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2 years ago

If 30% is lost by selling a sofa set for RS 980, at what price must it be sold to gain 10%.

Mathematics

1 answer:

PSYCHO15rus [73]2 years ago

6 0

Answer:

1078

Step-by-step explanation:

first: multiply 980 by 0.10 to get 10% of 980

second: take that value (98) and add it to 980

then: you get 1078 after adding

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2 years ago

jack puts 1/3 pound of birdseed into his feeder every time he fills it. how many can jack fill his bird feeder with 4 pounds of

Flura [38]

Answer: Jack can fill his feeder 12 times with 4 pounds of birdseed.

Step-by-step explanation:

You need to analize the information given in the exercise, You know that every time Jack fills the feeder, he put $\frac{1}{3}$ pounds into it.

Then, in order to solve this exercise, let "x" represents the number of times that Jack can fill his feeder with 4 pounds of birdseed.

Keeping on mind the data provided in the exercise, you can set up de following proportion:

$\frac{1}{\frac{1}{3}} = \frac{x}{4}$

Finally, you must solve for "x" in order to find its value.

You get that this is:

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2 years ago

Complete the table to find the pattern in the number of combinations.

Andreas93 [3]

Answers:

Row 0: 1

Row 1: 1 1

Row 2: 1 2 1

Row 3: 1 3 3 1

Row 4: 1 4 6 4 1

=========================================

Explanation:

This is known as Pascal's Triangle. Each value, other than the '1's, is found by adding the values directly above it. For instance, the '4' is the result of 1+3, and the 6 is a result of 3+3, and so on.

You can use the nCr combination formula to find the same values.

Alternatively you can expand out binomials of the form (x+y)^n, for integer values of n, and you'll find the coefficients of the terms match perfectly with Pascal's Triangle.

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2 years ago

If 30% is lost by selling a sofa set for RS 980, at what price must it be sold to gain 10%.​

If 30% is lost by selling a sofa set for RS 980, at what price must it be sold to gain 10%.