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topjm [15]
3 years ago
5

Find the midpoint of the segment with the given endpoints.g(–3, –5) and h(1, –1)

Mathematics
1 answer:
Eva8 [605]3 years ago
8 0
We have that
<span>g(–3, –5) and h(1, –1)

the  x-coordinate of midpoint is
Mx=(-3+1)/2----> -1
</span>the  y-coordinate of midpoint is
<span>My=(-5-1)/2----> -3

the answer is (-1,-3)
 </span>
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Lisa recorded a 2-hour television show. When she watched it, she skipped the commercials. It took her
Alexxx [7]

Answer:

36 minutes

Step-by-step explanation:

2 hours in minutes is 120

120-84

36 minutes

8 0
3 years ago
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:

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We have both the slopes now. Find their product:

  • (3/k)*(- 6) = - 1
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  • k = 18

So when k is 18, the lines are perpendicular.

4 0
2 years ago
Tina throws a baseball straight up from a height of 3 feet and at a speed of 50 feet per second. The height of the ball in feet
vodka [1.7K]

Answer:

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h(t) = -16t^2+50t+3

where t is the time in seconds.

After 3 seconds, t = 3:

h(3) = -16(3)^2 + 50(3) + 3 \\\\h = -144 + 150 + 3 = 9 feet

The height of the ball after 3 seconds is 9 feet.

6 0
3 years ago
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3 0
3 years ago
Can abort help me with this math question the right answers
alex41 [277]

Answer:

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