Answer:
I can't see the questions properly
Step-by-step explanation:
==> The number of positive integers divisible by 7 but not by 11<span> is </span>142<span> - </span>12<span> = 130. ==>the number of positive integers less than 1000 that are divisible by either 7 or </span>11<span>is </span>142<span> + </span>90<span> - </span>12<span> = </span>220<span>. ==>the number of positive integers less than 1000 that are divisible by exactly by one of 7 and </span>11<span> is </span>220<span> - </span>12<span> = </span>208<span>.</span>
9514 1404 393
Explanation:
The problem statement tells you the meaning of t. It is minutes after Riko leaves. 0 ≤ t < 52.5 is the answer to the question regarding the interval Riko is behind Yuto. It means Riko is behind Yuto for 52.5 minutes after she leaves their house.
t will not be negative because time moves forward. Here, we're only counting time <em>after Riko leaves the house</em>. A negative value for t would refer to a time before Riko leaves the house, which is irrelevant in this problem.*
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* One might argue that Riko is behind Yuto for all values of time <em>after Yuto leaves the house</em>, which would be for -21 < t < 52.5. The concept of "behind Yuto" has no meaning except in that interval.
Answer:
= -3h + 2.3k -7
Step-by-step explanation:
you want to distribute your negative to each value in parentheses
remember that negative x negative = positive
remember that negative x positive = negative
