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Crank
2 years ago
8

5. Friday night’s hockey game was attended by 180 students. This is about 60% of the school’s population. What is the total popu

lation of the school?
Mathematics
1 answer:
Ugo [173]2 years ago
6 0
180*60%=180*60/100=10800/100=108
180+108=288
So the total population os school is 288 students!
If you have any questions ask down below!
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What is a equivalent ratio to 8:9
LenKa [72]

Answer:16:18

Step-by-step explanation:

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3 years ago
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What is 8x + -13x I just want to see if the answers are as quick as it says it is
Dafna1 [17]
- 5x. 
In case you actually want to know how I got it:
the question is just saying "8x - 13x".
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4 0
3 years ago
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The function h(t) = -16t^2 + 16t represents the height (in feet) of a horse (t) seconds after it jumps during a steeplechase.
Vladimir79 [104]
A.) To find the maximum height, we can take the derivative of h(t). This will give us the rate at which the horse jumps (velocity) at time t.

h'(t) = -32t + 16

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b.) To find out if the horse can clear a fence that is 3.5 feet tall, we can plug 0.5 in for t in h(t) and solve for the maximum height.

h(0.5) = -16(0.5)^2 + 16(-0.5) = 4 feet

If 4 is the maximum height the horse can jump, then yes, it can clear a 3.5 foot tall fence.

c.) We know that the horse is in the air whenever h(t) is greater than 0. 

-16t^2 + 16t = 0

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So if the horse is on the ground at t = 0 and t = 1, then we know it was in the air for 1 second.
7 0
3 years ago
Lucia is making invisibility potions. Each potion requires 2 eyes of newt. How many invisibility potions can Lucia make with 16
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hope this helps!
4 0
3 years ago
1/2(15)(13+17) Whats the answer?
lidiya [134]

1/2(15)(13+17)

15/2(13+17)

15/2(30)

= 225

I hoe that's help.

8 0
3 years ago
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