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steposvetlana [31]
3 years ago
14

Pam likes to practice dancing while preparing for a math tournament. She spends 80 minutes every day practicing dance and math.

To help her concentrate better on math, she spends 20 minutes more dancing than doing math.
How much time does Pam spend on practicing math every day?
Mathematics
2 answers:
Kisachek [45]3 years ago
8 0
80/2= 20 then take away the extra 20 from the math for dance and you have the answer... 20 get it?
Varvara68 [4.7K]3 years ago
4 0

Answer: 20

Step-by-step explanation:

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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

When the horse reaches its maximum height, its position on h(t) will be at the top of the parabola. The slope at this point will be zero because the line tangent to the peak of a parabola is a horizontal line. By setting h'(t) equal to 0, we can find the critical numbers which will be the maximum and minimum t values.

-32t + 16 = 0

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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. 

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-16t(t-1)=0

t = 0 and 1

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.
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3 years ago
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Whats the awenser for (9m - 6)7
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Answer:

  see below

Step-by-step explanation:

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