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dexar [7]
3 years ago
13

AB←→ is perpendicular to CD←→. How many 90° angles are formed by the intersection?

Mathematics
2 answers:
daser333 [38]3 years ago
6 0
4. Think of a lower t, there are 4 equal angles
myrzilka [38]3 years ago
6 0

Answer:

4


Step-by-step explanation:

If two lines are perpendicular to each other, they are said to create a 90° angle at the point of intersection.

There are clearly four 90° angles when lines AB and CD meet at 90°. It is shown in the picture attached. [<u>Note: even if you translate the intersection point up or down, still there are four 90° angles.]</u>


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Dmitry [639]

Answer:

x=1

Step-by-step explanation:

1. Complete the square on the right side of the equation.

5 ( x − 1 )2 − 18

2. Use the vertex form,  y = a ( x − h ) 2 + k , to determine the values of  a ,  h , and  k . a= 5 h = 1 k = − 18

3. Since the value of  a  is positive, the parabola opens up.

Opens Up

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5. Find  p , the distance from the vertex to the focus.

1 /20

6. Find the focus.

7. ( 1 , − 359/ 20 )

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3 years ago
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sammy [17]

z=4

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7 0
3 years ago
Question 8<br> Find the value of "X". Round to the nearest tenth.
jekas [21]

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Step-by-step explanation:

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Hence the value of x is 8

5 0
3 years ago
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anygoal [31]

Answer:

(1. 5

(2. 180

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
26,720 inches are equal to _______ miles.
Karo-lina-s [1.5K]

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so got 0.421717

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