The answer is 5 remainder 4
Answer: The age of the twins is 10 years.
Step-by-step explanation:
Suppose the age of older sister be x
Let the age of twins sister be x-9, as they are born after 9 years.
Product of their ages be
Sum of their ages will be
According to question,
So, Age of older sister will be 19 years.
Age of the twins will be
Hence, the age of the twins is 10 years.
Answer:
1 = Communative property of addition
2 = distribution property
3 = Associative property of multiplacation
4 = Communative property of multiplacation
5 = Associative property of addition
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Answer:
42.4 miles per day
Step-by-step explanation:
212 miles ÷ 5 (days) = 42.4 miles
which means Lena can go at the rate of
42.4 miles per day
Answer:
b = 9.2 (Rounded to the nearest tenth)
Step-by-step explanation:
ABC is a <u>right-angled</u> triangle at B.
Then ,according to the <u>Pythagorean theorem</u>: