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3 years ago

12

last month, a store sold 110 video games. this month, the store sold 77 video games. Find the percent decrease. Round the neares

t percent

1 answer:

forsale [732]3 years ago

6 0

Answer:

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Step-by-step explanation:

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Consider the following data set:

11Alexandr11 [23.1K]

Answer:

E. 72.7

Step-by-step explanation:

Here, we need to figure out the proportion of the population, which is higher than 20.

Now, in this statement, the data set of the population is explicitly given, so the sample is irrelevant.

Here, the set of data is : 5, 33, 25, 55, 96, 75, 23, 69, 37, 17, 12.

Among this given data set of 11, The numbers which are higher than 20 are {33, 25, 55, 96, 75, 23, 69, 37}.

So, here 8 numbers are present in this data set which are greater than 20.

So for finding out the proportion, the calculation will be:

Calculation:

$\frac{8}{11}$ * 100 = 72.72%

Therefore we get from the calculation that the population proportion, which is higher than the number 20, is 72.72% or 72.7%.

4 0

3 years ago

Math Help. Greatly Appreciated

Triss [41]

So we know that the perimeter is 1260 feet and that the length is 100 more than the width, but we don't know that the width is.
So we're going to start with finding the width.
$w = (x + x + 100) = 1260$
from there we need to combine like terms
$x + x = 2x$
now we have
$2x + 100 = 1260$
From there, we will need to remove 100 from both sides, leaving us with
$2x = 1160$
now we'll need to divide both sides by 2
$2x \div 2x = x$
$1160 \div 2 = 580$
We now know that the width is 580, or more simply put, x=580.

Finding the length will be the easy part, as we know that it is just 100 more than the width
$580 + 100 = 680$
If you want an easier way of finding the length, just subtract the width from the perimeter.
$1260 - 580 = 680$
Leaving the final answer to be
Width = 580
Length = 680

3 0

3 years ago

It takes 85 pails of water to fill up a tank. If the capacity of each pail is 2.65 gallons, hat is the capacity of the tank? sho

Afina-wow [57]

225.25 gallons of water I think. Hope this helps you. :)

6 0

4 years ago

The value of y2 + 2 is<br><br><br>plz help meh

Orlov [11]

Answer:

its y^2

Step-by-step explanation:

first you multiply y^2 and then +2

7 0

3 years ago

Which quadratic equation fits the data in the table? x -5,-2,-1,0,3,4,6 y 33,9,5,3,9,15,33

mojhsa [17]

Answer:

y = x² − x + 3

Step-by-step explanation:

Quadratic equation is:

y = ax² + bx + c

Pick three points and plug in. I'll choose (-2, 9), (-1, 5), and (0, 3).

9 = a(-2)² + b(-2) + c

5 = a(-1)² + b(-1) + c

3 = a(0)² + b(0) + c

9 = 4a − 2b + c

5 = a − b + c

3 = c

We know c = 3, so substitute into the first two equations:

9 = 4a − 2b + 3

5 = a − b + 3

0 = 4a − 2b − 6

0 = a − b − 2

Solve by elimination or substitution.

b = a − 2

0 = 4a − 2(a − 2) − 6

0 = 4a − 2a + 4 − 6

0 = 2a − 2

a = 1

b = -1

Therefore:

y = x² − x + 3

6 0

3 years ago