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kumpel [21]
3 years ago
8

The rquation of a citcle is x^2+y^2=16 what is the radius of the circle

Mathematics
1 answer:
nadezda [96]3 years ago
8 0
The radius is 4 because the original equation is x^2+y^2=r^2. So the sqrt of 16 is 4.
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X = ????????? Geometry
bazaltina [42]

Answer:

\boxed{x = 6}

Step-by-step explanation:

Using Chord-Chord Power theorem:

=> (2)(x) = (4)(3)

=> 2x = 12

Dividing both sides by 2

=> x = 6

7 0
3 years ago
Please help!! I’ll give brainlist..!!
Xelga [282]

Answer:

the second, fourth, fifth, and sixth

4 0
3 years ago
Read 2 more answers
Determine whether the equation defines y as a function of x.<br> x+y=9 and x^2+y^2=1 and x=y^2
Murrr4er [49]

Answer:

Function: x+y=9

Not Function: x^2+y^2=1    and     x=y^2

Step-by-step explanation:

Given

x+y=9

x^2+y^2=1

x=y^2

Required

Determine if y is a function of x

Solving x+y=9

x+y=9

Make y the subject of formula

y = 9 - x

<em>Hence; y is a function of x</em>

Solving x^2+y^2=1

x^2+y^2=1

Subtract x² from both sides

y^2=1 - x^2

Square root of both sides

y =\± \sqrt{1 - x^2}

This implies that

y =\sqrt{1 - x^2}     or     y =-\sqrt{1 - x^2}

<em>Because </em>y<em> can be any of those two expressions, it is not a function.</em>

Solving x=y^2

x=y^2

Reorder

y^2 = x

Take square roots

y = \±\sqrt{x}

This implies that

y = \sqrt{x}      or        y = -\sqrt{x}

<em>Because </em>y<em> can be any of those two expressions, it is not a function.</em>

4 0
3 years ago
a building is 300ft long. on a scale drawing ,1inch =25ft. what is the length of the building in the scale drawing?
den301095 [7]
300 / 25 = 12

12 inches
6 0
2 years ago
Find the common difference and the next three terms of the arithmetic sequence. 1/4,1/2,3/4,1,5/4
andriy [413]

Hi there! :)

Answer:

\large\boxed {\frac{1}{4}} Common difference

\large\boxed{\frac{3}{2}, \frac{7}{4}, 2} Next three terms

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Find the common difference by subtracting the previous term from a term. We can use the terms 1/4 and 1/2:

Convert 1/2 into a fraction over 4:

1/2 · 2/2 = 2/4

Find the common difference by subtracting the fractions:

2/4 - 1/4 = 1/4. This is the common difference.

Find the next 3 terms by adding 1/4:

5/4 + 1/4 = 6/4 (Reduce fraction) = 3/2

6/4 + 1/4 = 7/4

7/4 + 1/4 = 8/4 (Reduce fraction)

Therefore, the next 3 terms are 3/2, 7/4 and 2.

3 0
3 years ago
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