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kotykmax [81]
3 years ago
9

You want to buy two new seat covers for your car. The seat covers cost $19.75 each. The tax for your purchase is 7%. How much mo

ney will you have to spend? Round to the nearest hundreth.
Mathematics
2 answers:
stellarik [79]3 years ago
5 0
You will have to spend exactly 138 cents for the tax. For the entire seat, it will be 21 dollars and 6 cents.
Maurinko [17]3 years ago
4 0
Tax is 138 cents and money owed it 21 dollars and 6 cents
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Approximately how many times greater is 1.2×103 than 4×10−1 ?
Galina-37 [17]
3000 Quick answer
Let your calculator do the work. Be careful how you enter this in. (Are you supposed to estimate it? We'll get around to that.) Write it like this.

1.2 * 10^3 divided by 4 * 10^-1 Your calculator will do this nicely. The trick is the - 1. Put it in the calculator like this.
1.2 
*
10
^
3
=
÷
4
*
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^
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= The calculator should read 3000
That's one way to do it. Another way is just to do it all by hand. The numbers are easy enough
1.2 * 10^3 means shift the decimal 3 places right. 1 200 which is 1200
4 * 10^-1 can be handled 2 ways 10 to the minus 1 in the denominator becomes 10^1 in the numerator. Notice the sign change on the 10 when you shift if :it becomes plus! That's why you did it.

1200 * 10^1 
12000

Now you are still left with 4 in the denominator.
12000/4 = 3000. 

The first method always works. The second one gives you a better understanding of how powers work. There are other ways of doing this, but these are the two best, I think.
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3 years ago
Help me somebody plssss
xenn [34]
They are similar. Both isosceles triangles
8 0
3 years ago
Add fraction 6 4/5 + 3 7/10 how do i add this fraction
Dafna1 [17]
The answer is 10 1/2.

First you need to convert 4/5 and 7/10 so the denominator is the same. 4/5=8/10, 7/10 stays the same.

Now we add= 6 8/10 +3 7/10 =9 15/10.
9 15/10=10 5/10=10 1/2.

Hope this helps and hope you have a great day and please make brainiest
7 0
3 years ago
Read 2 more answers
The length of the hypotenuse of a 30 - 60 - 90 triangle is 16 cm.
xeze [42]

Answer:

8, 8x square root of 3

Step-by-step explanation:

16=2x

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3 years ago
7th grade work really need help on this!
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