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IRISSAK [1]
3 years ago
10

‼️need help please..

Mathematics
1 answer:
IRINA_888 [86]3 years ago
3 0
If B is the center of that circle, then that statement is definitely false.  A central angle's degree measure is equal to the measure of the arc which it intercepts.  Keep in mind that arcs can be measured according to their LENGTH or to their DEGREE, and they are both very different from one another.  If arc AC is 65°, then the measure of angle ABC is also 65°
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Do these three segments make a right triangle? 14cm, 23cm, and 25cm
Basile [38]

Answer:

This is not a right triangle(No)

Step-by-step explanation:

8 0
3 years ago
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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
1 year ago
Bob is thinking about leasing a car with a MSRP of $24,000 for three years. After three years, the leasing company expects the c
KengaRu [80]

Answer:C. 17,280

Step-by-step explanation:It this way because it cant be 3k obv or 6k. And it says 72% down not up so not d either :D

5 0
3 years ago
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The kindergarten class has 10 girls and 10 boys. If two students are chosen at random to be in the school play, what is the prob
Akimi4 [234]
50% because there's equal value of both variables
6 0
3 years ago
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Y&gt;1 and y&gt;x on a graph
zlopas [31]

So,

y>1\wedge y>x

1. Graph each inequality separately.

2. Choose a test point to determine which side of the line needs to be shaded.

3. The solution to the system will be the area where the shadings from each inequality overlap one another (purple area)

As for the system of inequalities we say it's unbounded.

3 0
3 years ago
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