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vekshin1
3 years ago
6

A customer pays $18 for DVD that originally cost $20. What is the percent decrease in the cost of the dvd.

Mathematics
1 answer:
Feliz [49]3 years ago
8 0

Answer:

2

Step-by-step explanation:

18-20=2 so thats your answer

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A kilobyte is 2^10 bytes and a megabyte is 2^20 . how many kilobytes are in a megabyte
tamaranim1 [39]

Answer:

1024

Step-by-step explanation:

so first you would do 2^10 and 2^20

2^10 = 1024

2^20 = 1048576

then you would just divide 1048576 by 1024

1048576 / 1024 = 1024

8 0
3 years ago
Step 6: Patterns can provide a clear understanding of mathematical relationships. This can be seen very clearly in the form of m
kenny6666 [7]

Two more examples of relationship patterns found in mathematics are <u>Geometric sequences</u><u> and </u><u>Fibonacci numbers</u>.

<h3>What are mathematical patterns?</h3>

Mathematical patterns are a sequence of repeated arrangements of numbers, shapes, colors, letters, etc.

Mathematical patterns are usually abstract.

<h3>What is a geometric sequence?</h3>

A geometric sequence is a sequence of non-zero numbers.  The first number is the product of multiplying a previous number by a fixed, non-zero number, called the common ratio.

A Geometric sequence may look like: 2, 4, 8, 16, 32, 64, 128, ..., where the common ratio is 2.

<h3>What is a Fibonacci sequence?</h3>

A Fibonacci number starts with a zero, followed by a one, then by another one, and then by a series of steadily increasing numbers.

The rule of the Fibonacci sequence is that each number is equal to the sum of the preceding two numbers, for example, 0, 1, 1, 2, 3, 5, 8, 13.

Learn more about mathematical patterns at brainly.com/question/854376

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5 0
2 years ago
ملی
bonufazy [111]

Answer:

Rs 75,000

Step-by-step explanation:

Let the total value of property be x

If one-fifth of that is given to son

property with son = 1/5 of total value of property = 1/5 of x = x/5

If one-third of that is given to daughter

property with daughter = 1/3 of total value of property = 1/3 of x = x/3

remaining property after giving the portions to son and daughter

= total value of property - property with son -property with daughter

= x - x/5 - x/3

taking LCM of 5 and 3 (15)

= (15x - 3x - 5x)/15

= 7x/15

Given that remaining property was given to wife

property with wife = 7x/15

it is given that wife got 35000 Rs

thus,

7x/15 = 35,000

7x = 35,000*15 = 525,000

x =  525,000/7 = 75,000

Thus, total worth of property =Rs 75,000 Answer

4 0
3 years ago
Joanne's Dress Shop received an invoice dated July 25 for $1,400, with terms of 2/10, 1/15, n/60. On August 8, Joanne's Dress sh
Masja [62]
August 8 is Day 15 and falls under the 1% discount rule.

750/0.99 = 757.58 from the balance, and 1400.00 - 757.58 = 642.42 is due by day 60.
6 0
3 years ago
Read 2 more answers
Evaluate: if x = 3 and y = 6 x(2x + x2 – 8y + 16)​
kumpel [21]

Answer:

-60

Step-by-step explanation:

Og problem: x(2x + 2x - 8y + 16)

Substitution: 3(6 + 6 - 48 + 16)

Solve: 3(12 - 48 + 16)

3(-36 + 16)

3(-20) = -60

3 0
3 years ago
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