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Dvinal [7]
3 years ago
10

This circle is centered at the origin, and the length of its radius is 8. What is

Mathematics
1 answer:
Anton [14]3 years ago
5 0

Answer: The equation of a circle with center (h,k) and radius r is given by (x−h)2+(y−k)2=r2 . For a circle centered at the origin, this becomes the more familiar equation x2+y2=r2

Step-by-step explanation:

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Write the equation for a line Parallel to this one.
AlladinOne [14]

Answer:

actually, a and b are correct, as any line is also parallel to itself (a).

b is probably the truly wanted answer, as this line is on a chart visible as a second line and parallel to the first one.

Step-by-step explanation:

the factor of x is also the slope of the line.

for a line to be parallel to another, both need to have the same slope.

the constant number in the equation is the offset of the line from point (0,0) in y direction.

so, b is a parallel line 4 units above the first line.

5 0
2 years ago
Express as a single natural logarithm.<br> ln 16 - ln 8<br> A. ln 2<br> B. ln 8<br> C. ln 128
Vlada [557]

the answer is A. ln 2

3 0
3 years ago
Read 2 more answers
Write the expression without the fraction bar.
kirill115 [55]
For problems like this you can move the y's on the bottem up top by fliping the sign of the exponent (in this case 7 to -7) and MULTIPLYING it with EVERYTHING on top, then because of properties of multplication you can add the exponents to combine them into one term (in this case add 3 and -7 to get -4) \frac{ y^{3} }{y^{7}}=y^3 *y^{-7} = y^{3+-7}=y^{3-7}=y^-4 If any of this does not make sense let me know and ill try to clarify better
5 0
3 years ago
Read 2 more answers
What is 15% of 135, show your work
SIZIF [17.4K]

Answer:

20.25

Step-by-step explanation:

Percentage solution with steps:

Step 1: Our output value is 135.

Step 2: We represent the unknown value with $x$

.

Step 3: From step 1 above,$135=100\%$

.

Step 4: Similarly, $x=15.\%$

.

Step 5: This results in a pair of simple equations:

$135=100\%(1)$.

$x=15.\%(2)$

.

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both

equations have the same unit (%); we have

$\frac{135}{x}=\frac{100\%}{15.\%}$

Step 7: Again, the reciprocal of both sides gives

$\frac{x}{135}=\frac{15.}{100}$

$\Rightarrow x=20.25$Therefore, $15.\%$ of $135$ is

sorry if it took to long have a great day and brainliest is appreciated!!!!!

5 0
3 years ago
|x|+5=18 a. 5 or -5 b.13 or -13 c.18 or -18 d.23 -23
dezoksy [38]
X+5=18
first get rid of the 5
so X+5-5=18-5
which makes X=13
if any questions please ask
b. 13
6 0
3 years ago
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