a4nandachBones a4nandachBones

01-10-2016
Mathematics

contestada

the sum of two numbers is 18 and their difference is 4

Respuesta :

texaschic101 texaschic101

01-10-2016

a + b = 18
a - b = 4
-------------add
2a = 22
a = 22/2
a = 11

a + b = 18
11 + b = 18
b = 18 - 11
b = 7

ur 2 numbers are 7 and 11

Answer Link

Otras preguntas

What nitrogenous base is found in RNA that is not found in DNA? A. thymine B. uracil C. guanine

Will ag2so4 precipitate when 100ml of .050M agno3 is mixed with 10ml of 5x10-2m na2so4 solution

If he leaves the ramp with a speed of 30.5 m/s and has a speed of 28.7 m/s at the top of his trajectory, determine his maximum height (h) (in m) above the end o

PLEASE ANSWER IF YOUR 100% SURE! AND NO PHONY ANSWERS TY! Find the surface area of this cube. Be sure to include the correct unit in your answer. 9 ft 9 ft 9 ft

The sampling distribution of a statistic is

Which type of insurance policy would someone get to protect others only? health insurance life insurance property insurance disability insurance

A chemist who studies water samples did a demonstration of how to test for lead in water. She added a clear solution of potassium iodide to a clear solution of

Which of the following does not describe a rigid motion transformation? ~A. reflecting a figure about a line ~B. rotating a figure 270 degrees ~C. dilating a fi

can anyone help me understand how to solve this equation? 2c-4+c= -8+2c

expin New strands are proofread and repaired acer polymerase