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3 years ago

A. [-1, 1] b. [0, pi] c. [-pi/2, pi/2] d. -♾, ♾]

Mathematics

1 answer:

meriva3 years ago

6 0

f(x) = sin(x)

Domain (–∞, ∞)

Range [–1, 1]

y = arcsine(x)

y = f–¹(x)

Domain [–1, 1]

Range [–π/2, π/2]

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It would be 67 because its the same decrease as the other.

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Evelyn is mixing light blue paint. The ratio of blue to white paint is 3:1. If Evelyn uses 6 parts blue paint. How much white pa

MAVERICK [17]

Answer:

2 parts white paint

Step-by-step explanation:

Blue : white

3 : 1

We use 6 parts blue

3 *2 =6

So multiply each part by 2

Blue : white

3*2 : 1*2

6 : 2

She uses 2 parts white paint

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2 years ago

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Answer:

Step-by-step explanation:

The volume (V) of the prism is calculated as

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3 years ago

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Marta_Voda [28]

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Step-by-step explanation:

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2 years ago

A student's course grade is based on one midterm that counts as % of his final grade, one class project that counts as % of

Andrei [34K]

Answer:

The overall score is 75.6

Letter grade is C

Step-by-step explanation:

The question has missing details (See comment section for complete question).

From the complete question, we have:

Proportion:

$Midterm = 15\%$

$Project = 25\%$

$Assignment = 40\%$

$Exam = 20\%$

Scores

$Midterm = 66$

$Project = 90$

$Assignment = 75$

$Exam = 66$

Solving (a): The overall score

To do this, we simply calculate the mean of the given data.

The mean is calculated by multiplying each proportion by the scores..

So, we have:

$Overall = 15\% * 66 + 25\% * 90 + 40\% * 75 + 20\% * 66$

$Overall = 9.9 + 22.5 + 30 + 13.2$

$Overall = 75.6$

Solving (b): The letter grade

From the question, we have:

$A: Mean \ge 90$

$B: 80 \le Mean < 90$

$C: 70 \le Mean < 80$

The overall score falls in the following category:

$C: 70 \le Mean < 80$

Because:

$70 \le 75.6 < 80$

Hence, the letter grade is C

8 0

2 years ago