mars1234 mars1234

24-08-2017
Mathematics

contestada

Which expression is equal to 7(1+3)

A.) 7+21

B.) 7+3

C.) 1+21

D.) 7+4

Respuesta :

alybsinger alybsinger

24-08-2017

By using the distributive property, you find that 7(1+3) = 7 + 21

Therefore, A

Answer Link

apologiabiology apologiabiology

24-08-2017

we can distribute
remember
a(b+c)=ab+ac
so
7(1+3)=7(1)+7(3)=7+21

that is A
the answer is A

Answer Link

Otras preguntas

Why did the government need to link university research centers with military installations? A- To take courses online. B- To have better contacts between teach

You spin a spinner numbered 1 through 10. Each outcome is equally likely. Find P(number greater than 0) as a fraction, decimal, and percent. A.) 9/10; 0.9; 90%

How did land reform affect the power structure of Japanese society?

What will cause water to enter a cell

what is the answer please im so anyyoned its inquatiltys and greater than less than please help

What’s the slope of -2x+8

Although modified to perform a different task, a horse's front leg is made up of the same bones as is your arm. this suggests a common ancestor between horses a

why did many people oppose the passage of the sedition act of 1798?

What is a current piece of social change that you think people in society are resistant to? why do you think this resistance is happening? do you think the soci

Read the senteces in correct order. He worked hard and people paid him. The smith shod the horse. People were afraid of Wayland. Wayland left England. The time