ilovelizah ilovelizah

02-12-2016
Mathematics

contestada

when a number is decreased by 10% of itself, the result is 171. what is the number?

Respuesta :

bartdrinksmalk bartdrinksmalk

02-12-2016

For some number [tex]x[/tex], we subtract [tex]0.1x[/tex] and get 171.

So we have:
[tex]x-0.1x=171[/tex]
[tex]\rightarrow 0.9x=171[/tex]
[tex]\rightarrow x=190[/tex]

Answer Link

Otras preguntas

3. Carpet costs $7.00 per square yard. How much will it cost for a 16-foot x 18-foot carpet? please show all work and formulas

Professional baseball player Nolan Ryan could pitch a baseball at approximately 160.0 km/h. At that average velocity, how long (in s) did it take a ball thrown

(3x^3+5-3x^4) - (-5x^4+4+x^3) Express the answer in standard form. Enter your answer in the box.

Write the converse, inverse, and contrapositive of the following conditional statement “If I go to college, I will get a better job.”

√ 19 + 6^2 ÷ 7.2^2 I need help ASAP

For what values of the variables are the following expressions defined? •18/y

Cities A & B are 5 inches apart on a map. Cities C&D are 4 inches apart. If C & D are 900 miles apart, how many miles apart are cities A and B?

What is the magnitude of electrostatic force of attraction between two alpha particles separated at a distance 5.3x10-11m? (1 apha particle = change of proton)

408 J of energy is transferred to a system consisting of 2.0 moles of an ideal gas. If the volume of this gas stays at a constant 4.4 L, calculate the change in

At Jamal's Juices, each smoothie requires 16 oz of juice, which costs $0.15/oz. It takes 0.10 hrs of direct labor to make smoothies, at $9.35 per DLH. Variable