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

rewrite the expression without using grouping symbols. -6(8+12)

in rabbits, black fur is dominant over white fur. Show the cross of a heterozygous black male with a homozygous white female.

in rabbits, black fur is dominant over white fur. Show the cross of a heterozygous black male with a homozygous white female.

The distance from home plate to second base is about 127.3 ft. 1. How would you find the distance between the bases.2. Estimate the distance between the base

What is 689 divided by 53

how do you can you solve this problem 37 + y = 87; y =

Can water and pebbles form a solution?

The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital c

You work at a clothing store, and your boss wants you to find out which type of shirt had the highest percentage of sales. You found that 13 out of 20 tank tops

do you know 3 prime numbers that equal 32