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Mrac [35]
3 years ago
12

Miranda is braiding her hair then she will attach beads to the braids she wants 1/3 of the beads to be red if the greatest numbe

r of beads that will fit on the braid is 12 what other fraction could represent the part of the beads that are red?
Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
8 0
2/6 because if I multiply the denominator and numerator by 2 it would equal 2/6.
Marianna [84]3 years ago
8 0

Answer: \frac{4}{12}\ and\ \frac{2}{6}


Step-by-step explanation:

Given: Miranda wants \frac{1}{3} of the beads to be red .

If the greatest number of beads that will fit on the braid is 12 , then the greatest number of red beads that will fit on the braid = \frac{1}{3}\times12=4

The fraction of red beads =\frac{\text{number of red beads}}{\text{maximum number of beads}}

⇒ The fraction of red beads =\frac{4}{12}

If we divide 2 from numerator and denominator it will look like

\frac{2}{6}

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stepladder [879]

Answer:

the value of y = 160

Step-by-step explanation:

exterior angle=sum of two opposite interior angle

y=(180-50)+30

y=160

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3 years ago
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For a test, please and thank you!
Daniel [21]
Ans: A, you’re correct

(f-g)(x) = f(x)-g(x)
6x3-4-(2x+2)
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3 years ago
X+2<br> X-2<br> 2x+y<br> x + 1<br> what’s the answer
icang [17]

Answer:

( 3x - 2, 2x ± yx ) ± 1

Step-by-step explanation:

5 0
3 years ago
the perimeter of a rectangle is 60 meters. if the length of the rectangle is 14 meters. what is the width of the rectangle.,
Ray Of Light [21]
Perimeter is 2width+2length
Therefore since you already know that the perimeter is 60 and the length is 14 you can set up the equation; 
60= 2w+14
with this you then need to find w so;
60=2w+14
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46=2w
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8 0
3 years ago
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The operation manager at a tire manufacturing company believes that the mean mileage of a tire is 48,564 miles, with a standard
DerKrebs [107]

Answer:

0.0091 = 0.91% probability that the sample mean would be less than 48,101 miles in a sample of 281 tires if the manager is correct

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal probability distribution:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central limit theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

\mu = 48564, \sigma = 3293, n = 281, s = \frac{3293}{\sqrt{281}} = 196.44

What is the probability that the sample mean would be less than 48,101 miles in a sample of 281 tires if the manager is correct?

This is the pvalue of Z when X = 48101. So

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{48101 - 48564}{196.44}

Z = -2.36

Z = -2.36 has a pvalue of 0.0091

0.0091 = 0.91% probability that the sample mean would be less than 48,101 miles in a sample of 281 tires if the manager is correct

6 0
3 years ago
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