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katrin2010 [14]
3 years ago
7

Gwen has a £5 note and a £2 coin

Mathematics
1 answer:
Snezhnost [94]3 years ago
4 0
She’ll have £0.75 left over.
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mestny [16]
2!!! I better get 5 points
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Renee was able to plant 15 plant in 5min at this rate how many flowers could she paint plant in 45 min
Sedbober [7]

Answer:

Answer is 135 plant

Step-by-step explanation:

We have given that,

In 5 min Renee can plant 15 plant.

That means in one minute Renee can plant \frac{15}{5} plant.

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3 years ago
When Brooklyn runs the 400 meter dash, her finishing times are normally distributed with a mean of 76 seconds and a standard dev
KonstantinChe [14]

Using the Empirical Rule, it is found that her finishing time will be between 70 and 82 seconds in 95% of her races.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, the mean is of 76 seconds and the standard deviation is of 3 seconds, then:

76 - 2 x 3 = 70.

76 + 2 x 3 = 82.

Which means that values between 70 and 82 seconds are within 2 standard deviations of the mean, hence the percentage is of 95%.

More can be learned about the Empirical Rule at brainly.com/question/24537145

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2 years ago
I NEED THIS BY TODAY!!
Agata [3.3K]

Step-by-step explanation:

(1. \: x =  -  \frac{y}{3}

(2. \: x =  \frac{22 + 3y}{2}

I think this is correct and what you wanted

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Answer:

45

Step-by-step explanation:

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3 years ago
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