MATHEMATICS HIGH SCHOOL

A book is marked down by 28 percent from an original price of $19.50. What is the new price?

Answers

Answer 1
Answer:

Answer: The new price of the book = $14.04

Step-by-step explanation:

We are given that, the original price of book = $19.50

Price marked down by 28 percent, that means the original price of the book was decreased by 28%.

Also, 28%= 0.28  [we divide % by 100 to convert it into decimal]

Then , the new price is given by :-

New price = (Original price) - ( Marked down percentage)  x (Original price)

= ($19.50)- (0.28) ($19.50)

= ($19.50)(1-0.28)

= ($19.50) (0.72)

= $14.04

Therefore , the new price of the book = $14.04
Answer 2
Answer: First find 28% of $19.50:

($19.50) / (100) x (28) = $5.46

Now minus the 285 from the original price:

($19.50) - ($5.46) = $14.04

The answer is $14.04
Hope it helped :)

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Help help help help math

Answers

Radius is half the diameter.

The diameter is shown as 16, so the radius would be 16/2 = 8 in.

Area = 3 x 8^2

Area = 3 x 64

Area = 192 square inches

Answer:

A = 192

Step-by-step explanation:

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What is the value of k for the inverse variation
function?
k=
DONE

Answers

Answer:

19,800

Step-by-step explanation:

Answer:

k=19800

k represents the number of gallons of water needed to fill the pool

third is y=19800/x

Step-by-step explanation:

Scott puts some sports in rowhe makes 6 rows with 5 stickers in each row.If he puts the same number of stikers in 5 equal row how many stickers would be in each row? How do you know

Answers

We know that Scott has put 6 rows with 5 stickers each.

The total number of stickers available with Scott = 5*6 = 30 stickers

These 30 stickers are now placed in 5 rows with equal number of stickers in each row.

Number of stickers in each row= Total number of stickers available/number of rows

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Enter the value of p so the expression 5/6 - 1/3n is equivalent to p(5-2n).

Answers

Let's solve for p when the two expressions are equal.

p(5-2n)=\frac{5}6 - \frac{1}3n \n\n p=\frac{\frac{5}6-\frac{1}3n}{5-2n}*\frac{6}6= (5-2n)/(6(5-2n)) = \boxed{\frac{1}6}

What is the length of the line segment in the x-y plane with end points at (-2,-2) and (2,3)?Can anyone explain me how to make this one step by step?

Answers

You've got a formula. If the two endpoints are A(x_A,y_A) and A(x_B,y_B), then the length is √((x_B-x_A)^2+(y_B-y_A)^2). The result is √(16+25)=√(41).

S = vt + 16t2 for v.

Answers

Answer:

s = vt + 16t^2

s -16t^2 = vt

s/t -16t = v

Answer:

v = s/t -16t

Step-by-step explanation:
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