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kogti [31]
3 years ago
6

2/4 times 1/2 +(-1/8)

Mathematics
1 answer:
Kisachek [45]3 years ago
8 0

Answer:

1/8

Step-by-step explanation:

IDK how to explain it

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The sum of a number and its reciprocal is 41/20. Find the number. smaller value larger value
Natali [406]

Step-by-step explanation:

Let the number is x. Its reciprocal will be 1/x. According to given condition, we get :

x+\dfrac{1}{x}=\dfrac{41}{20}\\\\\dfrac{x^2+1}{x}=\dfrac{41}{20}\\\\20x^2+20=41x\\\\20x^2-41x+20=0

It is a quadratic equation. The values of x are :

20x^2-25x - 16x+ 20 =0\\\\5x(4x - 5) -4( 4x - 5) = 0\\\\(5x-4)(4x-5)=0\\\\5x-4=0\ \text{and}\ (4x-5)=0\\\\x=\dfrac{4}{5}\ \text{and}\ x=\dfrac{5}{4}

The smaller number is 4/5 and the larger number is 5/4.

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3 years ago
The heights of women aged 20 to 29 are approximately Normal with mean 61 inches and standard deviation 2.5 inches. Men the same
Tcecarenko [31]

The heights of women aged 20 to 29 are approximately Normal with mean 64 inches and standard deviation 2.7 inches. Men the same age have mean height 69.3 inches with standard deviation 2.8 inches.

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2 years ago
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Some of your friends who are coming over for pizza prefer more of the edge crust. Which pizza the circular one or rectangular on
Svetradugi [14.3K]

Answer:

Circular one

Step-by-step explanation:

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Also, corners aren't edges and rectangles have corners.

Go with the circle one

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Suppose that 11% of people own dogs. If you pick two people at random, what is the probability that they both own a dog
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