MATHEMATICS HIGH SCHOOL

A furniture store owner buys a sofa for $400 and marks it up %90 to sell it. During the stores anniversary sale she sells the sofa for %25 off. How much profit will the store owner make on the sofa during the anniversary sale?

Answers

Answer 1
Answer:

Answer:

Anniversary sale price= $570

Step-by-step explanation:

Giving the following information:

Purchase cost= $400

Mar-up percentage= 90%

First, we need to calculate the "normal" selling price:

Selling price= 400*1.9= $760

Now, we can determine the anniversary sale price:

Anniversary sale price= 760 - (760*0.25)= $570

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What is the solution of the equation? 17=2/3n+3

Answers

First, you should add -3 on both sides of the equation so you will have:
17 - 3 = 2/3n 
14 = 2/3n 
now you can multiply both sides by 3:
(14)3 = (2/3n)3 
42 = 2n 
42/2 = n 
21 = n :)))
I hope this is helpful
have a nice day 

Answer: n = 24  for the expression 17=2/3n+3

Step by step explanation:  

Step 1: simplify the equation

17 = 2/3n + 3  

Solve the right hand side of the equation          

17 - 3 = 2/3n        

14 = 2/3n  

Step 2: solve the remaining expression to get the value of n

14 * 3 n = 2

3n = 2/14

N = 1/7 * 3

N = 1/21

N= 21 (Since n is in the denominator)

If x/yis rational, must x and y each be rational?
A) Yes; because the quotient of rationals is rational.
B) No; because x and y could have a common irrational factor.
C) No; because the quotient of irrationals is always irrational.
D) Yes; because x and y must be integers, and integers are rational.

Answers

The answer is B.

Consider the fraction (6 √(5) )/(√(5)).

Both the numerator and denominator, when by themselves, are irrational.

However, when they are divided, they result in the rational number (6 √(5) )/(√(5))=\boxed{6}.

When p,q have the same irrational factor, the irrational factor will be cancelled from the fraction and (possibly) leave a rational number.

Answer: The answer is B.


Step-by-step explanation:

No; because x and y could have a common irrational factor.

Which pair of measurements is not equivalent?3 hours, 10 minutes and 190 minutes
240 minutes, and 4 hours
350 minutes, and 5 hours, 50 minutes
480 minutes, and 6 hours

Answers

Answer:

480 minutes, and 6 hours

Step-by-step explanation:

At first we should know that

1 hour = 60 minutes

We will check which option is not equivalent.

1) 3 hours, 10 minutes and 190 minutes

3 hours, 10 minutes = 3 * 60 + 10 = 180 + 10 = 190 minutes

So, the pair of measurements is equivalent.

2) 240 minutes, and 4 hours

4 hours = 4 * 60 = 240 minutes

So, the pair of measurements is equivalent.

3) 350 minutes, and 5 hours, 50 minutes

5 hours, 50 minutes = 5 * 60 + 50 = 300 + 50 = 350 minutes

So, the pair of measurements is equivalent.

4) 480 minutes, and 6 hours

6 hours = 6 * 60 = 360 minutes

So, the pair of measurements is not equivalent.

Before adding or subtracting fractions, one must first get a common __________. A) Numerator B) Denominator C) Whole number D) Mixed number

Answers

Before adding or subtracting fractions, one must first get a common **B) Denominator.** Having a common denominator allows fractions to be combined accurately.

The value of the ratio of adults to children is 2/5. The ratio of adults to children is _____.10:5
5:2
2:5

Answers

Answer:

2:5

Step-by-step explanation:fraction sighn is equivilent to ratio sighn.

How can i simplify the square root of 49x^8?

Answers

The simplifiedform of the square root of 49x^8 is 7x^4.

We have,

To simplify the squareroot of 49x^8, we can break it down using the properties of square roots.

First, we can simplify the squareroot of 49, which is 7, since the square root of a perfect square is an integer.

Next, we can simplify the square root of x^8.

We can rewrite x^8 as (x^4)².

Then, we can take the squareroot of x^4, which is x².

Thus,

The simplifiedform of the square root of 49x^8 is 7x^4.

Learn more about expressions here:

brainly.com/question/3118662

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The square root of 49 is 7, since 7*7 is equal to 49. and i don't know what u mean by "^". but if u mean the square root of 49, which is 7, multiplied by 8; then that's 56.

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