Equations:
m = k + 5
k = s + 2
m + k + s = 30
-----------------------
Substitute for "m" and for "s"::
k+5 + k + k-2 = 30
3k +3 = 30
3k = 27
Kirsty has 9 marbles
---
Mina has 9+5 = 14 marbles
Seb has 9-2 = 7 marbles
Midpoint Formula: (

,

)
Midpoint = (

,

)
Midpoint = (

,

)
Midpoint = (

, -4)
So, the midpoint of the endpoints (-4,-3) and (7,-5) is (

, -4).
Have a nice day! ♪
Answer:
Here:
Step-by-step explanation:
You choose 2,4,6,8,10 as your solution points, or in other words the numbers you with substitute in for x.
The equation is:
y= 1/2x+1
So what we would do is take one number from the list above (2,4,6,8.10) and put it in for are.
So, Thats how you do it, I attached a completed version of your paper below!
Answer:
The total money she saved in a year = X + 12Y.
Step-by-step explanation:
Mary got a piggy bank as a gift.
Sum of money in the piggy bank while she got it as a gift = X cents
Sum of money she saved = Y cents per month
1 year = 12 months
So, sum of money she saved in 1 year = Y × 12
= 12Y
Hence, the total money she saved in a year = X + 12Y.
Answer:
6
Step-by-step explanation:
4+2 = 6
Hope this helps