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Greeley [361]
4 years ago
10

Find all possible values for θ if 0° < θ < 360° and tanθ = -1.

Mathematics
1 answer:
MAVERICK [17]4 years ago
7 0
When tan theta = 1  theta = 45 degrees in the first quadrant.

When  its = -1  one value of theta is -45 degrees.

Also as the tangent is negative in the second quadrant theta can also be 135 degrees or - 225 degrees. 
in fourth quadrant  we have 315 degrees.
Its not  225 degrees because the tangent is positive in 3rd quadrant.

Correct answer is  a, b, c and e.
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1200 people visited a museum. 240 of the visitors were children. what percent of the visitors were children?​
sergeinik [125]

Answer:

20 percent

Step-by-step explanation:

To find the percentage that were children, we take the number of children over the total and multiply by 100%

There are 240 children and 1200 total people

240/1200 * 100%

.2*100%

20%

5 0
3 years ago
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ValentinkaMS [17]

Answer:

V = 205 in^3 to the nearest whole number

Step-by-step explanation:

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Plugging in the given information:

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3 years ago
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gtnhenbr [62]

Answer:

28 minutes spent in washing the dishes.

Step-by-step explanation:

Given the table

Chore             time in minutes

Sweeping           42

Dishes                  ?

Amanda spent a total of 70 minutes competing her chores this week

Total of 70 minutes spent

42 minutes spent in sweeping . to find the number of minutes Amanda spent in washing the dishes , subtract 42 minutes from the total time spent

let x be the number of minutes spent washing the dishes

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42+x=70\\x= 70-42\\x=28

28 minutes spent in washing the dishes.

4 0
3 years ago
The figure below shows a parallelogram PQRS:
lawyer [7]

The figure below shows a parallelogram PQRS:


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The flowchart shown below shows the sequence of steps to prove the theorem: Opposite angles of a parallelogram are equal:


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3 years ago
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Fudgin [204]

Answer:

111°

Step-by-step explanation:

the angle is question is an alternate-interior angle with the one labeled as 111° and alt-int angles are congruent

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3 years ago
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