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3 years ago

How do you know if two line segments are parallel

Mathematics

2 answers:

photoshop1234 [79]3 years ago

4 0

Two line segments are considered parallel if, when extended infinitely in both directions, they never intersect.

alex41 [277]3 years ago

4 0

Two lines are parallel if they have the same slope and will NEVER intersect.

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On a farm there are some cows and some chickens if the animals have a total of 40 heads and 112 legs how many cows are there? ho

tankabanditka [31]

Answer:

There are 16 cows and 24 chickens in the farm.

Step-by-step explanation:

A Cow has 4 legs

Chicken has 2 legs.

Lets take there $x$ chickens AND,

there are $y$ number of Cows.

Now we can write two equations for the number of heads and legs.

For the number of heads we can write,

$x+y=40$ <--------- 1st equation

For the number of legs we can write,

$2x+4y=112$ <------ 2nd equation

We can now solve the simultaneous equations to find $x$ and $y$

Multiply 1st equation by 2 and deduct it from 2nd equation to remove $x$

⇒ $2x+4y-2*(x+y)=112-80$

⇒ $2x+4y-2x-2y)=112-80$

⇒ $2y=32$

⇒ $y=16$

Therefore, there are 16 cows in the farm.

Now we can substitute the $y$ value to the 1st equation and find $x$ value.

$x+16=40$

$x=24$

Therefore, there are 24 chickens in the farm.

6 0

3 years ago

Sara uses 1/4 of a bottle of carpet cleaner to clean 3/5 of her carpet. How much carpet cleaner would it take Sara to clean her

Sergeu [11.5K]

4.9 i think try that .

3 0

3 years ago

Jade ran 6 times around her neighborhood to complete a total of 1 mile how many times will she need to run to complete 5/6 of a

Katen [24]

Since she ran 6 times to complete a mile, each lap should be 1/6 of a mile. To run 5/6, she must run 5 laps. Your final answer should be 5. Hope this helps!

6 0

3 years ago

The purpose of a statistical quality control chart is to identify when assignable causes of variation have entered the productio

MAXImum [283]

Answer:

TRUE

Step-by-step explanation:

Control charts employ the use of graphical displays to observe and monitor a process which could be either a manufacturing, production or business process to ensure that it is in a sate of control using statistical analysis. This graphical display will enable the visualization of interference or variation dues to certain causes or factors which might creep in to effect an unwanted variation in the production or business process. Hence, with the control chart, these variations would be detected and corrected to ensure that the production proesss is free from unwanted interference as much as possible.

8 0

3 years ago

An average person's heart beats about 103,630 times a day. Write and solve an equation to find about how many times the average

scZoUnD [109]

If an average persons heart beats at 103,630 times a day, and a day equals 24 hours, along with the fact that a minute consists of 60 minutes our equations can be:

103,630/(24*60)

To solve the equation we would first start with 24*60 which equals 1440. Then divide 103,630 by that number. Which would equal 71 time per minute.

8 0

3 years ago

Read 2 more answers