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victus00 [196]
3 years ago
10

A certain television is advertised as a 80-inch TV (the diagonal length). If the

Mathematics
1 answer:
Aleksandr [31]3 years ago
3 0

Answer: 48 inches tall

Step-by-step explanation: (I just learned this) First, you square 80 and 64. 80 will be 6400 and 64 will be 4096. Then you use the Pythagorean Theorem, which is a² + b² = c². A. and B. are the legs in a triangle and C. is the hypotenuse. If you have A. and C. but not B, you square A. and C. and subtract C. from A. Then, after you get the number, you square that number, which will be√(2304), which makes 48.

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The level of the tide in a harbor changed from 9 1/4 ft to 4 1/2 ft above sea level over a period of 3 1/4 hr
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Answer:

The answer is "\bold{- \frac{19}{13} \ / hour}"

Step-by-step explanation:

Please find the complete question in the attached file.

Calculating the difference of 9 \frac{1}{4}\ and \ 4 \frac{1}{2}  dividing the value by 3 \frac{1}{4}

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a university is comparing the grade point averages of biology majors with grade point averages of engineering majors. the univer
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Answer:

H0 : μEng = μBio

H1: μEng ≠ μBio

Step-by-step explanation:

μEng = Engineering average gpa

μBio = Biology average gpa

To test for difference between two sample means , in this case grade point average of biology majors and Engineering major.

Null hypothesis is the initial truth, which is that ; there is no difference in the mean grade point average of both biology and engineering majors

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The Alternative hypothesis is the opposite of the null, which is stated has ; there is difference between the average GPA of both Engineering and Biology majors

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Step-by-step explanation:

To solve this operation we need to find the common multiple of both denominators and solve for a.

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