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Nady [450]
2 years ago
7

Help please!! It’s kinda easy so help!!

Mathematics
2 answers:
iren [92.7K]2 years ago
8 0

Answer:

See below

Step-by-step explanation:

You could leave 47:3 as the improper fraction \frac{47}{3} or the mixed number 15 \frac{2}{3}.

cluponka [151]2 years ago
6 0

Answer:

Fraction: \frac{47}{3} .  Mixed fraction: 15\frac{2}{3}.

Step-by-step explanation:

Ratio = Numerator : Denominator

Using the above information, the ratio 47:3 will be \frac{47}{3} when written as a fraction.

The mixed fraction will be 15\frac{2}{3}.

Hope this helps!

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In △QRS, QR = 7, RS = 11, and m∠R = 42. In △UVT, VT = 28, TU = 44 and m∠T = 42. Are the polygons similar? If they are, write a s
deff fn [24]
Since we are going to check the similarity of the triangles and we have given two sides and angle we have to check the Side-Angle-Side option of the similarity. We have equal angles. Then, we have to check the proportionality of the sides. If these triangles are equal, then VT/QR=UT/RS. If we calculate it, 28/7=44/11=4. This last number is the similarity ratio and since we have proportionality, ΔQRS <span>~ </span>ΔVTU. The correct answer is D)
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3 years ago
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What is the greatest common factor of 24s3,12s4, and 18s
ioda
The only number all of these numbers can be divided by is 2. Therefore, the GCF is 2
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3 years ago
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Nick and Sally run on the 100m straight track,Nicks's speed is 3m/s,Sally's soeed is 2m/s.If they both start from two sides of t
Pepsi [2]

They would meet 30 times after 10 minutes.

Since Nick and Sally run on the 100m straight track, and Nicks's speed is 3m / s, while Sally's speed is 2m / s, if they both start from two sides of the track, running towards each other continuously, to determine how many times they would meet each other after 10 minutes the following calculation should be performed:  

  • 30 x 20 + 2 x 20 = 60 + 40 = 100
  • 10 minutes = 600 seconds
  • 600/20 = X
  • 30 = X

Therefore, they would meet 30 times after 10 minutes.

Learn more about maths in brainly.com/question/25849676

4 0
2 years ago
The weights of the fish in a certain lake are normally distributed with a mean of 12 lb and a standard deviation of 6. If 4 fish
DochEvi [55]

Answer:

P(9.6 < \bar X

And using the normal standard distribution or excel we got:

P(9.6 < \bar X

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

X \sim N(12,6)  

Where \mu=12 and \sigma=6

Since the dsitribution for x is normal then we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

We want to find this probability:

P(9.6 < \bar X

And we can use the z score formula given by;

z = \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}

And if we find the z score for the limits given we got:

z = \frac{9.6-12}{\frac{6}{\sqrt{4}}}= -0.8

z = \frac{15.6-12}{\frac{6}{\sqrt{4}}}= 1.2

So we can calculate this probability like this:

P(9.6 < \bar X

And using the normal standard distribution or excel we got:

P(9.6 < \bar X

5 0
3 years ago
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Jenna is selling glasses of lemonade for $1.50 per cup. She begins the day with $4.50 in change. The
Damm [24]

Answer:

1.5m +4.5

Step-by-step explanation:

This is the function 1.5m +4.5

8 0
2 years ago
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