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Gnom [1K]
2 years ago
6

My teacher can grade 25 homework assignments in 20 minutes. Is she working at a faster rate or slower rate than Ms. Jones, who i

s grading 36 homework assignments in 30 minutes?
Mathematics
1 answer:
Neko [114]2 years ago
7 0

Answer:

Ms.Jones is faster

Step-by-step explanation:

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What is sin -1 (1/2) if the terminal side of 0 is located in quadrant 1
Lady_Fox [76]

Answer:

sin^-1 (1/2) = 30°

Step-by-step explanation:

* Lets explain how to find the trigonometry functions from the unit circle

- The unit circle is the circle whose radius is 1 unit

- It intersects the four axes at:

# Positive part of x-axis at (1 , 0) and negative part at (-1 , 0)

# Positive part of y-axis at (0 , 1) and negative part at (0 , -1)

- The terminal of any angle intersect it at point (x , y) where x² + y² = 1

- If The angle between the terminal side and the x-axis is Ф , then

# The adjacent side of Ф = x

# The opposite side of the angle Ф = y

- In the problem the terminal side lies in the first quadrant

∴ all the trigonometry functions are positive

∵ sin Ф = opposite/hypotenuse

∵ The opposite = 1/2 and the hypotenuse is the terminal side = 1

∴ sin Ф = 1/2 ÷ 1 = 1/2

- To find Ф use the inverse function sin^-1 Ф

∵ sin Ф = 1/2

∴ Ф = sin^-1 (1/2)

∴ Ф = 30°

* sin^-1 (1/2) = 30°

6 0
3 years ago
Is this correct????.????.??.??
yulyashka [42]
Yes the answer is correct
7 0
3 years ago
27 divided by (3+6) time 5 - 12
adelina 88 [10]

Hello,

The answer to you question is 3.

27/(3+6) x 5 - 12 = 3

Hope it helps, Cheers.




7 0
3 years ago
Help with this question(will gove thanks and brainlist)(Your suppose to determine the pattern and then fill in the 3 blanks)
Savatey [412]

Answer:

Step-by-step explanation

1.  8/9, 9/9, 10/9

2.  1/64, 1/128, 1/256

3.  -39, -48, -57

8 0
3 years ago
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There are 3.5 times as many cats as there are dogs. If there are 28 dogs, how many cats are there?
Rus_ich [418]

Answer:98 I believe

Step-by-step explanation:

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3 years ago
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