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Anna35 [415]
2 years ago
11

Nina can swim 4 laps in 2 1/3 minutes. At this rate, how many laps can she swim in one minute?

Mathematics
1 answer:
dusya [7]2 years ago
6 0

Answer:

1.75

Step-by-step explanation:

idk tbh

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A producer of electronic book readers is performing a quality check to ensure the reader's backlight is working correctly. The p
Lana71 [14]

Answer: 25

Step-by-step explanation:

From the question, we are told that a producer of electronic book readers is performing a quality check to make sure that the reader's backlight is working correctly. Then, the plant manager tests 2,000 readers on Monday and finds that 8 have defective backlights. The fraction 1/x is the experimental probability of a book reader having a defective backlight. What is the value of x?

Number of tested readers= 2000

Defective backlight = 8

Probability of having a defective backlight will be the number of defective backlight divided by the number of readers tested. This will be:

= 8/200

We reduce the nice fraction to its lowest term.

8/200 = 1/25

Therefore x will be 25

8 0
2 years ago
1.62 divided by 0.27
Snezhnost [94]

Answer:

The answer is 6

8 0
2 years ago
Read 2 more answers
Given a positive integer n, assign true to is_prime if n has no factors other than 1 and itself. (remember, m is a factor of n i
yawa3891 [41]
This is the following condition in order to get the specific output for this specific problem: if is_a_prime(n):<span>    is_prime = True</span> <span><span>Now all you have to do is write is_a_prime().

For the hard code for this problem:

</span>if n == 2:<span>
is_prime = True
elif n % 2 == 0:
is_prime = False
else:
is_prime = True 
for m in range (3, int (n * 0.5) + 1, 2): 
if n % m == 0: 
is_prime = False 
<span>break.</span></span></span> 
<span>
To add, a high-level programming language that is widely used for general-purpose programming<span>, created by Guido van Rossum and first released in 1991 is called Python.</span></span>
6 0
2 years ago
Read 2 more answers
Law of sines: StartFraction sine (uppercase A) Over a EndFraction = StartFraction sine (uppercase B) Over b EndFraction = StartF
vladimir2022 [97]

Answer:

30°

Step-by-step explanation:

Law of Sines = \frac{a}{Sin A} = \frac{b}{Sin B} = \frac{c}{Sin C}

\frac{2}{Sin 30} = \frac{2}{Sin B}

\frac{2}{Sin 30} = \frac{2}{Sin 30}

Therefore, m∠B = 30°

Hope that's right and helps

6 0
2 years ago
Addie walked 2 1 2 miles in 45 minutes. Suzie covered 2 2 5 miles in 2 3 of an hour. Which girl walked faster? By how much?
kobusy [5.1K]

Answer:

Suzie walks faster by 0.27 miles per hour.

Step-by-step explanation:

Addie walked 2\frac{1}{2} miles in 45 minutes and Suzie covered 2\frac{2}{5} miles in \frac{2}{3} of an hour.

So, Addie walked 2.5 miles in 45 minutes i.e. \frac{45}{60} = 0.75 hours.

Therefore, the walking speed of Addie is \frac{2.5}{0.75} = 3.33 miles per hour.

Again, Suzie covered 2\frac{2}{5} i.e. 2.4 miles in \frac{2}{3} i.e. 0.67 hours.

So, the walking speed of Suzie is \frac{2.4}{0.67} = 3.6 miles per hour.

Hence, Suzie walks faster by (3.6 - 3.33) = 0.27 miles per hour. (Answer)

7 0
2 years ago
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