A violin was on sale of 50% off. the sale price is $50. what was the original price

Answers

Answer 1

Answer: In the given question, there are several important information's that have been given. based on these information's the correct answer to the question can be determined. It is already given that the selling price is $50. 50% off has already been declared.
Then
The amount of sale given on the violin = (50/100) * 50 dollars
= 25 dollars.
So the sale that has been given on the violin is $25.
Then the original price of the violin = (50 + 25) dollars
= 75 dollars
So the original price of the violin was $75.

Answer 2

Answer: If it is on sale for half off and the price comes down to $50 then the original price must have been $100. 50%=50/100. With $50 is 50% of 100

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- 18 < - 3x + 9 < 12

Answers

Answer:

9>x>−1

Step-by-step explanation: Brian list?

Carlos needs to memorize words on a vocabulary list for French class. He has memorized 30 of the words, which is three-fifths of the list. How many words are on the list?

Answers

a neat trick for this problem is that you can easily multiply 3 by a number to make it 30. (3x10=30). using the same number, multiply it by the denominator. 5x10=50. the answer is 50 (3/5 x 10/10 = 30/50 without changing the original ratio)

What is the difference between the absolute value of -8 and the absolute value of 6?O 2
O 8
O 14
0.16

Answers

Answer:

Step-by-step explanation:

Since the absolute value of -8 is 8, and the absolute value os 6 is 6, we can

do 8-6=2.

Yh plss I need an answer to this question plss

Answers

Question:

A boy makes a cone of diameter 28 cm without a base. He then cuts a smaller cone of diameter 20 cm from the cone. He used the bottom part as a lampshade. If the height of the lampshade is 11cm,

(a) find the volume of the whole cone.

(b) find in cm2, the area of the material used to make the lampshade.

Answer:

(a) V ≈ 16420.1

(b) A ≈ 2690.1 cm²

Step-by-step explanation:

Solution for (a)

Formula: The formula for the volume of a cone is V = 1/3 hπr².

V= πr² h/3 = π × 28/ 2 × 20/ 3 ≈ 16420.0576

16420.0576 in nearest tenths is 16420.1

Therefore, the volume of the whole cone is 16420.1 cm²

Solution for (b)

Formula: A = πrl + πr2.

l = r² + h²

Solving for A

A = πr (r + h²+ r²) = π × 20 × (20 + 112 + 202) ≈ 2690.80077

2690.80077 In nearest tenths, is 2690.1

Therefore, the area of the material used to make the lampshade is 2690.1 cm²

Justify each step in solving the equation  by writing a reason for each statement.

Answers

Step-by-step explanation:

We are provided with an equation and are required to give reasons on how we got the final answer.

(1.) The equation is -3(2x-3) = 25-8x is given.

(2.) In this step, we have simplified the left hand side of the equation by opening the bracket i.e. -6x+9 = 25-8x

(3.) Here, the terms containing 'x' are brought to the left hand side of the equation and simplified i.e. 2x+9 = 25

(4.) Now, the constant terms of the equation are brought to the right side of the equation and simplified i.e. 2x = 16.

(5.) Lastly, the whole equation is divided by 2 in order to get the value of 'x' i.e. x = 8.

-2 3/7 + b = 6 1/7 A. b = 3 5/7

B.b= 4 2/7

C. b = 8 2/7

D. b = 8 4/7

Answers

Hello,

b=6 1/7 + 2 3/7
==>b=(6+2)+(1/7+3/7)
==>b=8 4/7
Answer D

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