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Degger [83]
3 years ago
14

Find the first term and the common difference of the arithmetic sequence whose 5 th term is 3 and 19 th term is 45 .

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
6 0
Where (a) is first term
and common diff is (d)

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What’s the answer guys?
never [62]

Answer:

the first one is the answer, with maybe the third if you can choose multiple.

Step-by-step explanation:

Let's go throught hese one at a time.  First though it is important to note that the poitns look like they are going upward.  So we want a relationship that it makes sense  as one increases so does the other.

the amount of money made made compared to the amount of items sold

So, pretending we run a store.  Does it make sense that if we make more money more items were sold?  I would say so.

the amoutn of ink left in a pen compared to the time using it

Doe sit make sense that as the amount of ink increases the time using it increases?  i would say no, because ink usually decreases the more it is used.

the amount of money in your account compared to the number of stores that you shop at

Does it make sense that if you have more money in your account you shop at more stores?  I think so, though the first one still makes the most sense if you can only pick one.  Since it doesn't seem directly to imply that, I would say it makes more sense that you just but more in general, not necessarily from more stores.

the number of goals scored in a soccer match compared to the number of red cards given

does it make sense that more goals would also have more red cards?  i don't think so, though I don't know soccer that much.  it doesn't seem like goals mean there should be any more red cards.

So in total it seems like the first one is the answer, with maybe the third if you can choose multiple.  

4 0
3 years ago
What is the equation of the line that is perpendicular to the y-axis and contains the point (-2,7)
Elenna [48]

Answer:

y = 7

Step-by-step explanation:

The straight line which is perpendicular to the y-axis will be either x-axis or parallel to the x-axis.

Now, the general equation for all straight line which is either x-axis or parallel to x-axis are given by y = c ........... (1), where c is any constant.

For c = 0 the line will be x -axis. therefore, y = 0, is the equation of x-axis.

Now, if the line (1) passes through the point (-2, 7), then the equation will be y = 7. (Answer)  

{Since, the point (-2,7) will satisfy the equation (1) and then c will be equal to 7.}

3 0
3 years ago
Write a multiplication equation that has a solution of 2/7
777dan777 [17]
X*7/2=1

Therefore x=2/7.
7 0
3 years ago
Simplify the expression help
natita [175]

The answer is 10.

Hope this helps!

5 0
3 years ago
Read 2 more answers
Graph the line with slope 3/4 and y-intercept -7​
fredd [130]
Ur equation would be y=3/4x-7

7 0
4 years ago
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