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Inga [223]
2 years ago
9

The tax rate as a percent, r, charged on an item can be determined using the formula – 1 = r, where c is the final cost of the i

tem and p is the price of the item before tax. Louise rewrites the equation to solve for the final cost of the item: c = p(1 + ). What is the final cost of a $40 item after an 8% tax is applied?

Mathematics
2 answers:
Vladimir [108]2 years ago
5 0
Sent a picture of the solution to the problem (s).

klio [65]2 years ago
4 0

Answer:$43.20

Step-by-step explanation:

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Harley had $500 is his account at the beginning of the year. He spends $20 each week on food, clothing, and movie tickets. He wa
Lapatulllka [165]

Answer:

19 weeks

Step-by-step explanation:

Harley has an initial amount in his account = $500

He spends the amount each week = $20

He wants to have more than $100 in his account at the end of summer to purchase some new shoes.

We assume that he can withdraw the money from his account for 'w' weeks,

Inequality representing this situation will be,

(500 - 20w) > 100

Further solving this inequality,

-20w > 100 - 500

-20w > -400

w < 20

Therefore, Harley can withdraw the money for less than 20 weeks or 19 weeks.

7 0
3 years ago
Helen's shop is 60 meters wide and 80 meters long. The parking lot in front of Helen's shop is twice as long as it is wide and i
Ganezh [65]
Helen's shop and the parking lot are both rectangular in form. The area (A) of rectangle is the product of the length (L) and width (W). Mathematically, 
  
                                                 A = L x W

The area of Helen's shop is, A = (60 m) x (80 m) = 4800 m². That of the parking lot is, 
                                   A = 2W x W = 2(50 m) x (50 m) = 5000 m²

Thus, the sum of the areas is 9800 m².
6 0
3 years ago
you have $4000 with which to build a rectangular enclosure with fencing. the fencing material costs $30 per meter. you also want
77julia77 [94]

The enclosure can be as large as 606 m2 in total.

Given that,

Let x be length of y be width of enclosure

fencing material cost $ 30 / m

Partition material cost $25/m

Total cost = (x+x+y+y)x 30+(y + y) x 25

c= 60(x+y) + 50y = 60 x + 110 y

4000 = 60 x + 110y

y = ( 400 - 6x / 11)

Now,Area of enclosure = x*y

A = x*(400 - 6x / 11)

A'(x)= 400-12x/11

for maximum area A'(x) = 0

400 - 12x/11 = 0,12x = 400,x = 100/3

A " ( x) = - 12/11 < 0  i.e., maximum

y = 400 - 6( 400/12 ) = 200/11 m

Maximum area = xy = 100/3 * 200/11 = 20000/33

                                                            =606.0606

A max = 606m²

Hence, the maximum area you can achieve for the enclosure is 606m²

Learn more about Area :

brainly.com/question/20693059

#SPJ4

3 0
1 year ago
An angle measures 122 degrees more than the measure of its supplementary angle. what is the measure of each angle
Viktor [21]

Answer:

58 for the opposite angle and 180 for the regular angle

6 0
2 years ago
Can someone please help me out?
Dovator [93]
The answer is B

24 is three times the value of 8 and when you subtract 8 from 24 you receive a total of 16.
4 0
3 years ago
Read 2 more answers
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