Answer:
Step-by-step explanation:
It is not a function
The 4 in the domain is used more than once
Answer:
X=5.5cm
Step-by-step explanation:
Hope this helped.
3
1
390
x 42
-------
1282
1564
----------------
the answer would be 16380
Hope this helped :)
You would do 129/3 so he drove 43 miles per hour
Kim's age is twice of that of her sister. We'll let k2 = Kim and k = Kim's sister.
So, k2. When you add Kim's age to her sister age you get 36.
Because Kim is twice the age of her sister k2. And because it said 'add' then we put a + sign. k2 + s = 36. Now let's solve it.
k2 + k = 36 < Given
3k = 36 < Combine like terms
k = 12 < Divide both sides by 3
We know Kim's sister is 12 y/o but what about Kim herself? Earlier we assigned Kim to k2. Substitute 12 for k and you get 12(2) = 24
Kim's sister is 12 y/o and Kim is 24 y/o
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