Subtracting 4x+2y=21 from 4x-6y=17 will cancel out the x terms and result in -8y=-4. Then, dividing both sides by -8 results in y=1/2. In order to find x, plug 1/2 for y in either equation. If we use the first equation, the new equation looks like: 4x-6(1/2)=17. Multiplying -6 and 1/2 will simplify the equation to 4x-3=17. Then, adding three to both sides results in 4x=20. The last step is to divide both sides by 4 in order to get x by itself. x=5. So, the coordinate point that satisfies both equations is (5,1/2).
Answer:
1
Step-by-step explanation:
Look at the LHS: you have the square of x, then you have 2 times x, times -1. to complete a square you just need to add the square of -1, that is 1. That becomes
Answer:
FV= PV*(1+i)^t
Step-by-step explanation:
Giving the following information:
Initial investment (PV)= $2,000
Interest rate (i)= 3.2% = 0.032
Number of periods= t
<u>To calculate the future value (FV) of the investment, we need to use the following formula:</u>
<u></u>
FV= PV*(1+i)^t
F<u>or example, Susan invests for 4 years:</u>
FV= 2,000*(1.032^4)
FV= $2,268.55
Answer:
7/10 can't be simplified, 2/10->1/5
Step-by-step explanation:
7/10 cannot be simplified as 7 and 10 don't have any common factors other than 1
2/10 can be simplified by a factor of 2 to get 1/5
Answer:
that is a I hope this helps you
