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1 year ago

What is the selling price of a $610 couch with a 25% markup?

Mathematics

1 answer:

defon1 year ago

8 0

Answer:

762.5

Step-by-step explanation:

25% of 610 is 152.5 and 610 + 152.5 is 762.5

Hope this helped also can i get brainliest?

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If nothing is known about the shape of the distribution of a quantitative variable, what percentage of data fall within 2 standa

Nezavi [6.7K]

<span>At least 75% of the data will fall within 2 standard deviations of the mean. This is tricky problem. Usually when you're dealing with standard deviation, you have a bell curve, or something close to a bell curve and for such a data distribution, there will be approximately 95% of the data within 2 standard deviations of the mean. But if you don't know that you have a bell curve, you have to fall back to Chebyshevâ€™s Theorem, which states that at least 75% of the data points will fall within 2 standard deviations of the mean for any set of numbers.</span>

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1 year ago

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A collection of 108 coins containing only quarters and nickels is worth $21. A table titled Coin Collection showing Number of Co

harina [27]

Answer:

q = 108-n

Step-by-step explanation:

Given: 108 coins containing only quarters and nickels

q = 108-n

since total number of coins is 108, and n= number of nickels

If you want to know how many of each kind of coin, read on:

First solve the number of quarters and nickels.

If all 108 coins are quarters, the value is 108*0.25 = $27

Since this value exceed the actual by 27-21 = $6,

we replace a number of quarters by nickels.

Each replacement will reduce the value by 25 - 5 = 20 cents = 0.2 dollars.

So it will take 6/0.2 = 30 replacements.

Therefore there are 108-35 = 78 quarters and 30 nickels.

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1 year ago

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What is the decimal multiplier to decrease by 3.4%?

kramer

Answer:

.966

Step-by-step explanation:

To work out the multiplier, first add or subtract the percentage from 100, then convert to a decimal.

$(100-3.4=96.6)\\(96.6/100 =.966$

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2 years ago

Sean and Mariana started drinking their slushies at the same time and tried to drink them as fast as they could.

never [62]

Answer: what are the options?

Step-by-step explanation:

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1 year ago

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1) The line plot shows the part of a gallon of water that Jill drank each day last

Natali5045456 [20]

Answer:

3 1/8

Step-by-step explanation:

1. You can add the 2 halves together making 1

2. Then add a 3/4 and one 1/4 together making another 1

3. With the remaining two 1/4s, that makes another half. So at the moment, you have 2 1/2

4. Convert 2 1/2 to eighths. 2 4/8

5. Finally add one 5/8.

So the answer is 3 1/8

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2 years ago