garcialuis60292 garcialuis60292
  • 04-04-2020
  • Mathematics
contestada

Use mental math to find the sum of 43 and 57

Respuesta :

Аноним Аноним
  • 04-04-2020

Answer:

100

Step-by-step explanation:

43+57=100

I added 3+7=10

Then 40+50=90 and added them

90+10=100

Answer Link
kyleotw kyleotw
  • 04-04-2020

Answer: 100

Step-by-step explanation:

You know that 3+7=10

You know that 40+50=90

90+10=100

Answer Link

Otras preguntas

IN A HURRY GIVING BRAINLIEST TO CORRECT ANSWER How many people said they would buy green and orange t-shirts? A) 10 B) 24 C) 30 D) 39
What are the first four terms of the sequence modeled by the recursive formula a n =a n-1 +5, when a1 = -3?
My solve the inequality 4 - 2x is less than 5
what's 10+5+7+8+9+10​
Find x and TU Show all the work
Number 15 plssssssssssssssssssssssssssss
Brett wants to conduct a survey about who stays for after-school activities at his school. Who should he ask? His friends on the bus Every 10th student entering
Olive oil has a smoke point of 191 degree celsius and soybean oil has a smoke point of 238 degree celsius. With this in mind, explain why olive oil is better us
For what purpose are high-level programming languages used? O Give control over the hardware to execute tasks quickly O Provide code that controls the computer'
Explain the difference between whole grains and refined grains.