alex9090 alex9090

11-02-2016
Mathematics

contestada

which expresions is equivalent to 2a + 5(b + 7a)?

A.) 7a + 12b B.) 37a + 5b C.) 9a + 5b D.) 2a + 35b

Respuesta :

11-02-2016

Correct answer is B.

[tex]2a+5(b+7a)=2a+5*b+5*7b=2a+5b+35a=37a+5b[/tex] :)

Answer Link

18-02-2016

[tex]2a + 5(b + 7a)\\\\\sf{Distribute~the~5}\\\\\sf{Distributive ~property:~a(b+c)=ab+ac}\\\\2a + 5(b + 7a)\\\\=2a + 5b + 5(7a)\\\\=2a + 5b + 35a\\\\=\boxed{\bf{37a+5b}}[/tex]

Your final answer is B.

Answer Link

Otras preguntas

How do you find the y intercept

a microwave oven has a power rating of 850 w. If the microwave oven is turned on for 6 minutes ,how much energy will it use? state the units in your answer

What's 40 divided by .05

what is the average of 36 26 30 and 28

Frederick the great of Prussia A)abolished serfdom B)enlarged the army C)replaced aristocratic officers D)eliminated religious toleration.

Why did Civil Rights leaders expect that World War II would help their movement reach its goals more quickly? African Americans were strong supporters of the wa

A group of 10 friends had lunch together at a restaurant. The meal cost a total of $99.50, including a 15% tip. How much was the total bill for lunch before the

How Does the Israeli-Palestinian Conflict Most Directly Affect the daily lives of young people in Jerusalem? A.Civilian Violence B.Peace Talks

abby and frank decided that to save money, they would move themselves from their apartment to their new house. they had to rent a truck to do this,. because the

Can a pair of straight angles be adjacent angles