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pickupchik [31]
2 years ago
8

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

19.49? Express your answer as a decimal rounded to the nearest hundredth.
Mathematics
1 answer:
Tamiku [17]2 years ago
6 0
Ok any more details or is that the question?
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Judy pays $29 for 8 gallons of gas and 2 bottles of water. Carmen pays $45 for 12 gallons of gas and 4 bottles of water. How muc
Dmitry [639]
G=gas
w=bottle of water

8g + 2w = 29
12g + 4w = 45
I'm going to use elimination to cancel out the variable w by multiplying the first equation by -2.

-16g - 4w = -58
12g + 4w = 45
-4g = -13
/-4 /-4
g = 3.25

Now plug it into an equation, any equation.
8 (3.25) + 2w = 29
26 +2w=29
w=1.5
Now to check, plug it into both equations if you want.

12 (3.25) + 4 (1.5)=45
39 + 6=45

One bottle of water is $1.50, while one gallon of gas is $3.25.
5 0
3 years ago
-4x 3y = -2<br><br> y = x -1
MA_775_DIABLO [31]

Answer:

The answer is:  X= -1 and y= -2 so <em><u>(-1,-2)</u></em>

hope this helps

5 0
2 years ago
Solve the problem.<br> Find the diameter of a circle that has a circumference of 942 meters.
solong [7]
The answer to the problem is 299.85 m.
3 0
3 years ago
How many times will 1/5 go into 37?
Afina-wow [57]

Answer:

185 times

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 18
kogti [31]

Answer: One side could be 18 and the other side will be 33.

Step-by-step explanation:

  • Side #1 = 18
  • Side #2 = 2x - 3
  • Side #3 = x

<u>One way of setting up the inequality is: Side #2 + Side #3 > Side #1</u>

<u />2x-3+x>18\\3x-3>18\\3x>18+3\\3x>21\\x>7

<u>Another way of setting up the inequality is: Side #1 + Side #3 > Side #2</u>

<u />18+x>2x-3\\18+3>2x-x\\x<u />

<u>Final way of setting up the inequality is: Side #1 + Side #2 > Side #3</u>

<u />18+2x-3>x\\15>x-2x\\15>-x\\x>-15<em />

<em>Therefore, we have the range for our value of x, which is between 7 and 21. Any possible value between works. Negative measurements are rejected. One of the sides would equal the x-value, while the other side would equal the value of 2x-3.</em>

3 0
3 years ago
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