mollyhart21 mollyhart21

12-05-2019
Mathematics

contestada

the sum of two numbers is 48 and the difference is 20. what are the number?

Respuesta :

dvclee2 dvclee2

13-05-2019

Answer:

x = 34; y = 14

Step-by-step explanation:

Step 1: Make the equations

x + y = 48

x - y = 20

Step 2: Solve the equations

x + y = 48

x - y = 20

2x = 68

x = 34

34 + y = 48

y = 14

Answer Link

Otras preguntas

Ethan is modeling food chains he observes in his local ecosystem. Which of these models represent possible food chains he might observe? Select all that apply.

What is the velocity in inches per second of a roll that has a speed of 140 rpm and a diameter of 2.4 cm?

Divide. −10 ÷ −2 Drag and drop the correct number into the box to complete the sentence. The quotient is :

What is the periodic table?a. a tool to organize the elements.b. a list of properties of elements.c. a method to name elements.d. a table to record discoveries.

How are sand dunes and deltas similar?

Whose epithet is god of the sea-blue mane?

rs-t=us+v; solve for s

I want to start and publish my story . But I don’t know where to start . Any ideas that can help me

evaluate 9!/6!3! . A. 1 B. 84 C. 168

Select the correct answer. Which term defines a well-tested, scientifically supported statement that explains how something works?