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morpeh [17]
2 years ago
7

Determine the x coordinate of the center of a circle if its diameter's endpoints are located at (7,-2) and (9,5).

Mathematics
1 answer:
telo118 [61]2 years ago
6 0

Answer:

(2,8)

Step-by-step explanation:

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How to change 50/12 to a mixed number?
11111nata11111 [884]
A mixed number is one that has an integer along with a proper fraction, so that would be (for this improper fraction):

50/12 = 4 1/6

12 goes into 50, 4 times with a remainder of 2

you get: 4 and 2/12, but 2/12 can be reduced further to 1/6

so that's how i got the answer of 4 1/6
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Assume the sales representative calls 6 customers, and each call has 4 possible results: reaches the customer in person, gets an
KonstantinChe [14]

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81

Step-by-step explanation:

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3 years ago
What is 16.93 x 107 x 102 - 103 x 104 = 105 equal to?<br> 0.01693<br> 1,693<br> 1.693<br> 1,693,000
77julia77 [94]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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A parabolic arch has a height of 25 feet and a span of 40 feet. How high is the arch 8 feet from each side of the center?
Llana [10]

Answer:

The correct option is;

21 ft

Step-by-step explanation:

The equation of the parabolic arc is as follows;

y = a(x - h)² + k

Where the height is 25 ft and the span is 40 ft, the coordinates of the vertex (h, k) is then (20, 25)

We therefore have;

y = a(x - 20)² + 25

Whereby the parabola starts from the origin (0, 0), we have;

0 = a(0 - 20)² + 25

0 = 20²a + 25 → 0 = 400·a + 25

∴a = -25/400 = -1/16

The equation of the parabola is therefore;

y = (-\frac{1}{16})(x-20)^2 + 25

To find the height 8 ft from the center, where the center is at x = 20 we have 8 ft from center = x = 20 - 8 = 12 or x = 20 + 8 = 28

Therefore, plugging the value of x = 12 or 28 in the equation for the parabola gives;

y = (-\frac{1}{16})(12-20)^2 + 25 = (-\frac{1}{16})(-8)^2 + 25 = 21 \ ft.

4 0
3 years ago
PLEASE HELP! ILL MARK BRAINLIEST
Lunna [17]

Subtracting a number from x shifts the graph that may places tot he right

Subtracting a number at the end of the equation, shifts the graph that many units down.

The answer would be: Shift the graph of y = x^2 right 2 units and then down 10 units.

4 0
3 years ago
Read 2 more answers
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