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Artemon [7]
3 years ago
7

the sales tax in one town is 8% so the total cost of an item con be written as c plus 0.08c what is the total cost of an item th

at sells for $12
Mathematics
1 answer:
Anastasy [175]3 years ago
5 0

Answer:

$12.96

Step-by-step explanation:

The cost of the item = $12.00


The tax on the item = 12 times 0.08 =$0,96


So the total cost = $12.00 plus $0.96 = $12.96


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At a sale, dresses were sold for $90 each. This price was 75% of a
gulaghasi [49]

Answer:

A dress originally costs $120

Step-by-step explanation:

To find the original cost of the dress, we will follow the steps below;

let x represent the original cost of the dress

75% of x  = $90

\frac{75}{100}  ×    x   = $90

\frac{75X}{100}  =   $90

MULTIPLY both-side of the equation by 100

\frac{75X}{100} × 100 =   $90×100

At the right-hand side of the equation, 100 will cancel out 100, leaving us with just 75x

75x = $9000

DIVIDE both-side of the equation by 75

75x/75 = $9000/75

At the left-hand side of the equation 75 will cancel-out 75 leaving us with just x

x=  $9000/75

x = $120

A dress originally costs $120

3 0
3 years ago
If the present value of an investment is $5,000, what will be its future value in three years if you apply a compound interest o
Nimfa-mama [501]
5000(1+0.05)^3==5,788.125
4 0
3 years ago
Mrs. Baxter deposits $2000 in an account that earns 5% interest. How much is Mrs. Baxter's investment worth after 8 years
Trava [24]

Answer:

2954.91088758

Step-by-step explanation:

exact answer

6 0
3 years ago
[Related Rates]
Orlov [11]
Below is the solution: 

A(final)=16cm^2 ds/dT=6 da/dT=? 

<span>A=(s)^2 A=16cm^2 , s=sqrt(A) , s=sqrt(16) , s=4cm </span>

<span>da/dT=2(s)(6cm/sec) , da/dT=12cm/sec(s) , da/dT=12cm/sec (4cm) 
</span>
<span>Answer should be da/dT=48cm^2/sec
</span>
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

6 0
3 years ago
PLEASE HELP!!! NEED HELP ASAP !!! WILL MARK BRAINLIEST !!!
Aleks04 [339]

Answer:

36 π square feet

Step-by-step explanation:

so the formula for area of a circle is  πr^2

so the radius is 6, which we can just plug in

π(6)^2

36π

so option 3

5 0
3 years ago
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