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4 years ago

Explain what it means to bisect a segment. Why is it impossible to bisect a line?

Mathematics

2 answers:

ollegr [7]4 years ago

7 0

cut into 2 equal parts

mr_godi [17]4 years ago

5 0

<span>To bisect a segment means to cut through the segment's midpoint. You can't bisect a line, because a line goes on forever = no midpoint. and a line has a width of zero so it is impossibl to bisect it

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What is the MAD for 10,3,7,8,2,0,10,5?

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The MAD is 3.125

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3 years ago

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Kendrick walked 500 m per day, every day for one week. How many kilometers did he walk all together?

Ainat [17]

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3.5

Step-by-step explanation:

500 x 7

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It is believed that 3/4 of our dreams involve people that we know. Write an expression to describe the number of dreams that fea

professor190 [17]

3/4 of dreams = 3/4 of 'd'

The expression is $\frac{3}{4}d$

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3 years ago

Solve each of the following equations for the given variable using proper algebraic notation. Show ALL work for full marks.

icang [17]

Answer:

3x=42

Divide 3x to both sides

14=x

56=8x

Divide 8 to both sides

7=6

6x+4=40

subtract 4 to both sides

6x=36

divide 6 to both sides

x=6

58=4x-6

add 6 to both sides

64=4x

divide 4 to both sides

16=x

Step-by-step explanation:

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3 years ago

Working alone at its constant rate, pump X pumped out ¼ of the water in a tank in 2 hours. Then pumps Y and Z started working an

madam [21]

Answer:

The correct option is B) 12.

Step-by-step explanation:

Consider the provided information.

Working alone at its constant rate, pump X pumped out ¼ of the water in a tank in 2 hours.

As we know: $rate =\dfrac{ work}{time}$ ,

The rate of pump X is $\frac{\frac{1}{4}}{2} = \frac{1}{8}$

$\frac{1}{4}$ of the water is pumped out of the tank, that means only $\frac{3}{4}$ is left to be pumped out.

All 3 pumps pumped out the remaining $\frac{3}{4}$ of the water out in 3 hours.

The combined rate of all three pumps is: $\frac{\frac{3}{4}}{3} = \frac{1}{4}$

Pump Y, working alone at its constant rate, would have taken 18 hours to pump out the rest of the water.

The rate of pump Y = $\frac{\frac{3}{4}}{18} = \frac{1}{24}$

Let z is the time taken by pump Z, then the rate of pump Z is $\frac{1}{z}$ .

Therefore,

$\dfrac{1}{8}+\dfrac{1}{24}+\dfrac{1}{z}=\dfrac{1}{4}$

Multiplying both sides by 24 z.

$3z + z + 24 = 6z\\24 = 2z\\12 = z$

Hence, the correct option is B) 12.

5 0

3 years ago