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kkurt [141]
3 years ago
7

NEED HELP ASAP Which point represents the center of the circle shown below?

Mathematics
2 answers:
aksik [14]3 years ago
7 0

Answer:

Point O represents the center of the circle

Step-by-step explanation:

HOPE IT HELPS. PLEASE MARK IT AS BRAINLIEST

ivolga24 [154]3 years ago
4 0
Answer: Point O

Explanation:

Point O is in the middle of the circle

And other point are not in the middle
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for what value of k, the line joining 3x-ky+7=0 is perpendicular to the line joining (4 ,3) and ( 5, -3).
Schach [20]

Answer:

  • k = 18

=========

<h2>Given</h2>

<h3>Line 1</h3>
  • 3x - ky + 7 = 0

<h3>Line 2</h3>
  • Passing through the points (4, 3) and (5, - 3)

<h2>To find</h2>

  • The value of k, if the lines are perpendicular

<h2>Solution</h2>

We know the perpendicular lines have opposite reciprocal slopes, that is the product of their slopes is - 1.

Find the slope of line 1 by converting the equation into slope-intercept from standard form:

<u><em>Info:</em></u>

  • <em>standard form is ⇒ ax + by + c = 0, </em>
  • <em>slope - intercept form is ⇒ y = mx + b, where m is the slope</em>

  • 3x - ky + 7 = 0
  • ky = 3x + 7
  • y = (3/k)x + 7/k

Its slope is 3/k.

Find the slope of line 2, using the slope formula:

  • m = (y₂ - y₁)/(x₂ - x₁) = (-3 - 3)/(5 - 4) = - 6/1 = - 6

We have both the slopes now. Find their product:

  • (3/k)*(- 6) = - 1
  • - 18/k = - 1
  • k = 18

So when k is 18, the lines are perpendicular.

4 0
2 years ago
Write a number to describe losing 6 points
adell [148]

Answe 6-6

Step-by-step explanation: i hade 6 point and i lost 6 points hint 6-6

3 0
3 years ago
on the perpendicular equation 3y=5x-1 the answer is y=-3/5x+9 .. I understand how to get the slope, I'm trying to figure out how
Charra [1.4K]
Let's look at the first equation.

3y = 5x - 1

y = 5/3 y - 1/3

This line has slope 5/3. A line perpendicular to it has slope -3/5.

The second line is y = -3/5 x + 9.
Its slope is indeed -3/5, so the second line is perpendicular to the first one.

There is an infinite number of lines perpendicular to any given line. You concluded correctly that the two lines in this problem are perpendicular based on the fact that their slopes are negative reciprocals. The second line, y = -3/5 x + 9, is only one line that is perpendicular to the first line. There is an infinite number of lines perpendicular to the first line. All the perpendicular lines have the slope -3/5 and different y-intercepts. The +9 here is just the y-intercept of this specific perpendicular line. Since there is an infinite number of y-intercepts, there is an infinite number of perpendiculars.
7 0
4 years ago
What property of a rhombus is used in this proof of showing that a triangle is an equilateral triangle?
iragen [17]

Answer:

Step-by-step explanation:

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3 years ago
2×3×10 to the 9th power = (1×10 to the 3rd power) (2×3 × 10n)​
stiks02 [169]

Answer:

this is what my calculator said sorry: 1.0077696E16

Step-by-step explanation:

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3 years ago
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