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Aleonysh [2.5K]
3 years ago
8

How would you do this?

Mathematics
1 answer:
Mashcka [7]3 years ago
4 0
In order to touch the x axis at one point the radius is 5 because you are going 5 up from the x axis. and anything more will cause you to intersect at two points and anything less at none
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How many roots does the polynomial equation have?
erik [133]

answers

the answers is 6

3 0
2 years ago
In which form is the following function written?<br><br> y+20=8(x+7)^2
Wewaii [24]

Answer:

  (a variation of) vertex form

Step-by-step explanation:

For vertical scale factor "a" and vertex (h, k), the vertex form of the equation for a parabola can be written as ...

  y = a(x -h)^2 +k

If k is subtracted from this equation, an alternate form is ...

  y -k = a(x -h)^2

This latter version of vertex form is the form your equation has, where ...

  • a = 8
  • (h, k) = (-7, -20)

7 0
3 years ago
During an Apollo moon landing, reflecting panels were placed on the moon. This allowed Earth-based astronomers to shoot laser be
rusak2 [61]

Answer:

The distance between the astronomers and the moon was 7.56*10^{8] meters.

Step-by-step explanation:

We have that the speed is the distance divided by the time, so:

v = \frac{d}{t}

In this problem, we have that:

The reflected laser beam was observed by the astronomers 2.52 s after the laser pulse was sent. This means that t = 2.52.

If the speed of light is 3.00 times 10^8 m/s, what was the distance between the astronomers and the moon?

We have that v = 3*10^{8}m/s.

We have to find d. So:

v = \frac{d}{t}

d = vt

d = 3*10^{8}*2.52

7.56*10^{8]

The distance between the astronomers and the moon was 7.56*10^{8] meters.

7 0
3 years ago
Angle J and angle M are base angles of an isosceles trapezoid JKLM. If angle J=20x+9 and angle M =14x+15, find angle K
anzhelika [568]
K or l will be 151 degrees.

j and m are equal to each other, giving you x=1, substitute this in to get j and m equal 29 degrees.  k or L are opposite angles meaning they add up to 180 when added to j and m so j+l=180 or m+k=180
5 0
3 years ago
Read 2 more answers
To decrease an amount by 73% what multiplier would yo use?
Ulleksa [173]
You would use 1.73 in order to decrease an amount by 73%
5 0
2 years ago
Read 2 more answers
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