theking42016
theking42016
03-02-2017
Mathematics
contestada
How to simplify 5+10(2n+7)
Respuesta :
dashboi007
dashboi007
03-02-2017
5 + 10 (2n + 7)
=5 + 20n + 70
=75 + 20n
U first do the brackets
10 x 2n = 20n
10 x 7 = 70
then u simplify any like variables left
5 + 20n + 70
5 and 70 are like, so add them too
75 + 20n
and thrs nothing left
Answer Link
VER TODAS LAS RESPUESTAS ( 36+ )
Otras preguntas
Which formula represents an unsaturated hydrocarbon? (1) C2H6 (3) C5H8 (2) C3H8 (4) C6H14
Which of these contains only one substance? A. distilled water B. sugar water C. saltwater D. rainwater
what are two different numbers that round to 9.2 when rounded to the nearest tenth
factorise this expression: 7y + 14
What is a problem commonly associated with nuclear power facilities? (1) A small quantity of energy is produced. (2) Reaction products contribute to acid rain.
Given the balanced equation representing a reaction occurring in an electrolytic cell: 2NaCl(l)==> 2Na(l) + Cl2(g) Where is Na(l) produced in the cell? (1) a
If n > 0 , which of the following must be true? I n² > 1 II n - n² < 0 III 2n - 1 > 0 a. I only b. II only c. III only d. I and II only e. none
topic sentence about venus
Radioactive cobalt-60 is used in radiation therapy treatment. Cobalt-60 undergoes beta decay. This type of nuclear reaction is called (1) natural transmutation
Why has the power to regulate interstate commerce become such an important power of Congress?
