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Sveta_85 [38]
3 years ago
12

Hello ya'll. I have a quick question to ask ya'll.

Mathematics
1 answer:
stepladder [879]3 years ago
8 0

Answer:

3n

Step-by-step explanation:

If the initial number is n, one less than n is n - 1, and one more than n is n + 1. so we have:

n - 1 + n + n + 1=3n

At first I thought this answer was too easy, so I tried for n is 6.

3*6=18\\5+6+7=18

This is really cool! Hope this helps!

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25 points
Zielflug [23.3K]

Answer:  The correct answer is:  [B]:

_________________________________________

                " \frac{-3}{ x} " .

_________________________________________

Step-by-step explanation:

_________________________________________

Note:  A number; "divided by a variable" ; is Not a "polynomial" .

Answer choice:  [B]:  " \frac{-3}{ x} " ;  

         is a "number;  divided by a "variable" ;  and as such, is Not a "polynomial".

_________________________________________

8 0
3 years ago
X-9>6 how do I find the answer
Anvisha [2.4K]
If you would like to solve the inequation X - 9 > 6, you can calculate this using the following steps:

X - 9 > 6      /+9
X - 9 + 9 > 6 + 9
X + 0 > 15
X > 15

The correct result would be X > 15.
5 0
3 years ago
Read 2 more answers
A line passes through (4, 5) and (8, 9). Which equation best represents the line?
xxTIMURxx [149]

Answer:

that is the equation of the line, its slope is 1 and the y-intercept is 1 y = x + 1

Step-by-step explanation:

we can calculate the slope of this line passing through (4,5) and (8,9) like this:

m = (y2 - y1)/(x2 - x1)

m = (9 - 5)/(8 - 4)

m = 4/4

m = 1

so the slope is 1, and now we can use the equation of one point and the slope to write the line's equation:

y - y1 = m(x - x1)

y - 5 = 1*(x - 4)

y - 5 = x - 4

y = x + 1

that is the equation of the line, its slope is 1 and the y-intercept is 1



7 0
3 years ago
Express 3km 2m as a decimal of 1km.
puteri [66]

Answer:

3.002 km

Step-by-step explanation:

1000 m = 1 km

1 m = 0.001 km

3 km + 2 m = 3 km + 2(0.001 km)

3 km + 2(0.001 km) = 3.002 km

6 0
3 years ago
Which notation is expressed in interval notation x> -2?​
vfiekz [6]

Answer:

( - 2 \:  \infty )

5 0
3 years ago
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