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PolarNik [594]
3 years ago
7

The width of a rectangle is 3 units less than the length. The area of the rectangle is 54 units. What is the length, in units, o

f the rectangle?
Mathematics
1 answer:
suter [353]3 years ago
4 0
Length=9
Below algebraically

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the box plot suggests that about 25% of quarterbacks in the boys football league threw fewer than what number of touchdowns?
stiks02 [169]

Answer: the answer is 7

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A flower vase bought for Rs. 72 and sold for Rs. 63. Find the loss percent.​
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8 0
3 years ago
Determine whether the equation represents a direct variation. If it does, find the constant of variation. 2y=5x+1
coldgirl [10]
It does represent a direct variation.

Direct variation: y = kx
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Your equation 2y = 5x + 1 is in the form of y = kx but we need to divide out the 2 from 2y so we have the following
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6 0
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Complete the table with the number of sit-ups you have to do sunday so that the mean number of sit-ups per day is 100
marissa [1.9K]

The mean is the average of the numbers.

It is easy to calculate: add up all the numbers, then divide by how many numbers there are.

Let the number of sit-ups you have to do Sunday be x. Then the sum of all sit-ups is

100+65+120+150+90+0+x=525+x.

The number of days is 7.

Thus, the mean is

\text{mean}=\dfrac{525+x}{7}.

You know that the mean number of sit-ups per day is 100, equate these two means and solve the equation:

\dfrac{525+x}{7}=100,\\ \\525+x=700,\\ \\x=700-525,\\ \\x=175.

Answer: 175 sit-ups

5 0
3 years ago
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