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avanturin [10]
3 years ago
10

Triangle A is a scaled version of triangle B. The dimensions of triangle B are twice the dimensions of triangle A. The area of t

riangle A is 6 sq cm.
What is the area of triangle B
Mathematics
1 answer:
zimovet [89]3 years ago
6 0
24. 

This is because if we double the base and the height in the area equation it will raise any number by a factor of 4. 
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100
satela [25.4K]
The correct answer is B
4 0
3 years ago
Suppose you work in the quality assurance department of a chemical processing plant and it is your responsibility to ascertain w
aleksandrvk [35]

Answer:

48.668 ≤ μ ≤ 63.332

Step-by-step explanation:

Given the data:

Sample (X) : 71, 45, 54, 75, 50, 49, 63, 55, 48, 50

Number of samples (n) = 10

α = 95% = 0.05

Determine the range within which the true mean of the fluid samples from the day shift will be with a 95% confidence

True mean = μ

Confidence interval :

m ± t(α/2 ; df) * s/√n

m - t(α/2 ; df) * s/√n ≤ μ ≤ m + t(α/2 ; df) * s/√n

m = sample mean ; s = sample standard deviation ; df = degree of freedom =(n - 1) = (10 - 1) = 9

Calculating the sample mean and standard deviation using calculator to save computation time :

71, 45, 54, 75, 50, 49, 63, 55, 48, 50

m = 56 ; s = 10.25

m - t(0.05/2 ; 9) * s/√n ≤ μ ≤ m + t(0.05/2 ; df) * s/√n

From t table : t(0.05/2 ; 9) = t(0.025, 9) = 2.262

56-2.262 * (10.25/√10) ≤ μ ≤ 56+2.262 * (10.25/√10)

48.668 ≤ μ ≤ 63.332

6 0
3 years ago
Help ;-; Im almost overdue and I'n only on Q.13/24
jolli1 [7]

Answer: C (-7/18)

Step-by-step explanation: you flip the denominator and numerator and keep the negative

7 0
2 years ago
Read 2 more answers
I am needing help with this question!!
Leni [432]
The answer is C. y = - 2x - 1

hope that helps!! :)
6 0
2 years ago
Read the sentence below and answer the following question: Roy was very careful to cleave the apple into even portions. What doe
irga5000 [103]
To separate into parts
5 0
2 years ago
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