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fiasKO [112]
2 years ago
15

Suppose that there are 32 people in your statistics class and you are divided into 16 teams of 2 students each. You happen to me

ntion that your birthday was last week, upon which you discover that your teammate's mother has the same birthday you have (month and day, not necessarily year). Assume that the probability is
Mathematics
1 answer:
siniylev [52]2 years ago
8 0

Answer:

32

Step-by-step explanation:

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A shopkeeper allows 15% discount on the marked price, still he manages to have 7% profit. How much high did he mark his goods ab
lianna [129]

Answer: 25.9\%

Step-by-step explanation:

Given

Shopkeeper allows 15% discount on the marked price and still manages a profit of 7%

Suppose the marked price is x

So, the selling price is (1-0.15)x=0.85x

Suppose the cost price is y

\Rightarrow \dfrac{0.85x-y}{y}=7\%\\\\\Rightarrow \dfrac{0.85x}{y}-1=0.07\\\\\Rightarrow \dfrac{0.85x}{y}=1.07\\\\\Rightarrow y=\dfrac{0.85x}{1.07}\\\\\Rightarrow y=0.794x

So, the percentage the shopkeeper marked his goods above cost price

\Rightarrow \dfrac{x-y}{y}\times 100\\\\\Rightarrow \dfrac{x-0.794x}{0.794}\times 100\\\\\Rightarrow \dfrac{0.2056}{0.794x}\times 100\\\\\Rightarrow 25.89\%\approx 25.9\%

6 0
3 years ago
What are the solutions to the absolute value inequality |x − 70| ≤ 3? Remember, the inequality can be written as −3 ≤ x − 70 ≤ 3
galina1969 [7]

Answer:

B on edge

Step-by-step explanation:

At least 67 inches, but at most 73 inches

8 0
3 years ago
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What are the roots of the equation? <br> 2x^2+x=6
fredd [130]

Answer:

They would be 3/2 & -2.

4 0
3 years ago
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Marco spent $2.50 to wash his car.
Veronika [31]
The answer 300 seconds/5 minutes
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3 years ago
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Find the area. The figure is not drawn to scale.
Ahat [919]

A = 1/2 b h where b = 3.4 cm and h = 8 cm

A = 1/2 (3.4)(8)

A = 13.6 cm^2

Answer: 13.6 cm^2

7 0
3 years ago
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