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

Solve, a rectangle prison is 4 units by 2 1/2 units by 1 1/2 units. How many cubes with a side length of 1/2 units will completely fill the prism?

Suppose that your application uses a loop that isn�t producing the intended results. the best way to analyze what�s going on in the loop is to set a breakpoint

The nurse is required to design a teaching plan for a client with a ruptured achilles tendon. which of the following would the nurse emphasize?

Cultural nuances, subcultures, and consumers' different views of their roles in different countries can make __________ complicated.

Help me please I need some help

Which phrase matches the algebraic expression below? 2(x + 7) + 10

7 fruit tarts. Each tart needs 3/4 cup of strawberries and 1/4 cup of blueberries. What is the total amount of fruit needed

Gross domestic product (GDP) is a measure of how much a country produces. How does improved technology increase a country’s GDP? A. Improved technology allows w

How many calories of heat make up 1 calorie?

The number of protons within the atom's nucleus is called atomic number and is equal to the number of electrons in any neutral atom. each atomic number identifi