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DIA [1.3K]
3 years ago
14

What is the reference angle for the angle with measure -pi/4

Mathematics
1 answer:
MAXImum [283]3 years ago
5 0

Answer:

The reference angle for the angle with measure -pi/4 is the angle pi/4

Step-by-step explanation:

The angle -pi/4 is in clockwise and the angle pi/4 is in counterclockwise

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Answer this question​
MAVERICK [17]

Answer:

c. 40°

Step-by-step explanation:

The information given has been illustrated in the figure drawn in the attachment below.

m<BAD = 50° (angle bisector theorem)

m<ADB = 90° (perpendicular bisector)

m<ABD = 180 - (m<BAD + m<ADB) (sum of angles in a triangle)

m<ABD = 180° - (90° + 50°)

= 180° - 140°

= 40°

B = 40°

4 0
3 years ago
Pls help its a grade
Allushta [10]

Answer:

9

Step-by-step explanation:

3 divided by 9 is 3

3+2=5

6 0
3 years ago
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Zarrin [17]

9514 1404 393

Answer:

  (c) The solution -6 is an extraneous solution

Step-by-step explanation:

If you solve the equation graphically, you can avoid extraneous solutions. The true solution is x = -1.

You can tell from the equation that the domain will be restricted to values of x that make the radical non-negative:

  x+4 ≥ 0   ⇒   x ≥ -4

Then x=-6 must be an extraneous solution. It arises when the negative square root is used.

__

The conventional solution method has you square both sides and solve the resulting quadratic.

  (x +4)² = x +10

  x² +7x +6 = 0

  (x +6)(x +1) = 0   ⇒   x = -6 or -1

The solution x=-6 is not in the domain, so is extraneous.

__

<em>Additional comment</em>

Graphical solution is often easier if the equation is in the form f(x) = 0. That form can be had by subtracting one side of the equation from both sides. In the attached, we subtracted √(x+10) from both sides. (We added the negative branch of the square root function to show where the extraneous root comes from.)

7 0
3 years ago
A (2,1) B (1,3) C (5,5) Suppose a rectangle ABCD has the coordinates shown. Find the coordinates of point D.
n200080 [17]
I believe your last coordinate would be (6,3)
7 0
3 years ago
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A 32-ounce tub of yogurt contains 5 servings. How many ounces of yogurt are in 1<br> serving?
Roman55 [17]

Answer:

32/5 ounces or approximately 6.4 ounces.

Step-by-step explanation:

We are trying to find the unit rate, so divide 32 by 5 to see how many ounces in just 1 serving.

7 0
3 years ago
Read 2 more answers
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