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Gwar [14]
3 years ago
7

Ron walks 0.5 mile on a track in 10 minutes. Stevie walks on the track in 6 minutes. Find the unit rate for each walker in miles

per hour. Who is the fastest walker?
Mathematics
1 answer:
sveticcg [70]3 years ago
7 0
Stevie is the fastest runner hope that answers your question!
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Which expression is equivalent to (64 y Superscript 100 Baseline) Superscript one-half?
Alex_Xolod [135]

Answer:

8y^{50}

Step-by-step explanation:

This expression is equal :

{(64y^{100})}^{\frac{1}{2}}

Here we can use this rule :

(a^mb^n)^y=a^{my}b^{ny}

Now, 64 we can write like : 8^2

(8^2y^{100})^{\frac{1}{2}}

Now we can use our rule :

8^{2*\frac{1}{2}}y^{100*\frac{1}{2}

When we simplify, we have :

8y^{50}

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4 years ago
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Alexeev081 [22]

Answer:

50√3/3

Step-by-step explanation:

30-60-90 triangle

50:x = 2sqrt3 : 2

50*2 =100

100/2sqrt3 = ​3

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4 years ago
Helppp i need help yall
Schach [20]

Answer: The answe is D

Step-by-step explanation: A and B is wrong and C was the same as D but it is wrong becuase the slope has to be neagtive

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3 years ago
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Find the volume of the following solid. Using cylindrical coordinates
Reika [66]

In cylindrical coordinates, the equations of the surfaces become

z = 4 - 4r^2 \\\\ z = (r^2)^2 - 1 = r^4 - 1

These surfaces intersect on the cylinder of radius 1 with cross sections parallel to the x,y-plane:

4 - 4r^2 = r^4 - 1 \\\\ \implies r^4 + 4r^2 - 5 = (r-1)(r+1)(r^2+5) = 0 \\\\ \implies r=1

Then in cylindrical coordinates, the volume of the space bounded by these surfaces is

\displaystyle \int_0^{2\pi}\int_0^1\int_{r^4-1}^{4-4r^2}r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta = 2\pi \int_0^1 \int_{r^4 - 1}^{4-4r^2}r\,\mathrm dz\,\mathrm dr \\\\ = \pi \int_0^1 (4-4r^2)^2 - (r^4-1)^2 \,\mathrm dr \\\\ = \pi \int_0^1 (15-32r^2+18r^4-r^8)\,\mathrm dr = \boxed{\frac{352\pi}{45}}

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3 years ago
A group of random people were polled about whether they prefer to communicate using text messages or by phone calls. The results
Dmitrij [34]

Answer:

C. 54%

Step-by-step explanation:

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