0
What is fifteen less than the square of a number is the same as twice the numberfind the number?
Wiki User
∙ 10y ago
x2 - 15 = 2x
x2 - 2x - 15 = 0
x2 - 2x - 15 = (x - 5)(x + 3)
x = 5, -3
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
Negative fifteen is three more than twice a numberFind the number?
This can easily be solved using algebra. First, translate the meaning of the sentence into an algebraic equation.supposing x is the number,-15 + 3 = 2(x)-12 = 2xx = -6
What is eleven decreased by twice a number is fifteen?
13
What is eleven decreased by twice a number is fifteen what is the number?
the number is negative two.
Translate the difference between twice a number and four time the sum of the number and seven is equal to two?
The difference between a number x and twice y is equal to fifteen.
The square of a positive number is twice as big as the cube of that number What is the number?
8
Negative fifteen is three more than twice a numberFind the number?
This can easily be solved using algebra. First, translate the meaning of the sentence into an algebraic equation.supposing x is the number,-15 + 3 = 2(x)-12 = 2xx = -6
What is eleven decreased by twice a number is fifteen?
13
What is eleven decreased by twice a number is fifteen what is the number?
the number is negative two.
The sum of two number and one is 100 if the first number is twice the second number numberfind the number?
If the first number is 100 then the second number is 50 and the sum is 150. If the second number is 100 then the first number is 200 and the sum is 300. The question cannot be answered with one solution as it is currently worded.
The sum of twice a number and five is fifteen?
2x + 5 = 152x = 10x = 5The number is 5.
Translate the difference between twice a number and four time the sum of the number and seven is equal to two?
The difference between a number x and twice y is equal to fifteen.
The square of a positive number is twice as big as the cube of that number What is the number?
8
Is 52 a square number?
No it is not. A Square number is one that can be expressed as the product of the same number twice. Ex: 49 is a square number 7 * 7 or 72
What is the difference between the square of a number and twice the number?
Twice the number is something like 3x2, 4x2.... Squared is 3x3, 4x4. It's one number multiplied by itself twice
The sum of two numbers is 36 the first number is three more than twice the second numberfind the larger number?
Let's call the larger number 2x+3 and the smaller number x: 2x+3+x = 36 2x+x = 36-3 3x = 33 x = 11 So: 2*11+3 = 25 which is the value of the larger number.
Why does 16 have an odd number of factors?
It's a square number. Square numbers have a factor pair that is the same number twice. When listed, that number occurs once.
Which square number is twice as big as 24.5?
2*24.5 = 49
