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SVEN [57.7K]
3 years ago
11

Five people are at a party. Everyone shakes hands once with everyone else. How many handshakes are there? Show your

Mathematics
1 answer:
11111nata11111 [884]3 years ago
3 0

Answer:

they exchanged 25 handshakes total

Step-by-step explanation:

5 x 5 = 25

May I have brainliest please? :)

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Step-by-step explanation:

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2 years ago
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The sum of 3 consecutive integers is 78. What is the integer closest to zero?
vova2212 [387]

Answer:

25

Step-by-step explanation:

Let n be the first integer.

Then the second integer will be (n + 1).

And the third will be (n + 2).

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Solve for n. Combine like terms:

3n+3=78

So:

3n=75

Therefore:

n=25

Therefore, the first integer is 25.

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2. Find the slope of the line that passes through the points A(0,2) and B(4,-1)
bogdanovich [222]

Answer:

Use the slope formula to find the slope of a line given the coordinates of two points on the line. The slope formula is m=(y2-y1)/(x2-x1), or the change in the y values over the change in the x values. The coordinates of the first point represent x1 and y1. The coordinates of the second points are x2, y2.

Step-by-step explanation:

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2 years ago
Graph the two lines 2x + 3y = 18 , 3x -4y > 16.
Dmitrij [34]
The domain and range for each line is all real numbers. This is because all numbers are possible to input into x and all y values exist. 

The slope of the first line is -2/3 and the y intercept is 6. You can reach this conclusion by solving for y (putting it in slope intercept form). 

The slope of the second one is 3/4. and the y intercept is all real numbers greater than -4. This is true because it is an inequality and you can find these numbers by solving for y. 
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Answer:

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Step-by-step explanation:

Start by simplifying both sides of the equation then isolate the variable

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