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

What is 6 divided by 1/5?
Sharona's age is at most 3 more than twice Kayla's age. If Sharona is 35 years old, write an inequality that best represents the situation, where a represents K
A word for the ending of a story in which things are wrapped up
If 6000 lb/day = t\wk what is the anwser
complete the pattern 9.5 950 95,000
7 - 3 = -x + 1 Solve for X.
An endemic disease is best described as a disease that __________. a. rarely affects a specific place or group of people b. is characteristic of a specific pl
What figure of speech is used in this line from Walt Whitman's poem "I Hear America Singing"? I hear America singing, the varied carols I hear
981,657 rounded to nearest ten thousand
Angela earns $6.25 per hour babysitting. Estimate how much she will earn if she babysits for 9 hours this weekend. Explain.