-2x - 2y = 4
x + 5y = 10
It looks like the method it would be easiest to use to solve this system is substitution. To use substitution, let us isolate x in the second equation:
x + 5y = 10
x = -5y + 10
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-2x - 2y = 4
-2(-5y + 10) - 2y = 4
10y - 20 - 2y = 4
8y - 20 = 4
8y = 24
y = 3
Now we can substitute back into the second equation to find x:
x + 5y = 10
x + 5(3) = 10
x + 15 = 10
x = -5
Finally, to check our work:
-2(-5) - 2(3) = 4 --> 10 - 6 = 4 <--True
-5 + 5(3) = 10 --> -5 + 15 = 10 <--True
Answer:
y = 3
x = -5
The interest that he gains after 3 years is $9282.
Step-by-step explanation:
- Step 1: Given details are Principal amount (P) in bank = $44200, Interest rate, R = 7%, Time, T = 3 years. Since interest is not compounded, we have to calculate simple interest.
- Step 2: Formula for Simple Interest (SI) = PRT/100
⇒ SI = (44200 × 7 × 3)/100
⇒ SI = 442 × 7 × 3
⇒ SI = $9282
Answer:
Choose the first one and second and the last one.
Step-by-step explanation:
This is an simple
X axis because of its sequence that it is involved with a reflection which is a transformation
.53333333 or as a fraction its 1 1/15
