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Deffense [45]
3 years ago
6

What is the answer now in two minutes

Mathematics
1 answer:
Wittaler [7]3 years ago
4 0

Answer:

60 degrees

Step-by-step explanation:

Cos of 60 is 1/2, unit circles helps with this.

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If two or more polygons are congruent, which statement must be true about the polygons? Read all of the choices before deciding.
Lisa [10]
Pairs of corresponding angles have the same measure.
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4 years ago
The graph of f(x)=2x^3+x^2-4x-2 is shown. How many of the roots of f(x) are rational
Alexeev081 [22]

We can one theorem to help us find rational roots of this polynomial.

2x^3 + x^2 - 4x - 2

We'll use Descartes' rule of signs.

Because there is 1 sign change, 1 of the 3 roots will be positive.

Now we can make the value of x -1 to see how many negative roots there will be.

-2  + 1 + 4 - 2

There are 2 sign changes, so we know there will be 2 negative roots.

Because of this, we should have 3 real, rational roots.

7 0
3 years ago
Read 2 more answers
Construct a circle with a radius of 8cm, and draw an equilateral triangle inside it. Make sure the length of each side measures
Ipatiy [6.2K]

Answer:

<u>Diagram 1</u>

Draw a circle with a radius of 8 cm, ensuring you have clearly marked the center point (black circle with center C1)

Add a point on the circumference of the circle (point C2)

Draw a second circle of radius 8cm with point C2 as its center (red circle with center C2).

<u>Diagram 2</u>

The red circle intersects the black circle at two points (D and E).

Connect these 2 points of intersection with a line segment.

<u>Diagram 3</u>

Draw a third circle with center D and radius DE (shown in blue)

This circle intersects the black circle at point F.

<u>Diagram 4</u>

Draw 2 line segments to connect points D and E with point F - this is your equilateral triangle inside the circle!

8 0
3 years ago
The best decimal equivalent to 5/8
Nookie1986 [14]

Answer:

.625

Step-by-step explanation:

6 0
3 years ago
Mrs. Johnson's first test's data: 59, 22, 87, 44, 96, 38, 70, 85, 79. What is the value of Q1?
matrenka [14]

Answer:

7-

Step-by-step explanation:

Arrange the data in an ascending order and the median is the middle value. If the number of values is an even number, the median will be the average of the two middle numbers.

3 0
3 years ago
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