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bonufazy [111]
3 years ago
14

Please help. URGENT. THANK YOU

Mathematics
1 answer:
adelina 88 [10]3 years ago
4 0

Answer:

6

Step-by-step explanation:

The maximum value of the sin function is at \dfrac{\pi}{2}, when sin is equal to 1. Since you need to multiply pi/12 by 6 to get to pi/2, the maximum amount of people will be at the square after 6 hours. Hope this helps!

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There are 620 students and 31 teachers at the Turner Middle School.There are 950 students and 38 teachers at the Green Middle Sc
kicyunya [14]
We begin with the <span> Turner Middle School:
Ratio of students to teachers: </span>\frac{620}{31}
Green Middle School:
Ratio of students to teachers: \frac{950}{38}
Let check that we cannot form a proportion:
\frac{620}{31}=20\text{ and } \frac{950}{38}=25
The two ratios are not equals so we cannot form a proportion. 
Let x be the number of <span>teachers that Green have to hire in order to make the two ratios equal. We get the equation:
</span>\frac{950}{38+x}=\frac{620}{31}\text{ and we solve the equation like this:}\\38+x=\frac{950\times31}{620}=47.5 \text{ and then:}\\x=47.5-38=9.5

<span>The Green school need to hire 9 teachers. 

Part-to-whole ratio:
</span>Turner Middle School:
 \frac{620}{31+620}
Green Middle School:
\frac{950}{38+950}
8 0
3 years ago
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Drag each tile to the correct box.
andrew11 [14]

Answer:

Step-by-step explanation:

4 0
2 years ago
I NEED THE ANSWER PLFAST PLEASE
Levart [38]

Answer:

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Step-by-step explanation:

multiplication and inference

8 0
3 years ago
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jeyben [28]

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Step-by-step explanation:

5 0
3 years ago
Martin burns 360 calories running for 30 minutes. Paul burns 165 calories for every 15 minute he runs. If Kara runs for 20 minut
Yanka [14]

Answer:  She would have to burn between 220 and 240 calories per minute to have a calorie burn rate between those of Martin and Paul.

Step-by-step explanation:

Martin:

360 calories / 30 min = 12 calories/min

Paul:

165 calories / 15 min = 11 calories/min

Kara:

Needs to burn between 11 and 12 calories/min, so we'll calculate the range:

11 calories/min x 20 min = 220 calories (minimum # calories she can burn)

12 calories/min x 20 min = 240 calories (maximum # calories she can burn)

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3 years ago
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