str8fac3jay str8fac3jay

24-11-2018
Mathematics

contestada

Forty-five less than twice a number is five times that number . What is the number ?

Respuesta :

Joshkd02 Joshkd02

24-11-2018

2n=5n-45

3n=45

the number is 15

Answer Link

taymiah1 taymiah1

25-11-2018

The answer is -15.

2n-45=5n
-2n -2n
——————-

-45=3n
—- —-
3 3

-15=n

2(-15)-45=5(-15)

-30-45=-75

-75=-75

Answer Link

Otras preguntas

The flowers of the bunchberry plant open with astonishing force and speed, causing the pollen grains to be ejected out of the flower in a mere 0.30 ms at an acc

did you know that a lot of surveys have trick questions to make sure you're actually reading the question? you can get disqualified for surveys if you answer tr

which instruments usually played the melody?

4x=3y+3, 6y=8x+36. determine whether the following pair is parallel or perpendicular

He equation of line m is 4x+5y=?2. What is the slope of a line that is perpendicular to line m? Enter your answer in the box.

Who could vote for representatives in the lower house?

The record high temperature on January 15 is 41°F. The record low temperature on that day is -16°F. What is the difference in the record temperatures?

Which of the following conditions will cause a rock body to become deformed?

if 4 is added to a half of a number the result is equal to 8 ,what is the number

Carol wants to decrease the voltage of the generated power so that she can safely use it. Which device should she use? A. Motor B. Generator C.Step-up transform