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Lorico [155]
3 years ago
7

Ernie bought a new DVD that cost $12 before tax. Tax on the DVD is 8.25%. What is the total cost of the DVD including tax?

Mathematics
1 answer:
hodyreva [135]3 years ago
7 0

After tax it will cost $12.99.

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16. Using a standard 52 card deck, what is the probability of pulling the king of hearts if you are
Soloha48 [4]

Answer:

Step-by-step explanation:

The way to do this (I think) is to figure out the probability of not getting said king on either throw.

First Throw: P(no King Hearts) = 51/52

Second Throw: P(no King Hearts) = 50/51

Total probability = 51/52*50/51 = 50/52

Therefore the probability of getting it right is

P(KH) = 1 - 50/52 = 2/52 = 1/26

I have a feeling that this is not correct. If you get a different answer  that looks reasonable, take it.

7 0
3 years ago
Convert: 15°C to °F<br><br> -9<br> -31<br> 59<br> 164
Anton [14]
15 is 59
-9 is 15.8 so 16
-31 is 28.8 so 29
59 is 138.2
164 is  327.2


6 0
3 years ago
Is 4 quartes greater than 10 pints
riadik2000 [5.3K]
No, 4 quarts= 8 pints. That's less
4 0
3 years ago
Read 2 more answers
Consider the multivariable function f\left(x,y,z\right)=\frac{x^3-2.5y^2+\frac{z}{2}}{z\left(x-y\right)}f ( x , y , z ) = x 3 −
Lelu [443]

Answer:

f\left(2,3,1\right)=\bold{14}

Step-by-step explanation:

Given the function:

f\left(x,y,z\right)=\frac{x^3-2.5y^2+\frac{z}{2}}{z\left(x-y\right)}

To find:

The value of f(2, 3, 1) = ?

Solution:

f(2, 3, 1) means the values of x, y\ and\ z as:

x=2\\y=3\\z=1

Let us put the given values in the given function and let us solve for it:

\Rightarrow f\left(2,3,1\right)=\dfrac{2^3-2.5\times 3^2+\frac{1}{2}}{1\left(2-3\right)}\\\\\Rightarrow f\left(2,3,1\right)=\dfrac{8-2.5\times 9+0.5}{1\left(-1\right)}\\\\\Rightarrow f\left(2,3,1\right)=\dfrac{8-22.5+0.5}{-1}\\\\\Rightarrow f\left(2,3,1\right)=\dfrac{-14}{-1}\\\\\Rightarrow f\left(2,3,1\right)=\bold{14}

Therefore, the answer is:

f\left(2,3,1\right)=\bold{14}

8 0
3 years ago
(4x-4) (3x+17)<br><br> The lines. intersect at point C. What is the value of X?
Marina86 [1]

Answer:

(21, 80)

Step-by-step explanation:

We have the two lines y = 4x -4  and y = 3x + 17. The point 'C' will be given by the interception of them, as follows:

4x -4 = 3x + 17

Solving for 'x':

x = 21

Now, to find 'y' we have:

y = 4(21) -4 = 80

Therefore, they intercept at: (21, 80)

7 0
3 years ago
Read 2 more answers
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