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chubhunter [2.5K]
3 years ago
6

a store has clearance items that have been marked down by 25%.they are having a scale,advertising an additional 55% off clearanc

e items.what percent of the original price do you end up paying?​
Mathematics
1 answer:
bearhunter [10]3 years ago
7 0

Answer:

33.75%

Step-by-step explanation:

Let's assume a price is 100 dollars. It will be easier to calculate.

First, a mark down of 25%. That is:

25/100 = 0.25

0.25 * 100 = 25

Mark Down, so 100 - 25 = 75 dollars

It is worth 75 dollars now.

Next, 55% off, so

55/100 = 0.55

0.55 * 75 = 41.25

So, it is worth now 75 - 41.25 = 33.75 dollars

So, you end up paying 33.75 dollars off the original price of 100 dollars. That is 33.75% off original

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Here we're given
p=0.10  [ success = defective ]
n=3

(a) x=0
P(x)=C(n,x)p^x(1-p)^{n-x}
=C(3,0)0.1^0(1-0.1)^{3-0}
=1(1)(0.729)
=0.729

(b) x=2
P(x)=C(n,x)p^x(1-p)^{n-x}
=C(3,2)0.1^2(1-0.1)^{3-2}
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(c) x ≥ 2
P(x)=\sum_{x=2}^3C(n,x)p^x(1-p)^{n-x}
=P(2)+P(3)
=C(n,2)p^2(1-p)^{n-2}+C(n,3)p^3(1-p)^{n-3}
=C(3,2)0.1^2(1-0.1)^{3-2}+C(3,3)0.1^3(1-0.1)^{3-3}
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8 0
3 years ago
PLS HELP Choose the solution to this inequality. 43<−83y y < −12 y > 12 y < 43 y > 4
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Given:

The inequality is:

\dfrac{4}{3}

To find:

The solution of the given inequality.

Solution:

We have,

\dfrac{4}{3}

Multiply both sides by 3.

4

Divide both sides by -8 and change the sign of inequality.

\dfrac{4}{-8}>\dfrac{-8y}{-8}

-\dfrac{1}{2}>y

It can be written as:

y

Therefore, the correct option is A.

8 0
2 years ago
How do you solve 1-5+1×(4×4-31)×8
Alja [10]
Hey there!

In order to solve this, remember PEMDAS. First, start with solving whatever is in parentheses. Then, move on to exponents. Then, complete the multiplication and division. Lastly, add or subtract anything remaining. Omit any steps that aren't present. 

Parentheses: 

<span>1 – 5 + 1 × (4 × 4 – 31) × 8
</span>1 – 5 + 1 × (–15) × 8

Multiplication/Division (Left to Right):

1 – 5 + (–15) × 8
1 – 5 + (–120)
1 – 5 – 120

Addition/Subtraction (Left to Right):

–4 – 120
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5 0
3 years ago
In a standard inch ruler how many 3/8 are in 6 inches
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There are 16 3/8 in 6 inches
8 0
2 years ago
The point-slope form of the equation of a line that passes through points (8,4) and (0, 2) is y-
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For this case we have that by definition, the equation of a line of the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

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While the point-slope equation of a line is given by:

y-y_ {0} = m (x-x_ {0})

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m: It's the slope

(x_ {0}, y_ {0}):It is a point through which the line passes

In this case we have a line through:

(8,4) and (0,2)

Therefore, its slope is:

m = \frac {2-4} {0-8} = \frac {-2} {- 8} = \frac {1} {4}

Its point-slope equation is:

y-4 = \frac {1} {4} (x-8)

Then, we manipulate the expression to find the equation of the slope-intersection form:

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y = \frac {1} {4} x + 2

7 0
3 years ago
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