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4 years ago

How is naming a line segment different from naming a line?

1 answer:

Studentka2010 [4]4 years ago

7 0

A line is infinite, it has no beginning or end. it's length is infinite.
It can only be named by the equation or a variation of y=mx+c where m is the gradient and c is the y intercept

A line segment has a specific start and end, and a length.
It can be expressed giving two sets of coordinates, (the start and finish)

You might be interested in

How many shorts can be made from 6 yards of fabric?

AveGali [126]

8
6 divided by .75 = 8

8 0

3 years ago

Why do you sometimes have only one multiplication sentence for an array

taurus [48]

Arrays are useful models for multiplication which can be used in a variety of ways, ranging from highly structured lessons to games and open investigations. An array is formed by arranging a set of objects into rows and columns. Each column must contain the same number of objects as the other columns, and each row must have the same number as the other rows.

The following array, consisting of four columns and three rows, could be used to represent the number sentence 3 x 4 = 12.

7 0

3 years ago

The number of bacteria present in a culture after t minutes is given as b=1000e^kt where k is a constant. If there are 8520 bact

Kryger [21]

To solve this problem, plug 8250 in for b and 15 in for t and then solve for k:

$8250=1000e^{15k}$

*Divide both sides by 1000*

$8.25=e^{15k}$

*Take the natural log (ln) of both sides*

2.1102=15k

*Divide both sides by 15*

0.1406=k

0.1406 rounds to 0.141 which is close to a. 0.143.

Hope this helps!!

6 0

3 years ago

In a study investigating a link between walking and improved health, researchers reported that adults walked an average of 873

Rainbow [258]

Answer:

$H_0:\mu =873\\\\H_a: \mu$

Step-by-step explanation:

Given : In a study investigating a link between walking and improved health, researchers reported that adults walked an average of 873 minutes in the past month for the purpose of health or recreation.

Claim : The true average number of minutes in the past month that adults walked for the purpose of health or recreation is lower than 873 minutes.

i.e. $\mu$

We know that the null hypothesis contains equal sign , then the set of hypothesis for the given situation will be :-

$H_0:\mu =873\\\\H_a: \mu$

4 0

3 years ago

Khaya is delivering groceries to his mother who stays 8km from the shop. How long will it take him to cover this distance if he

Anna [14]

Answer:

7.385 minutes

Step-by-step explanation:

Given that :

Average speed = 65km/hr

The distance covered = 8km

The time taken Given the information above :

Recall:

Speed = distance / time

Time taken = distance / speed

Time taken = 8km / 65km/hr

Time taken = 0.1230769 hr

Time taken = 0.1230769 * 60 = 7.385 minutes

3 0

3 years ago