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andreyandreev [35.5K]
3 years ago
9

Find the value of x. If necessary, round your answer to the nearest tenth. O is the center of the circle. The figure is not draw

n to scale.

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
8 0

Answer:

x=25

Step-by-step explanation:

we know that

In this problem

The value of x represent the radius of the circle

so

Applying the Pythagoras theorem in the right triangle of the figure, you can find the radius of the circle O

see the attached figure to better understand the problem

x^{2} =20^{2}+15^{2}

x^{2} =400+225

x^{2} =625

square root both sides

x=25

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7 0
3 years ago
Solve the equation 0.5p -3.45= -1.2.​
ddd [48]

Answer:

4.5

Step-by-step explanation:

0.5p-3.45=-1.2

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6 0
3 years ago
Classify the number 1/2 into as many categories as it belongs: Natural number, whole number, integer, or rational number.
Pachacha [2.7K]

Answer:

1/2 is a rational number.

Step-by-step explanation:

A rational number can be expressed as a ratio of two numbers. 1/2 is a ratio.

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6 0
3 years ago
6. Find the function with x-intercepts (-3,0) and (5,0), which also goes through the point (1,8)
Yakvenalex [24]

Answer:

f(x) = (-1/2)(x^2 + 8x - 15)

Step-by-step explanation:

This function has two roots:  -3 and 5.  Most likely it is a quadratic (all of which have two roots).

Then f(x) = a(x + 3)(x - 5)

The graph goes through (1. 8):  Therefore, y = 8 when x = 1:

f(1) = a(1 + 3)(1 - 5) = 8, or

        a(4)(-4) = 8, or

            -16a = 8, which leads to a = -1/2.

Thus the quadratic in question is f(x) = (-1/2)(x + 3)(x - 5), or

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4 0
3 years ago
Are the lines x -2y = -6 And 4y + 4 = 2x perpendicular?
olasank [31]
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7 0
3 years ago
Read 2 more answers
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