watsupdoc27 watsupdoc27

25-10-2017
Mathematics

contestada

The difference of twice a number and 9 is at least −15

Use the variable b for the unknown number.

PLEASE HELP!

Respuesta :

25-10-2017

Difference means subtraction (-)
Twice a number means × 2
is at least ≥

Put it all together
2b - 9 ≥ -15

Then you can solve for b
2b - 9 ≥ -15
2b ≥ -15 + 9
2b ≥ - 6
b ≥ - 6/2
b ≥ - 3

Answer Link

Otras preguntas

a glorious chance to obtain more virtue and happiness than hitherto blessed our globe. - Mary Wollstonecraft on French Revolution. What does this mean to you?

A is a violation of public law punishable by imprisonment, a fine or both. The two types of crimes are and

What command prompt would you use to ensure all policies are up to date.

I need the exact linear equation pls I need help

Albertson's grocery planned a big sale on apples and received 840 crates from the wholesale market. Albertsons will bag these apples in plastic. Each plastic ba

On your own sheet of paper, write a 16 line poem about symbol

Describe a time when you did something and then you felt really guilty about it. What made you feel guilty and what did you do about that feeling? Did you chang

Banquo's thoughts or feelings about Macbeth:

help with math pleaseeeeee

Marie ran 5.5 miles on Tuesday. This was 1.9 miles less than she ran on Monday. How many miles did she run on Monday?