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Zolol [24]
3 years ago
12

Martin finds a shirt on sale for 20% off at a department store. The original price was $20. Martin must also pay a 7.5% sales ta

x.
Part 1 out of 2
How much is the shirt before taxes are applied?

Before taxes, the shirt is $_____
Mathematics
2 answers:
Pani-rosa [81]3 years ago
4 0
20% is basically 0.20 in percentage.

So 20 x 0.20=4 (20% of 20 is 4)

So then you subtract 20-4 to get 16

The shirt is $16 before taxes are applied
mars1129 [50]3 years ago
3 0

Answer: You will pay $13.52 for this shirt.

Step-by-step explanation: 0.9435

Since the tax is 7.5%, you have to multiply 12.58 by 7.5% to find the amount of money paid as tax.

7.5% = 0.075

12.58 x 0.075 = 0.9435

Since we are dealing with money we have to round to the nearest hundredth -- 0.9435 = 0.94

Then to find the final cost of the shirt, we have to add 12.58 and 0.94 to get  $13.52.

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The distance from earth to the sun is thought to be 1.496 × 108 kilometers. What is this distance when in standard notation?
just olya [345]

Answer:

I think it is 149,600,000.

Step-by-step explanation:

If the 8 is supposed to be the exponent. Then you move the decimal 8 times to the right.

4 0
3 years ago
Convert 4/3 to an mixed number
wariber [46]
1 1/3. One whole number is 3/3 so 3/3=1 then u put 1/3
4 0
3 years ago
What is the value of the expression f(-3) + 2f(-1) - f (4)<br><br> PLEASE HELP NO LINKS
Bas_tet [7]

Answer:

22

Step-by-step explanation:

Find f(-3) :

f(x) = x² + 2x for x ≤ -3

That means for those values of x, less than or equal to -3, this is the function.

So, f(-3) = (-3)² + 2(-3) = 9 - 6 = 3

Now, f(-1) :

From the given data, we see it is: f(x) = 2 (\frac{1}{3} )^{2x}

We take this because -1 lies between -3 and 4.

Now, f(-1) = 2 (\frac{1}{3} )^{2(-1)}

 => f = (-1) = 2(3)^{2} = 2 (9) = 18

For f(4) :

Clearly, the function is: f (x) = \frac{2x - 5}{x-7}

f (4) = \frac{2(4)-5}{4-7} = \frac{3}{-3} = -1

Therefore, <u>f(-3) + f(-1) - f(4) = 3 + 18 - (-1) = 3 + 18 + 1 = 22.</u>

5 0
3 years ago
3.5 hours: $10 1/2 hour: $1.25. which is the better deal
andrey2020 [161]
3.5 hours: $10 because if a 1/2 hour equaled 1.25 : 3.5 hours would give you $7.75
8 0
3 years ago
9(2x-1)=3(x+2)+3x  solve the equation thanks so much for your help guys or girls you have no idea how helpful it is :)
stealth61 [152]
9(2x-1)=3(x+2)+3x

18x-9=3x+6+3x

18x-9=6x+6

18x-6x=6+9

12x=15

x=15/12

x=5/4
5 0
3 years ago
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