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The sum of two numbers is twelve the total of the three times the smaller number and one is two more than twice the larger number find the two numbers?
x+y=12
x
here we can use simultaneous equations. in particular substitution. This is where we can deduce the value of one variable by including another.
here we will bring the "y" value to the right side, thus giving us our "x" value.
x=12-y
from here we substitute this x value into the second equation and we can use simple algebra to figure out "y".
3(12-y)+1=2y+2
36-3y+1=2y+2
35=5y
y=7
now we substitute this value into the first equation to find "x"
x+7=12
x=5
i hope this has been of some assistance.
What else can I help you with?
What numbers between twelve and fifteen are equal to twelve?
The number 12.
What is the mean of two five and twelve?
In order to find the mean of numbers, add up all of the numbers and thn divide it by the number of numbers there are. Adding two, five and twelve equals nineteen. Then divide three into nineteen, and this gives you a mean of 6.33.
Is a fraction always smaller than the whole?
if i am understanding the question right you mean "is a fraction always smaller than a whole number?" the answer is no. for example is twelve thirds(12/3) smaller than 3? no because twelve thirds is actually 4 and 4 is greater than 3.
What is number twelve?
12, twelve, it's a number!
In words twelve thousand five hundred?
The number as you have it is already expressed in words. Expressed in numbers, it is equal to 12500.
What numbers between twelve and fifteen are equal to twelve?
The number 12.
How many numbers in a dhl tracking number?
twelve
What numbers have exactly twelve factors?
There are infinitely many such numbers. For example, take any prime number to the 11th power and the result will have exactly twelve factors.
What would you usually hunt with the smaller number twelve shot?
Pest control only.
What is the cardinal number for 12?
The cardinal number for 12 is simply "twelve." Cardinal numbers represent quantity, so twelve indicates a count of twelve items. In numerical form, it is written as 12.
How many squares can you make with twelve matches?
five. four smaller squares in a 2x2 formation, which then make up a larger square.
What does twelve mean in math?
Twelve is the name of the number that is two greater than ten. In some languages, the numbers between ten and twenty are treated similarly to those in larger decades. As in ten-one, ten-two, ten-three, and so on. Much more sensible.
How do you change twelve eights into an improper fraction?
twelve eighths is already in improper fraction, an improper fraction is a fraction which has a numerator (top number) larger than the denominator (bottom number)
How do you write 12.8 billion in numbers?
As a number it is: 12,800,000,000 = twelve point eight billion
What is the largest whole number that divides by both seven and twelve?
Since numbers can go on forever there is no "largest number".
Six and twelve thousandths in numbers?
Six and twelve thousandths in numbers = 6.012
What is the mean of two five and twelve?
In order to find the mean of numbers, add up all of the numbers and thn divide it by the number of numbers there are. Adding two, five and twelve equals nineteen. Then divide three into nineteen, and this gives you a mean of 6.33.
