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Sveta_85 [38]
3 years ago
11

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the

Mathematics
1 answer:
natta225 [31]3 years ago
3 0

Answer:

Step-by-step explanation:

dy/dx = -32x + 200

maximum height when dy/dx = 0

-32x + 200 = 0

x = 6.25 seconds

y = -16·6.25² + 200·6.25 + 82 = 707 feet

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Laura jog around the soccer field that 80m by 120m.how many yards does she goes around the field two times?​
exis [7]

A rectangle has two couples of equal sides, so a soccer fields has two 80-meters sides and two 120-meters sides.

This leads to a perimeter of

120+120+80+80=400 \text{ m}

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8 0
3 years ago
If an integer n has three unique prime divisors, then it follows that the largest prime divisor of n is less than or equal to cu
TiliK225 [7]

Answer:

False

Step-by-step explanation:

Lets call the three prime divisors of n p, q, and r, being r the largest, we know:

n=q * p * r

Now, if

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then

n < r * r = r^2

So:

\sqrt{n} < \sqrt{r^2} = r

Also, for every natural greater than one, we know:

\sqrt[3]{n}

so

\sqrt[3]{n}

from which:

\sqrt[3]{n} < r

So, we see, this means the preposition is false, we can find a particular counterexample:

q=2

p=3

p*q = 6

We need to choose a prime greater than 6

r=7

n= 2 * 3 *7 = 42

\sqrt[3]{42} = 3.4760 < 7

4 0
3 years ago
Look at the figure shown below:
miv72 [106K]

The answer is C. Using ASA postulate, prove that triangles PQS and PRS are similar triangles

7 0
3 years ago
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Need help............
svp [43]

Answer:

i would say C

Step-by-step explanation:

6 0
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iVinArrow [24]

Answer:

d

Step-by-step explanation:

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