peter1104 peter1104

23-12-2016
Mathematics

contestada

One number is 2 less than a second number. Twice the second number is 17 less than 5 times the first

Respuesta :

djsdoodle djsdoodle

26-12-2016

x=y-2
2y=5x-17
Substituting for x into the second equation, we find
2y=5(y-2)-17
2y=5y-10-17
-3y=-27
y=9
So x=7
Thus, the two numbers are 7 and 9.

Answer Link

Otras preguntas

Hi guys I’m writing a research paper about “how William Butler Yeats Irish identity shaped his poetry” I need some facts and ideas to write about. Also I need t

What has 4 fingers and a thumb,but is not living?

Now consider a new situation: The ball is thrown upward from the ground with an initial velocity that takes exactly the same time tBA = tAB = 0.45 s to pass by

One of your classmates says that the pollution from his car doesn't harm the environment because the exhaust is warm and warm air will rise out of the atmospher

50 points, please answer quickly thank you.

If the underlined sentences are subordinate or independent

if 15.8 grams of sodium react with excess water, how many liters of hydrogen gas can be produced at 303 Kelvin at 1.30 atmospheres?

Both of calciums electrons are in its innermost shell. Explain why.

Solve x2 + 8x − 3 = 0 using the completing-the-square method.

Photo attached! 10 points! Thank you in advance!!