shayrichnaty shayrichnaty

11-10-2020
Mathematics

contestada

Twice the sum of a number and 9 is 30

Translate the statement into a mathematical equation & solve

Respuesta :

Thelondonbrain Thelondonbrain

11-10-2020

Answer:

2x+9 is the equation

x = 10.5

Step-by-step explanation:

2x + 9 = 30

2x = 30 - 9 = 21

x = 21 ÷ 2 = 10.5

Hope this helps!

Answer Link

Otras preguntas

What man is responsible for creating the idea for assembly-line production, which drove down the cost of manufactured goods? harold smith or auguste lumiere or

can someone please help me? American Indians had never traded before the Europeans arrived. True. False.

identify at least two events from 1800s that demonstrate that the US was developing into world power

Does a multi-step equation always , Sometimes, or never have a solution? Explain your reasoning

Which two developments caused industrialization and the economy to grow during the glided age

In the following sentence, which possessive pronoun is being used as an adjective? Our goal is to have four new designs by May.

1. What are some common symptoms of food poisoning? Based on those symptoms, which dinoflagellate do you think is responsible for the outbreak?

How do you derive E = σ/2ε as the electric field around a charged plane?

A ____________ system involves the direct exchange of goods and services without the use of money as a medium of exchange.

please help.thank you