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Andre45 [30]
3 years ago
7

PLZ HELP ASAP CIRCLES

Mathematics
1 answer:
love history [14]3 years ago
4 0
First we need to convert the given equation to standard form, then we can write the center and radius directly from it.

x^{2} -16x+ y^{2} -36=0 \\  \\ 
 x^{2} -2(x)(8)+ y^{2} = 36 \\  \\ 
 x^{2} -2(x)(8)+ 8^{2}+  y^{2} =36 +8^{2} \\  \\ 
(x-8)^{2}+y^{2}=100

Thus, we can say now:

Center of the circle is (8,0) and its radius is 10.
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A store sells 1/4 pound of beef for $0.75. If u are having a party and need 6 pounds of beef for hamburgers,using the unit rate,
hodyreva [135]

1/4 pound beef, b = $0.75

=》 6 pounds beef = (6)/ (1/4) × b

=》 6 pounds beef = 24 × $0.75 =$18.00

8 0
3 years ago
The equation 201.50=f+6.50(21) represents the cost of printing the shirts at a second printing company. Find the solution to the
AveGali [126]

Answer:

f = 65

Setup cost = 65

Step-by-step explanation:

Given the equation : 201.50=f+6.50(21)

Solving for f:

201.50 = f + 136.50

201.50 - 136.50 = f

f = 65

The equation above is written in the form a slope intercept function where,, 6.50 is the gradient and X equals the number of shirts, The total cost of printing is 201.50

f is the intercept and represents the initial fee or setup cost. Hence, the setup. Cost = 65

5 0
2 years ago
A certain dodgeball court is a circle with a square perfectly inscribed inside it. the square represents the playing field, whil
cluponka [151]
<span>Exactly 8*pi - 16
 Approximately 9.132741229 For this problem, we need to subtract the area of the square from the area of the circle. In order to get the area of the circle, we need to calculate its radius, which will be half of its diameter. And the diameter will be the length of the diagonal for the square. And since the area of the square is 16, that means that each side has a length of 4. And the Pythagorean theorem will allow us to easily calculate the diagonal. So: sqrt(4^2 + 4^2) = sqrt(16 + 16) = sqrt(32) = 4*sqrt(2) Therefore the radius of the circle is 2*sqrt(2). And the area of the circle is pi*r^2 = pi*(2*sqrt(2)) = pi*8 So the area of the rest areas is exactly 8*pi - 16, or approximately 9.132741229</span>
6 0
3 years ago
Evaluate the expression when a=4<br> b =−5 and c=−8<br><br> a+b=
stich3 [128]

The value of the expression for the given values of a and b is -1

<h3>Evaluating an expression</h3>

From the question, we are to evaluate the given expression for the given values of a, b, and c

The given expression is

a + b

The given values are

a = 4,

b = -5,

and

c = -8

To evaluate the given expression for the given values of a and b, we will put the values of a and b into the expression,

That is,

a + b becomes

4 + -5

= 4 -5

= -1

Hence, the value of the expression for the given values of a and b is -1

Learn more on Evaluating an expression here: brainly.com/question/17425636

#SPJ1

7 0
1 year ago
A prism has a volume of 160 cubic
solmaris [256]

Answer: Step by step

Step-by-step explanation:

4 0
1 year ago
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