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Leya [2.2K]
3 years ago
6

An item costs $440 before tax, and the sales tax is $30.80.

Mathematics
1 answer:
JulsSmile [24]3 years ago
4 0

Answer:

7%

Step-by-step explanation:

30.80%=0.308

0.308/440=0.0007%

0.0007 is the same as 7%

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A box with a square base and no top is to be made from a square piece of carboard by cutting 7 in. squares from each corner and
mojhsa [17]

Answer:

The size of the cardboard should be  26  in\ by\ 26in

Step-by-step explanation:

The diagram for this question is shown on the first uploaded image

     The volume of the box is  V = 2527  \ in ^3

The length and the Width of the card is  

      L = W = Z

From the question we are told that 7 in squares were cut from each corner

So the length and the width of the box  would be  

              L = W = (Z - 7)

And the height would be  H  =  7 in

Mathematically the volume of the box can be represented as

              V  = Length\ of\ bx  * Width\ of\ box * Height\ of\ box

So the Volume would be

         V =  (Z-7)(Z-7) * 7

Substituting values

         (Z-7) ^2 = \frac{2527}{7}

          (Z-7) ^2 = 361  

          (Z-7) ^2 = 19^2

=>   Z - 7 = 19

        Z = 19 + 7

         Z =26 \ in    

     

7 0
3 years ago
makayla wanted to buy cookies for the class the cookies are in 1 package? how many cookies are in 10 packages how many cookies i
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Answer:

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Step-by-step explanation:

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3 years ago
Jesse needs at least 600 tabs of chlorine for next months pool cleaning routes. He already has 175 chlorine tabs in the warehous
natima [27]

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about 8

Step-by-step explanation:

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3 years ago
Pleaseee helpppp answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
Anit [1.1K]

Answer:

540°

General Formulas and Concepts:

<u>Math</u>

  • Counting

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Geometry</u>

  • Sum of Angles: 180(n - 2)°

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a 5-sided polygon (irregular pentagon)

n = 5

<u>Step 2: Find Sum</u>

  1. Substitute in <em>n</em> [Sum of Angles]:                                                                    180(5 - 2)°
  2. (Parenthesis) Subtract:                                                                                   180(3)°
  3. Multiply:                                                                                                           540°
5 0
3 years ago
Read 2 more answers
The price of a sweatshirt at a local shop is twice the price of a pair of shorts. The price of a T-shirt at the shop is $4 less
fomenos

Answer:

The answer to your question is below

Step-by-step explanation:

Equation 1

                            $sweatshirt = 2 pair of shorts

                                    <u>  w = 2h</u>

Equation 2

$t-shirt = $pair of shorts  - $4

                                <u>      t = h - 4</u>

Equation 3

Total cost = 3 sweatshirts + 2 pairs of shorts + 5 t-shirts

<u>Total cost = 3w + 2h + 5t = 136 </u>    

5 0
3 years ago
Read 2 more answers
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