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Wittaler [7]
3 years ago
5

if the markup formula is 40percent of cost and the selling price is 49.99what is the cost/ a 31.76 b 33.33 c 34.33 d 35.71

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
6 0
An item, x, is marked up 40% and now costs $49.99
40% is 0.40
1 times any number will be the same number so we'll use that to add on the original price to the amount of increase
(1+0.40)x=49.99
x=49.99/1.4
x=35.71 so D is the answer
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Fed [463]

Answer:

0.0444 = 4.44% probability that a part chosen at random (from the sample) was defective.

Step-by-step explanation:

Probability of a defective part:

0.04 of \frac{100}{180}, that is, coming from A.

0.05 of \frac{80}{180}, that is, coming from B. So

p = 0.04\frac{100}{180} + 0.05\frac{80}{180} = \frac{0.04*100 + 0.05*80}{180} = 0.0444

0.0444 = 4.44% probability that a part chosen at random (from the sample) was defective.

3 0
3 years ago
Bill is 15 years older than Paul. Paul is 7 years older than half Milo's age. The sum of all three ages is 85. How old is Bill?
katrin2010 [14]

Answer:

Step-by-step explanation:

Let Milo's age = x

Paul's \ age =\dfrac{1}{2}x+7\\\\\\Bill's \ age = \dfrac{1}{2}x + 7  +15 =\dfrac{1}{2}x+22

Sum of all three ages = 85

x +\dfrac{1}{2}x+7 +\dfrac{1}{2}x+22 = 85\\x +\dfrac{1}{2}x+\dfrac{1}{2}x+7+22 =85\\2x+29=85\\     2x  = 85-29\\\\     2x  = 56\\\\      x = \dfrac{56}{2}\\\\x =28 \ years\\\\\\Bill's \  age =\dfrac{1}{2}x+22 =\dfrac{1}{2}*28+22\\\\\\= 14+22\\

Bill's age = 36 years

6 0
2 years ago
Read 2 more answers
What is the solution to this equation?
labwork [276]
The solution to this equation is C (6)

3x - 3 = 15

3x = 15 + 3
3x = 18
3/3 x = 18/3

x = 6
6 0
2 years ago
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Identify the vertex of the parabola<br> y = x^2-2x-3
melisa1 [442]

Answer:

(2, -3)

Step-by-step explanation:

7 0
2 years ago
A) Find the value of 3a + 4b when a = 17 and b = 9.
Ivan

Answer:

A. 87

B. i dont uderstand velocily sorry

Step-by-step explanation:

3*a=3*17=51

4*b=4*9=36

51+36=87

4 0
3 years ago
Read 2 more answers
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