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VikaD [51]
3 years ago
5

A TV has a listed price of $578.98 before tax. If the sales tax rate is 8.25%, find the total cost of the TV with sales tax incl

uded.
Round your answer to the nearest cent, as necessary.
Mathematics
1 answer:
SSSSS [86.1K]3 years ago
8 0

Answer:

$626.75

Step-by-step explanation:

<u>First, we must find how much tax will be added to the TV's price:</u>

<u>Step 1: Convert the percentage to a decimal:</u>

To convert a percentage to a decimal, divide it by 100

8.25/100 = 0.0825

<u>Step 2: Multiply the TV's price by that decimal:</u>

578.98 * 0.0825 = 47.76585

So $47.76585 will be added to the price

<u>Now, we can calculate the total price:</u>

<u>Step 3: Add the tax we jsut calculated to the TV's price to find total price:</u>

578.98 + 47.76585

= 626.74585

<u>Step 4: Round to the nearest cent (2 decimal places)</u>

626.75

So the total price is $626.75

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What is the common ratio and explicit formula for -2,6,-18,54?
Snezhnost [94]

Answer:

The explicit formula for a given geometric sequence is of the form

a_{4} =\frac{1}{(a_{1})^4}

Step-by-step explanation:

Given sequence is {\{-2,6,-18,54}\}

Let a_{1}=-2,a_{2}=6,a_{3}=-18,a_{4}=54

To find the common ratio r:

r=\frac{a_{2}}{a_{1}}

=\frac{6}{-2}

=-3

Therefore r=-3

r=\frac{a_{3}}{a_{2}}

=\frac{-18}{6}

=-3

Therefore r=-3

Therefore common ratio is -3

Therefore given sequence is geometric sequence.

The explicit formula for a geometric sequence is a_{n}=a_{1}^{r-1}, where common ratio is r.

From given sequence we are having  r=-3

Therefore the explicit formula for a given geometric sequence is of the form a_{4} =a_{1}^{-3-1}

a_{4} =a_{1}^{-4}

a_{4} =\frac{1}{(a_{1})^4}

6 0
3 years ago
Can you plz help me I don’t get it
levacccp [35]

35 feet.

\frac{mailbox height}{mailbox shadow}  

=

\frac{pinetree height}{pinetree shadow}

\frac{3}{4.8} = \frac{h}{56}

1.8<em>h</em> = 3 x 56

4.8<em>h</em> = 168

<em />

<em>h</em> = 35 feet.

5 0
3 years ago
Read 2 more answers
1+4=5<br> 2+5=12<br> 3+6=21<br> 8+11=
jek_recluse [69]
=12-5=7
=21-12=9
when u look at they have a diffrence of 2 so the answer will have a diffrence of 2 =11
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Can someone help me with this please?
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For the first image can you give us the choices for each one?
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Two customers went to a post office to buy posicaids and large enkelapes Fast posrcard
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