminating the x.

Add the two equations together.

-9x+9x-6y+-10y=15+145

-6y+-10y=15+145

-6y-10y=160

-16y=160

divide both sides by -16 to get +y

-16y/-16=160/-16

y=-10

Use the substitution method to find x

-9x-6y=15

-9x-6(-10)=15

Do the bracket first

-9x+60=15

Move +60 to the other side. Sign changes from +60 to -60.

-9x+60-60=15-60

-9x=-45

Divide both sides by -9

-9x/-9=-45/-9

x=5

Answer:

( 5,-10)

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3 years ago
In 2010, the world's largest pumpkin weighed 1,810 kilograms. An average-sized pumpkin weighs 5,000 grams.
Marina86 [1]

1805kg more.  1000g=1kg so 5000g=5kg then 1810kg-5kg=1805kg
8 0
3 years ago
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The number of buttons an industrial button machine can manufacture each hour, y, varies directly with the number of active hours
-Dominant- [34]

Answer:

lol

Step-by-step explanation:

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3 years ago
What is Pi? In mathematics?
kati45 [8]

Answer:

Pi is equal to 3.14...

it is ratio of a circle's circumference to its diameter.

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You are the administrator of an annual essay contest scholarship fund. This year a $90,000 college scholarship is being divided
Vinil7 [7]

Answer:

Runner-up: $15,000

Winner: $75,000

Step-by-step explanation:

Let's create an equation for this problem.

Let x=the amount the runner-up receives

Let 5x=the amount the winner receives

Then,

x+5x=90,000

6x=90,000

x=15,000

5x=75,000

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3 years ago
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