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Amiraneli [1.4K]
2 years ago
8

A mathematics teacher wanted to see the correlation between test scores and homework. The homework grade (x) and test grade (y)

are given in the accompanying
Mathematics
1 answer:
Alecsey [184]2 years ago
5 0

Answer:

Step-by-step explanation:

The homework  grade, to the nearest integer, for a student with a test grade of 68 is 69.

Step-by-step explanation:

The general form of the linear regression equation is:

Here,

y = dependent variable = test grade

x = independent variable = homework grade

a = intercept

b = slope

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Answer:

B) 42 units squared

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A 12 cm by 20 cm painting hangs in a museum. The museum curator wants to hang other paintings in the gallery that are proportion
nata0808 [166]

Answer:

A. 1.5 cm by 2.5 cm

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C. 9 cm by 15 cm

D. 30 cm by 50 cm

Step-by-step explanation:

The dimensions of the original painting = 12 cm by 20 cm painting

Hence, the proportion is:

12/20 = 0.6

Hence, we compare the options given in the question.

A. 1.5 cm by 2.5 cm

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B. 27 cm by 45 cm

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C. 9 cm by 15 cm

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D. 30 cm by 50 cm

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E. 6 cm by 14 cm

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Option E is not correct

Therefore, Options A to D are the correct options

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dimaraw [331]

Answer:

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