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If the sum of two numbers is 7 and there product is 25 what is the sum of there reciprocals?
Suppose the two numbers are x and y. Then, the sum of THEIR reciprocals is 1/x + 1/y = y/xy + x/xy = (y + x)/xy = 7/25
How many times does 17 go into 119?
17 goes in 119 7 times.
2 times the sum of y and 5?
2 *5y
The tens digit of a two-digit number is 2 more than the units digit. the number is 4 more than 6 times the sum of the digits. find the number.?
Call your number 10x + y. x = y + 2 and 10x + y = 4 + 6(x + y) Substitute y + 2 for x: 10(y + 2) + y = 4 + 6((y + 2) + y) This simplifies to 10y + 20 + y = 4 + 6y + 12 + 6y, ie 20 - 16 = 12y - 11y so y = 4 and x = 6 Your number is 64, which is indeed 4 more than the sum of its digits.
What is the equation for the line whose x intercept is 4 and y intercept is 7?
y=mx+b y = -(7/4)x + 7
What expression represents 3 times the sum of y and 7?
3(y+7)
6 times the sum of 4 and y?
Algebraic expressions are useful for translating problems into the language of mathematics. An algebraic expression for the problem "6 times the sum of 4 and y" would be: 6(4+y) = 24 + 6y.
What is the answer to 9 Times the sum of x squared and y decreased by 4 times the sum x squared and y?
5(x^2 + y)
What is the algebric expression of 6 times the sum of 4 and y?
6(4+y)
What is the expression for 4 times the sum of a number and 8?
Y = 4 (x+8)
What is an algrebraic expression for the sum of 6 times x and the quantity 4 than y?
It could be: 6x+y+4
Translate the following into an equation 3 times a added to 4 times b the sum is equal to the 12 subtracted from the sum of x and y divided by 7?
Depending on where exactly the commas are in the statement, the equation will be different. Based on the exact punctuation and wording of the question, the equation is: 3a+4b=(x+y)/7-12
The sum of 4 and a number y?
4 + y.
How do you find the missing numbers in a sum or difference?
In an addition sum, if the missing number is the first number, for example, x + 5 = 10, then to find x, perform the sum 10 - 5, producing the solution x = 5. In a subtraction sum, if the missing number is the second number, for example, 7 - y = 4, then to find y, perform the sum 7 - 4 = 3, production the solution y = 3.
The sum of two numbers is 28 and their product is 7 find the sum of the reciprocals of the numbers?
x + y = 28 x*y = 7 x=7/y replacing X in eq 1 7/y+y=28 y^2 - 28y + 7 = 0 using above solutions find the reciprocal and sum -- Dhruv
What is 2 times the sum of x and y?
To find 2 times the sum of x and y, you first need to calculate the sum of x and y by adding the two variables together. Once you have the sum, you multiply it by 2 to get the final result. In mathematical terms, the expression for 2 times the sum of x and y can be written as 2(x + y).
Sum is 6 produce is 7?
Consider sum of two number to be x+y=6 and x/y=7. On substitution, it is found that x=4.42 and y=1.58.
