Question

The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.

111

likes

555 views

Answer to a math question The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.

$Expert avatar$

Timmothy

4.8

99 Answers

Let x,y be the two numbers then, x+y=144 --(1) now, 2x-3y=63 --(2) from (1),x=144-y now substituting x value in eq(2) 2(144-y)-3y=63 288-2y-3y=63 288-5y=63 5y=288-63 5y=225 y=45 now finding x value, x=144-45 x=99 Therefore,the two numbers are 99,45

Frequently asked questions (FAQs)

What is the vertical asymptote of the reciprocal/rational function f(x) = 1/x?

Find the cosine of an angle if the adjacent side measures 3 units and the hypotenuse measures 5 units.

Question: Solve the system of inequalities: 1) 2x + 3y ≤ 102) x - y > 5

New questions in Mathematics

1 + 1

a ferry travels 1/6 of the distance between two ports in 3/7 hour. the ferry travels at a constant rate. at this rate, what fraction of the distance between the two ports can the ferry travel in one hour?

Jose bought 3/4 of oil and his sister bought 6/8, which of the two bought more oil?

If O(3,-2) is reflected across x = 2. What are the coordinates of O

4x-3y=24 and 5x-2y=9 solve by elimination

-4y-6(2z-4y)-6

Credit title that represents a payment order. This model, which emerged in Brazil, can only be issued in two specific situations: in the purchase and sale of commercial products or in the provision of services. Select the correct alternative: Question 6Answer The. Present value B. Promissory note w. Present value d. Duplicate It is. Bill of exchange

how many arrangement can be made of 4 letters chosen from the 8 letters of the world ABBSOLUTE

Suppose the Golf ball market is perfectly competitive and the functions are known: Q = 120 – 2Px – 2Py 0.2I Q = 2Px 40 Where I = Consumers' income ($200) and Py = Price of Good Y (40) Calculate the equilibrium elasticity: a) 1.6 b) -6 c) 6 d) 0.6

Three squares have a total area of 35.25 𝑐𝑚2 . The larger square has twice the side-length of the middle-sized square. The smaller square has its side length exactly 0.5 cm smaller than the middle-sixed square. Find the side lengths of each of the three squares.

Let v be the set of all ordered pairs of real numbers and consider the scalar addition and multiplication operations defined by: u+v=(x,y)+(s,t)=(x+s+1,y+t -two) au=a.(x,y)=(ax+a-1,ay-2a+2) It is known that this set with the operations defined above is a vector space. A) calculate u+v is au for u=(-2,3),v=(1,-2) and a=2 B) show that (0,0) #0 Suggestion find a vector W such that u+w=u C) who is the vector -u D) show that axiom A4 holds:-u+u=0

Quadratic equation 2X = 15/X + 7

(X+2)(x+3)=4x+18

A multiple choice exam is made up of 10 questions; Each question has 5 options and only one of them is correct. If a person answers at random, what is the probability of answering only 3 good questions?

Solve for B write your answer as a fraction or as a whole number. B-1/7=4

The average undergraduate cost per tuition, fees, room, and board for all institutions last year was $26,025. A random sample of 40 institutions of higher learning this year indicated that the mean tuition, fees, room, and board for the sample was $27,690, and the population standard deviation is $5492. At the 0.05 level of significance, is there sufficient evidence that the cost has increased? (Remember to follow the steps in hypothesis testing)

Find the set of points formed by the expression 𝜋<|𝑧−4+2𝑖|<3𝜋.

Consider the function f(x)=1/2(x+1)^2-3. Use the preceding/following interval method to estimate the instantaneous rate of change at 𝑥 = 1.

How many digits are there in Hindu-Arabic form of numeral 26 × 1011

A plant found at the bottom of a lake doubles in size every 10 days. Yeah It is known that in 300 days it has covered the entire lake, indicate how many days it will take to cover the entire lake four similar plants.

The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.

Answer to a math question The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.

You might be interested in