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xeze [42]
2 years ago
5

A laptop has a listed price of 827.95 before tax. If the sales tax rate is 8.75%, find the total cost of the laptop with sales t

ax included.
Mathematics
1 answer:
mel-nik [20]2 years ago
8 0

Answer:

$900.40

Step-by-step explanation:

Multiply 827.95 by the sales tax rate of 0.0875 which gets you 72.445625. add 827.95 to this and round, giving you 900.40.

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Your friend Sarah invests $2000 in an account when she starts college that pays 6.5% annual interest. How much will be in your f
xz_007 [3.2K]

assuming simple interest.


\bf ~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$2000\\ r=rate\to 6.5\%\to \frac{6.5}{100}\dotfill &0.065\\ t=years\dotfill &4 \end{cases} \\\\\\ A=2000[1+(0.065)(4)]\implies A=2000(1.26)\implies A=2520

8 0
3 years ago
You do parenthesis first right? And then do division?
IrinaK [193]
Yes. Parenthesis first, then if any exponents, then multiplication or division, then addition and subtraction. PEMDAS. 
4 0
3 years ago
Read 2 more answers
Slove the equation r+ 3 = (r - 5)<br><br> explain step by step please
grigory [225]

Answer:

no solutions

Step-by-step explanation:

<u>Solving</u>

Step 1: Subtract 3 from both sides.

  • r+3-r=r-5-r
  • 3=-5

Step 2: Subtract 3 from both sides.

  • 3-3=-5-3
  • 0\neq -8

Therefore, there are no solutions to this equation.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

4 0
2 years ago
Read 2 more answers
Vehicle a averages 14 miles per gallon of gasoline, and vehicle b averages 36 miles per gallon of gasoline. at these rates, how
Dima020 [189]
72 or 28 is the answer i hope this helped you :)
3 0
4 years ago
I need some help on my math test!!, I get to retake it but I need help with some of it:
Greeley [361]

Answer:

B

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = \frac{1}{2}, thus

y = \frac{1}{2} x + c ← is the partial equation

To find c substitute (- 4, - 9) into the partial equation

- 9 = - 2 + c ⇒ c = - 9 + 2 = - 7

y = \frac{1}{2} x - 7 ← equation of line

7 0
3 years ago
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