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BlackZzzverrR [31]
3 years ago
12

The company financial officer was interested in the average cost of PCs that had been purchased in the past six months. She took

a random sample of the price of 10 computers, with the following results. $3,250, $1,127, $2,995, $3,250, $3,445, $3,449, $1,482, $6,120, $3,009, $4,000. What is the 10th percentile?
Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0

Answer:

$1,482 is the 10th percentile.

Step-by-step explanation:

xth percentile:

If a measure is said to be in the xth percentile, it means that x% of the measures are smaller than it, and (100-x)% are larger.

In this question:

10 computers, the 10th percentile is the value that is larger than 10% of the prices.

The prices, sorted in an increasing way, are:

$1,127, $1,482, ...

Computers at a price of $1,482 have larger prices than 10% of the population, so $1,482 is the 10th percentile.

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if each dimension of a unit cube is increased by 1. what is the ratio between the surface area of the new cube to that of the or
nexus9112 [7]

Answer:

4:1 or 4/1

Step-by-step explanation:

Original surface area: Each side is 1 * 1 = 1 and there are 6 sides, so 1 * 6 = 6.

New surface area: Each side is 2*2 = 4, and there are 6 sides, so 4 * 6 = 24

The ratio would be 24:6, or 4:1. As a fraction, this would be 4/1

4 0
3 years ago
Read 2 more answers
Solve the following equation system by graphing<br> X-Y=4<br> X+Y=2<br> What is the solution?
AfilCa [17]
<span>X-Y=4, 
X+Y=2 
-------------add
2x = 6
x = 3

X - Y =4
3 - Y = 4
Y = 3 - 4
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solution (3 , -1)</span>
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3 years ago
Andy has a number of friends who like dressing as zombies for Halloween. Four kids dressed as zombies. The number increases by f
natali 33 [55]

Step-by-step explanation:

4×0.5=2 (0.5=50%)

Add 2 to 4 and you get six.

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Add 2 to 6 and you get 8.

6 0
3 years ago
X= square root of 10x-24
FrozenT [24]
√10x-24 = x


Step by step solution :

STEP
1
:
Isolate the square root on the left hand side

Radical already isolated
√10x-24 = x


STEP
2
:
Eliminate the radical on the left hand side

Raise both sides to the second power
(√10x-24)2 = (x)2

After squaring
10x-24 = x2


STEP
3
:
Solve the quadratic equation

Rearranged equation
x2 - 10x + 24 = 0

This equation has two rational roots:
{x1, x2}={6, 4}


STEP
4
:
Check that the first solution is correct

Original equation
√10x-24 = x

Plug in 6 for x
√10•(6)-24 = (6)

Simplify
√36 = 6
Solution checks !!
Solution is:
x = 6

STEP
5
:
Check that the second solution is correct

Original equation
√10x-24 = x

Plug in 4 for x
√10•(4)-24 = (4)

Simplify
√16 = 4
Solution checks !!
Solution is:
x = 4
7 0
3 years ago
Please help me, im so confused.
musickatia [10]
The value of the equation increases.
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3 years ago
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