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Troyanec [42]
3 years ago
5

The sales tax for a certain state can be found by multiplying the purchase price by 1/20 . What is the sales tax on an item that

is $25.60? Express your answer as a decimal. $
Mathematics
2 answers:
lyudmila [28]3 years ago
8 0
An item that cost a total of $25.60 would have a sales tax of $1.28.

$25.60 / 20 = $1.28
$25.60 x 0.05 = $1.28
Nuetrik [128]3 years ago
5 0
The answer is $1.28 sale tax
Step-by-step explanation:
Multiply the cost of the item times 0.05 to get the amount of the sales tax:
25.60 * 0.05 = $1.28 sales tax
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With 128 134 140 146 152 what's the next number if the pattern continues
mario62 [17]
To find the answer, you need to determine what the difference is. In this case, the difference is 6. 

134 - 128 = 6
140 - 134 = 6
146 - 140 = 6
152 - 146 = 6

So, to find the answer you would add 6 to the next set of numbers to continue the pattern. For example - 

152 + 6 = 158
158 + 6 = 164

8 0
3 years ago
The ratio of 96/3 please help
docker41 [41]
\frac{96}{3}= \frac{ \frac{96}{3} }{ \frac{3}{3} }= \frac{32}{1}   =32
7 0
3 years ago
Write down the quadratic equation whose roots are $x = -7$ and $x = 1,$ and the coefficient of $x^2$ is 1. Enter your answer in
pav-90 [236]
<h2>Steps:</h2>

So firstly, since we know that the coefficient of x² is 1, this means that this is our base equation:

y = x² + bx + c

Now, since we know that the roots are -7 and 1, set y = 0 and set x = -7 and 1 and simplify:

0=(-7)^2+b(-7)+c\\0=49-7b+c\\-49=-7b+c\\\\0=1^2+b(1)+c\\0=1+b+c\\-1=b+c\\\\-49=-7b+c\\-1=b+c

Now with this, we can set up a system of equations to solve for b and c. For this, I will be using the elimination method. For this, subtract the 2 equations:

\begin{alignedat}{2}-49&=-7b+c\\-(-1&=b+c)\\-48&=-8b\end{alignedat}

Now that the c variable has been eliminated we can solve for b. For this, divide both sides by -8 and your first part of your answer is b = 6.

Now that we know the value of b, plug it into either equation to solve for c:

-49=-7(6)+c\\-49=-42+c\\-7=c\\\\-1=6+c\\-7=c

<h2>Answer:</h2>

<u>Putting it together, your final answer is x² + 6x - 7 = 0.</u>

4 0
3 years ago
PLEASE HELP QUICK!!!!!!
just olya [345]

Answer:

i may not be correct idk but i think its a because it would have to be in between 2.5 and 4.3

Step-by-step explanation:

3 0
3 years ago
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How much is nine times eight ?​
liubo4ka [24]
8 x 9 = 72

So 72 is your answer
3 0
3 years ago
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