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kumpel [21]
3 years ago
13

How do you know which of a ordered pairs is a function

Mathematics
1 answer:
Gala2k [10]3 years ago
3 0

Answer:

You could set up the relation as a table of ordered pairs. Then, test to see if each element in the domain is matched with exactly one element in the range. If so, you have a function.

Step-by-step explanation:

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Express how you know that the sum of any two consecutive triangular numbers is a square number.
maw [93]

Answer: Beacause 2 triangles make a square

Step-by-step explanation: 2 triangles make a square so it must be the same with numbers? -an 8th grader(me) [lol i'm not that smart]

8 0
4 years ago
What is the absolute value of Point B labelled on the number line? A number line with point A at coordinate negative 2.2, point
bulgar [2K]

Answer:

The absolute value of point B on the number line is 2.2.

Step-by-step explanation:

A number line is given with point A at coordinate negative 2.2, point B at coordinate negative 1.6, and point C at coordinate 1.2.

So, on the number line, all the points having negative value are on the left side of zero.

Position of the point A is -2.2,

Position of the point B is -1.6,

Position of the point C is -1.2.

The absolute value of any point on the number line is the distance of that point from zero.

So, the absolute value of point B on the number line is the distance of point B from zero which is |-2,2|=2.2.

7 0
4 years ago
700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?
dalvyx [7]

Answer:

The rate is 140 miles per hour

Step-by-step explanation:

We can use the formula distance is equal to rate times time

The distance is 700 miles and the time is 5 hours

D =rt

700 = r*5

Divide each side by 5

700/5 = 5r/5

140 =r

The rate is 140 miles per hour

5 0
3 years ago
Please only right answer I'm so confused.
igor_vitrenko [27]

Rotate the one on the left to look like the one on the right.

BC = SP

AB = SR

AD = RQ

CD = PQ

A = R

B = S

C = P

D = Q

6 0
4 years ago
Plz need asap!!!!!!!!!
joja [24]

OK so if 70% of students in 8th grade have siblings and 112 8th graders have siblings, then:

0.7(total 8th graders) = 112

total 8th graders = 112/0.7

total 8th graders = 160


And since the number of 8th graders is 5/6 the size of the 7th grade class:

5/6(7th grade class) = 160

5(7th grade class) = 960

7th grade class = 192.


The correct answer is D) 192.


Hope this helps

cheers,

Brian

7 0
3 years ago
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