lilerocks473 lilerocks473

29-09-2021
Mathematics

contestada

Tell how the Commutative and Associative Properties of Addition can help you evaluate the expression using mental math. -2 + (-47 - 8)

Respuesta :

30-09-2021

Answer:

-57

Step-by-step explanation:

For mental math, we need to find additions that make 10s like 8 + 2 = 10.

-2 + (-47 - 8)

= -2 - 47 - 8

= -2 - 8 - 47

= (-2 - 8) - 47

= -10 - 47

= -57

Answer Link

9481528 9481528

30-09-2021

Answer:

-57

Step-by-step explanation:

Answer Link

Otras preguntas

Casey uses some of his savings on batting practice. The cost of renting a batting cage for 1 hour is $6. He rents a cage for 9 hours in each of two months. What

the ratio to the number of adults to students at the prom has to 1:10 last year there were 477 more students than adults at the prom if the school is expecting

8-1×0+2÷2=? It looks easy, so many different results.

How do scientists study prehistory without the aid of written records from that time?

100 is 1/10 of what number?

what is a unit form of (2 tens 1 one) × 10

one pint is equivalent to 0.473 How many liters are in a pint? are 0.47 and 0.5 liters in a pint the same if so how?

give me simile about a door, garage, box, and teacher? thanks.

Gina wants to ride the waves at flagship pier in Galveston, so she rents a surfboard for $5 per hour plus an initial, or beginning, payment of $20. For how many

Casey uses some of his savings on batting practice. The cost of renting a batting cage for 1 hour is $6. He rents a cage for 9 hours in each of two months. What