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padilas [110]
3 years ago
8

HELP ASAP PLEASE What is the length of ? 10.5 4 10 6

Mathematics
1 answer:
Dimas [21]3 years ago
4 0
OK.  Take it slow and easy, one step at a time.

-- Draw a line from the center of the circle to the left end of the
horizontal chord.
(That point doesn't have an identification letter, but it's the other
end of the '10' from point 'A'.)

-- Since that line is also a radius of the circle, its length is 14.5 .

-- When you drew the line, you made a right triangle inside the circle. 
The line you drew is the hypotenuse of the right triangle.

-- You know the length of the hypotenuse (14.5), and you know
the length of one leg (10).  So you can calculate the length of the
other leg ... from the center to point 'A'.  That leg is √(14.5² - 10²)

-- Now you know the distance from the center of the circle to point 'A'.
The length of AB is (the radius) minus (the leg that you just found).

Seem reasonable ?

I got 4 for AB.  But I was working fast and sloppy.  You need to check it.
You might be interested in
50 points!!
timurjin [86]

Answer:

y < -8

y > 4

Step-by-step explanation:

Absolute Value Inequality entered :

     |y+2|>6

Step by step solution :
Step 1: Rearrange this Absolute Value Inequality

Absolute value inequalitiy entered

     |y+2| > 6

Step 2: Clear the Absolute Value Bars

Clear the absolute-value bars by splitting the equation into its two cases, one for the Positive case and the other for the Negative case.

The Absolute Value term is |y+2|

For the Negative case we'll use -(y+2)

For the Positive case we'll use (y+2)

Step 3: Solve the Negative Case

     -(y+2) > 6

    Multiply

     -y-2 > 6

    Rearrange and Add up

     -y > 8

    Multiply both sides by (-1)

    Remember to flip the inequality sign

     y < -8

    Which is the solution for the Negative Case

Step 4: Solve the Positive Case

     (y+2) > 6

    Rearrange and Add up

     y > 4

    Which is the solution for the Positive Case

Step 5:

Wrap up the solution

 y < -8

 y > 4

Solutions in Interval Notation

   (-∞,-8)

   (4,+∞)

Solutions on the Number Line

 

Two solutions were found :

 y > 4

 y < -8

6 0
2 years ago
Can someone please help me? I don't know how to do this. I will mark brainliest! Thanks!
Bezzdna [24]

Answer:

So it gives you a little picture and tells you what would the question be if you had this graph.

Step-by-step explanation:

The correct answer would be B, find the area because the 4x + 3 is your length and 3x is your length, A = length * width. So the answer is B, find the area.

4 0
3 years ago
Read 2 more answers
Twice the sum of a number x and 18 as an expression
djverab [1.8K]
The answer I got would be 2(x+18)
5 0
3 years ago
Read 2 more answers
What is the equation for a line that has a slope of 3 and passes through (-1, 9)
krok68 [10]

Answer:

the answer is y=3x+9 if you are looking for it to be in slope intercept form

7 0
3 years ago
3 over 12 rational or irrational?
Olegator [25]
Rational ! the number doesn't repeat forever or anything like that. it simplifies nicely.
5 0
3 years ago
Read 2 more answers
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