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liq [111]
3 years ago
14

Identify all of the following solutions of (square root of x+8)-6 =X

Mathematics
1 answer:
seropon [69]3 years ago
8 0
Square root (x + 8) -6 = x
square root (x + 8)  = x -6
x^2 + 16x  + 64 = x^2 -12x + 36

28x = 48
x =  <span> <span> <span> 1.7142857143 </span> </span> </span>

None of the above

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16 increased by twice a number is -24
wlad13 [49]
X-the number

16 + 2x = -24    |subtract 16 from both sides

2x = -40      |divide both sides by 2

<u>x = -20</u>

Answer: <em>The number is -24</em>
8 0
3 years ago
(48. PERSEVERE Wha
katrin2010 [14]

Answer: 4

Step-by-step explanation:

We know that a plane is 2 dimensional surface that extends infinitely far.

The number of points required to define a plane = 3

Here , we have 4 points A, B, C, and D.

So, the number of possible combinations of 3 points to make a plane from 4 points = C(4,3)

=4            [ C(n,n-1)=n ]

Hence, the greatest number of planes determined using any three of the points A, B, C, and D if no three points are collinear = 4.

6 0
3 years ago
Find the slope of the line that passes through<br> (-4, 7) and (-6, -4)
Kitty [74]

Answer:

The slope of the line is 11/2

remember, rise over run.

Step-by-step explanation:

May I have brainliest please? :)

4 0
3 years ago
Read 2 more answers
Stu hiked a trail at an average rate of 3 miles per hour. He ran back on the same trail at an average rate of 5 miles per hour.
Andrews [41]
3t = 5(3-t)
3t = 15 - 5t
3t + 5t = 15
8t = 15
t = 15/8
t = 1 7/8 

7/8 * 60 mins = 52.50 minutes

t = 1 hour and 52.5 minutes

It took Stu 1 hour and 52.5 minutes to hike the trail one way.
3 0
4 years ago
Read 2 more answers
Convert 60 miles per hour into meters per second
Svetllana [295]
1,609.35 meters are in a mile.
3,600 seconds are in an hour.

1,609.35meters x 60miles = 96,561 meters per hour
96,561meters per hour / 3,600seconds = 26.82 meters per second
3 0
4 years ago
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