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irga5000 [103]
3 years ago
6

A=21000(1-0.12)^t What is the rate of change per time period

Mathematics
2 answers:
nataly862011 [7]3 years ago
7 0
It is, the FitnessGram™ Pacer Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter pacer test will begin in 30 seconds. ... The running speed starts slowly, but gets faster each minute after you hear this signal
alexira [117]3 years ago
5 0
The rate of change per time period :

The answer is : "exponential decay and 12 %"

I hope this helps

A= 12000 (1-0.12) ^t

0.12(move decimal twice right) = 12%

therefore it is decay
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Find the distance between the points (-3, -6) and (5,9).<br> Hint: Use the Pythagorean theorem.
Zinaida [17]

Answer:

The distance between the points (-3, -6) and (5, 9) is 15 units.

Step-by-step explanation:

Given the points

  • (-3, -6)
  • (5, 9)

First, we need to find the distance between the two x-coordinates. For this, we need to count the distance from 0 to another point. Then we just add them together.

i.e.

-3 to get to 0 takes 3 units

0 to 5 takes 5 units

3+5=8 units

Just do the same for y-coordinate

From -6 to 0 takes 6 units

0 to 9 takes 9 units

6+9 = 15 units

Therefore, we get the base and height.

Now using the Pythagoras' Theorem to find the distance:

c² = 8² + 15²

c² = 289

\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}

c=\sqrt{289},\:c=-\sqrt{289}

c=17,\:c=-17

As the distance can not be negative.

so

  • c = 15 units

Thus, the distance between the points (-3, -6) and (5, 9) is 15 units.

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3 years ago
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Answer:

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Find the HCF of the following by
Delicious77 [7]

Answer:

here

72, 54, 27 are divisible by 3, to check divisibility by 3 we have to add the digits.

dividing all three digits by 3 we get :

3 x <u>24</u> =  72

3 x <u>18</u> = 54

3 x <u>9</u> = 27

now we have 24, 18, 9

check divisibility by 2, but no, it is not possible. 2 is not divisible by 5 so we take 3, yes three is divisible

24, 18, 9

<u>3 x 8 = 24</u>

<u>3 x 6 = 18</u>

<u>3 x 3 = 9</u>

so now we have 8,6,3

this is neither divisible by 2 or 3 so now we multiply 3 x 3

= 9

second answer is 4  

7 0
3 years ago
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