B, T=2L+7, Toby is 2*the age of liv plus 7 years
Answer:
- 2 < x < 2
Step-by-step explanation:
Given
- 3 < 2x + 1 < 5 ( subtract 1 from each interval )
- 4 < 2x < 4 ( divide each interval by 2 )
- 2 < x < 2
Answer:
c. The circuit is most likely defective, but it might be good
Step-by-step explanation:
A hypothesis test is being conducted, where electrician uses an instrument to test whether or not an electrical circuit is defective.
The instrument sometimes malfunctions, it fails to detect that a circuit is good and working.
Null hypothesis = H₀ = Circuit is good and works (not defective)
Alternative hypothesis = Ha = Circuit is not good and doesn't work (defective)
If the electrician rejects the null hypothesis, then it means that the circuit is most likely to be defective, but it might be good since the instrument sometimes malfunctions and fails to detect that the circuit is good. Therefore, option C is the correct option.
Answer:
John has 126 apples.
Step-by-step explanation:
If John has 7 full boxes and 7 half boxes and each box has 12 then you have too
12 times 7 = 84 (this id how many apples are in the full boxes)
Then 12 ÷ 2 × 7 = 42 ( the number of half boxes)
Then you add them together:
84 + 42 = 126
So you get 126
Hope this helped!
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