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3 years ago

A savings account earns 8% interest each year, compounded annually. If a person invests

Mathematics

1 answer:

Lyrx [107]3 years ago

6 0

Answer:

100(1+8/100)5=146,93

Step-by-step explanation:

then take 100-146,93=46,93

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Carlos wants to practice piano 2 hours each day. He practices piano for 3/4 hour before school and 7/10 hour when he gets home.

kiruha [24]

Answer

Find out the how many hours has Carlos practiced piano .

To prove

As given

$He\ practices\ piano\ for\ \frac{3}{4}\ hour\ before\ school.$

$\frac{7}{10}\ hour\ when\ he\ gets\ home.$

Than

$Total\ hours\ carlos\ practiced\ piano = \frac{3}{4} + \frac{7}{10}$

L.C.M of (4,10) = 20

$Total\ hours\ carlos\ practiced\ piano = \frac{3\times 5+7\times 2}{20}$

$Total\ hours\ carlos\ practiced\ piano = \frac{15+14}{20}$

$Total\ hours\ carlos\ practiced\ piano = \frac{29}{20}\ hours$

Therefore the total hours Carlos practiced piano is 1.45 hours .

4 0

3 years ago

Read 2 more answers

Tony has $727.29 in his checking account. He must maintain a $500 balance to avoid a fee. He wrote a check for $248.50 today. Wr

Y_Kistochka [10]

727.29 - 248.50 = 478.79

500-478.79 = 21.21

$21.21 is the least amount of money he needs to deposit

7 0

3 years ago

Read 2 more answers

Inverse of f(x) = x2 − 9

luda_lava [24]

To find the inverse of a function, replace every x in the equation with a y, and replace every y in the equation with an x:

$x = y^{2} - 9$

Add 9 to both sides:

$y^{2} = x + 9$

Square root both sides to get y by itself:

$y = \sqrt{x+9}$

This equation can be simplified by taking the square root of 9 out of the root:

$\sqrt{9} = 3$
$y = 3 + \sqrt{x}$

The inverse of this function is y = 3 + √x.

7 0

3 years ago

Read 2 more answers

Which of the following us the graph of you=5

JulijaS [17]

Y = 5

i think that what you meant

so the point will be (0,5) and will be a horizontal line at y=5

hope that helps