grether22 grether22

18-05-2015
Mathematics

contestada

Three times the difference between ten times a number and three is eighty-one.

Respuesta :

Аноним Аноним

18-05-2015

[tex]n-the\ number\\\\3(10n-3)=81\ \ \ \ |divide\ both\ sides\ by\ 3\\\\10n-3=27\ \ \ \ \ |add\ 3\ to\ both\ sides\\\\10n=30\ \ \ \ \ |divide\ both\ sides\ by\ 10\\\\\boxed{n=3}[/tex]

Answer Link

Otras preguntas

5.201. I ... worried if you hadn't told me you would be late. a) would have got b) must have got c) can't have got d) will have got 5.202. If we ... missed the

Which of the following is equivalent to 1.92? O 1.92% O 19.2% 25 23 23 1- 25

8. (7.PS1.1) A teacher has developed models of atoms for specific elements on the periodic table and wants her students to determine which two elements the mode

2. Describe the technique astronomers use to find which elements are present in a star. 3. Describe which atoms tend to be radioactive. 4. Describe how an arche

Convert 1.429 atm to mmHg. Remember that 1 atm = 760 mmHg. -3 O 1.880 x 10 mmHg O 0.0141 mmHg O 144.8 mmHg O 1.086 x 10³ mmHg

the small dots are composed of

Medicare Parts C and D sponsors are not required to have a compliance program. a. True b. False

According to social-cognitive theorists, what determines how a person responds to life events? The response is predictable based on stable traits. The respons

Why are opioids prescribed?

1.What kind of voice does Bradbury provide through Montag? What does this voice tell us about the concerns and dreams of his generation? 2.How do the key elemen