Answer:
a. (15, 15)
Step-by-step explanation:
We start with those two equations:
1) a - 1.2b = -3
2) 0.2b + 0.6a = 12
We'll begin by modifying equation #1 to isolate a:
a = -3 + 1.2b
Then we'll use this value for a in the second equation:
0.2b + 0.6 (-3 + 1.2b) = 12
0.2b - 1.8 + 0.72b = 12
0.92b = 13.8
b = 15
Then we'll place that value of b in the first equation to find a:
a - 1.2 (15) = -3
a - 18 = -3
a = 15
Answer:
3.5 grams
Step-by-step explanation:
just divide the number of peanuts by the number of raisins, 14/4=3.5, 21/6=3.5, 35/10=3.5
Answer:
The system has no solutions.
Step-by-step explanation:
If you stare at it for the bit you can tell the system is impossible. Let's see why:
First of all, rewrite the second equation by bringing all unknowns on the LHS:
.
Then take twice the first equation, doubling every coefficient:
See how the LHS is the same? The system is asking you to find a quantity (4x+6y) which is at the same time equal to four AND five - emphasis on that "and" - which is obviously impossible, because it implies that 4=5. So the point - which you didn't provide - is not a solution. Nor is any other point.
The word sum for 439 and 514 = 953
<h3>Word sum of whole numbers</h3>
Word sum simply means the addition of two or more whole numbers.
This means that to calculate the word sum of 439 and 514, the both given figures are added up together.
Given, 439 plus 514
That is,
439 + 514 = 953
Therefore, the word sum for 439 and 514 = 953
Learn more about word sum here:
brainly.com/question/4344214
