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Kaylis [27]
3 years ago
5

I Plz help I’m getting timed

Mathematics
1 answer:
topjm [15]3 years ago
6 0

Answer:

2 2/3 + 2 1/3 = 5

Step-by-step explanation:

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How much does each child receive for school supplies?
Debora [2.8K]

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$13.5

Step-by-step explanation:

Divide the total amount raised by how many students the money was divided among.

135/10=13.5

3 0
3 years ago
Please answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
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Step-by-step explanation:

3 0
2 years ago
Arthur drops a ball from a height of 81 feet above the ground. Its height, h, is given by the equation h = –16t2 + 81, where t i
Lorico [155]

Answer:

Step-by-step explanation:

We are given the position function and need to find the value of t when h<17.

Create an inequality that represents this situation:

-16t^2+81 The "less than" sign makes this very specifically a conjunction problem as opposed to a disjunction. That's important to the solution. But we'll get there.

The simplest way to solve this is to subtract 81 from both sides:

-16t^2 then divide both sides by -16:

t^2>4 Notice now that the sign is facing the other way since we had to divide by a negative number. Now it's a disjunction. The solution set to this inequality is that t>2 or t<-2. First and foremost, time will never be negative, so we can disregard the -2. Even if that was t<2, the more time that goes by, the greater the time interval is, not the lesser. It's the "<" that doesn't make sense, not only the -2. The solution to this inequality is

t > 2 sec. That means that after 2 seconds, the height of the ball is less than 17 feet.

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