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prohojiy [21]
3 years ago
6

the product of two numbers is 450. the first number is half the second number. which equation can be used to find x, the greater

number?
Mathematics
2 answers:
Hunter-Best [27]3 years ago
4 0
Xy = 450

y = x/2 => x=2y  substituted inside first equation will get 2y*y=450 => y^2 = 225

y=15 because 15*15=225

x=2y so x=2*15 = 30 

x=30
y=15

hope this will help you 
Ilia_Sergeevich [38]3 years ago
3 0

Answer:

\frac{1}{2}y\cdot y=450

Step-by-step explanation:

Let x represent 1st number and y represent 2nd number.

We have been given that the product of two numbers is 450. We can represent this information in an equation as:

x\cdot y=450...(1)

We are also told that the first number is half the second number. We can represent this information in an equation as:

x=\frac{1}{2}y...(2)

To solve for greater number ,y, we will substitute equation (2) in equation (1) as:

\frac{1}{2}y\cdot y=450

Therefore, our required equation would be \frac{1}{2}y\cdot y=450.

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