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max2010maxim [7]
3 years ago
6

The lengths of the sides of a triangle are in the extended ratio 5 ?: 8 ?: 10. The perimeter of the triangle is 46 cm. What are

the lengths of the? sides?
Mathematics
1 answer:
yarga [219]3 years ago
5 0
The lengths are 10cm,16cm and 20cm.
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How do you figure out 9a divide by a
Nikitich [7]

9/1 and then your answer would be 9 and then add the a so your full answer would be 9a

8 0
3 years ago
Solve this equation <br><br> 18 = n -18<br><br> n=
Mandarinka [93]

Answer:

n= 36

Step-by-step explanation:

18=n-18 (add 18 to both sides of the equation, 18 and -18 cancel out)

36=n

8 0
2 years ago
Read 2 more answers
The head of the Westlane Cultural Center wants to get a sense of how quickly pledges from donors arrive at the center. It takes
Rzqust [24]

Answer:

95.64% probability that pledges are received within 40 days

Step-by-step explanation:

Problems of normally distributed samples are 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.

In this problem, we have that:

\mu = 28, \sigma = 7

What is the probability that pledges are received within 40 days

This is the pvalue of Z when X = 40. So

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

Z = \frac{40 - 28}{7}

Z = 1.71

Z = 1.71 has a pvalue of 0.9564

95.64% probability that pledges are received within 40 days

7 0
3 years ago
The recipe for potato salad calls for one teaspoon of vinegar for every 2 teaspoons of mayo how many teaspoons of vinegar are ne
lozanna [386]
To solve this, you see that the amount of mayo is double that of vinegar, so you can simply divide 16/2 to get 8 teaspoons of vinegar
8 0
3 years ago
Need help please
zlopas [31]

Answer:

B

Step-by-step explanation:

6x5=30

30x2/3=20

8 0
1 year ago
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