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Lina20 [59]
3 years ago
6

Kristin jogs around a park that has a perimeter of 1/2 mile. Kristin jogged around the park 4 times in 50 minutes. What is the u

nit rate of Kristin's speed?
Mathematics
2 answers:
Leona [35]3 years ago
3 0

Kristin jogged at a unit rate of 4.2 miles an hour


Nitella [24]3 years ago
3 0
Kristin can jog around the park at a speed of: 0.04 miles a minute or: 1/25 of a mile a minute. 
1/2 times 4= 2 miles/50= 1/25 miles per minute

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What term is the perfect square of 3x^4.
nlexa [21]
<span>The correct answer to your question is 9x8</span>
6 0
3 years ago
Read 2 more answers
You plan to acquire a sinusoidal signal that repeats 250 microseconds. What should be the minimum sampling rate of the digital s
Phoenix [80]

Answer: F = 25.1 kHz

Step-by-step explanation:

Time (period) = 250 × 10^-6 s

Let's first calculate the folding frequency. Given by 

NF (rad s-1) = π/Δt

where NF = Nyquist frequency

 t  = time increment between observations.

The original signal must be filtered by analog or physical methods to remove all frequencies higher than the Nyquist frequency before the signal is sampled or digitized.

F = 3.143/0.00025

F = 12566.37Hz

minimum sampling rate = 2F

2 × 12566.37 = 25132.74Hz

minimum sampling rate  = 25.1 KHz

5 0
3 years ago
Hello, this is math and I need help ❤️ pls and ty ONLY SERIOUS ANSWERS
Greeley [361]

The bicycle with a 30-inches diameter rolls approximately 28.8 more than a tire with the diameter with 21-inches.

<u><em>How to solve:</em></u>

  • First use the formula: C = 3.14d
  • Replace the d value with 30 and solve the equation:

C = 3.14 x 30    ⇒   94.2477796077

  • Then solve the equation again but 21 as the d value:

C = 3.14 x 21     ⇒   65.9734457254

  • Then subtract 65.9734457254 from 94.2477796077 to get the approx. answer of 28.8

3 0
3 years ago
Terry's essay has 9 more pages than stacey's essay. If s represents the number of pages in stacey's essay, write an expression f
german

t = 9 + s is the expression for number of pages in terry's essay

<em><u>Solution:</u></em>

Given that, Terry's essay has 9 more pages than stacey's essay

Let "s" be the number of pages in Stacey essay

Let "t" be the number of pages in terry essay

To find: Expression for the number of pages in terry's essay

From given statement,

Terry's essay has 9 more pages than stacey's essay

Which means, number of pages in terry essay is 9 more than number of pages in Stacey essay

Therefore,

Number of pages in terry essay = 9 + number of pages in Stacey essay

t = 9 + s

Thus the expression for number of pages in terry's essay is found

5 0
3 years ago
Can some one please help me!!!!!!!!!!!!PLEASE
alexandr402 [8]

Answer:

1) the answer is d

2) the answer is a

3) the answer is c

4) the answer is a

hope this helps!

Step-by-step explanation:

4 0
3 years ago
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