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Elza [17]
3 years ago
13

What are the coordinates of the image of point K(1,3) after a reflection over the line y = -1

Mathematics
2 answers:
N76 [4]3 years ago
8 0

Answer:

(1. -3. is the answer. the first option

Virty [35]3 years ago
7 0

Answer: (-3,3)

Step-by-step explanation:

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What is the measure of o
Helga [31]

Answer:

D

Step-by-step explanation:

We need the formula for arc length (in radians) to solve this problem. The formula is:

s=r \theta

Where

s is the arc length

r is the radius of the circle

\theta is the intercepted angle

In this diagram, we can see that  \theta  is beign intercepted by the big arc with measure 20 cm. So arc length, s, is 20

Also, if we look, we see that the radius is 5 cm, so r = 5

Now, we substitute into formula and find \theta:

s=r\theta\\20=5\theta\\\theta=\frac{20}{5}\\\theta=4

This is given in radians, so \theta is 4 radians

D is the correct answer choice.

6 0
3 years ago
3 Express the following fractions in a different way:<br>(a) 1/4 = ? (b) 2/4 = ? (C) 1/2 = ?​
lawyer [7]

Answer:

Step-by-step explanation:

A. 1.4. B. 2.4. C. 1.2

8 0
3 years ago
Convert.<br><br>48 ounces=<br> pounds​
Ilia_Sergeevich [38]
48 ounces give you 3 pounds.
5 0
3 years ago
Read 2 more answers
Which of the following points is collinear with (1, 1), and (2, 2)? (4, 1) (3, 2) (5, 6) (3, 3)
aleksandrvk [35]
<span>Points (1, 1), and (2, 2) are on a line which has a slope of 1

ok?

The only point that lies on this line is (3,3).
</span>
5 0
3 years ago
Please i need help with this i dont understand it​
CaHeK987 [17]

Answer:

1. No

2. Right triangle

3. No

4. Right triangle

Step-by-step explanation:

A, B = two smallest sides

C = hypotenuse, largest side

Pythagorean theorem. If A^2 + B^2 = C^2, then you have a right triangle.

6 0
3 years ago
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