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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 sports company conducted a road test of a new model of a geared bike. The test rider cycled (3x − 2) miles on a flat road, (x2
Arisa [49]

Answer:

start with what you know

Step-by-step explanation:

makes you smarter

4 0
2 years ago
If h(x) = 5 + x and k (x) = StartFraction 1 Over x EndFraction, which expression is equivalent to (k circle h) (x)?
Semenov [28]

Answer:

The answer is B 1/(5+x)

Step-by-step explanation: I just took this test on edgenuity and had trouble with this exact question

8 0
3 years ago
Factor the expression completely
Phantasy [73]
Factor : 8y - 36

Go through all of the answer choices & see which one is correct.

a) -4 (2y + 9)

You don't even have to fully simplify this, just by looking at the -4, you already know that this is incorrect because you need to have a positive 8. So, A is incorrect. 

b) 8 (y - 4)

Simplify.

8y - 32

Incorrect because it is not equal to the original equation.

c) 2 (4y - 18)

Simplify.

8y - 36

Correct answer because it is equal to the original equation.

d) 4(2y - 9)

Simplify.

8y - 36

D is also correct.

So, your answer is : (C) and (D) are your answers. 

~Hope I helped!~
5 0
3 years ago
Read 2 more answers
Angel bought 8 oranges and 11 Apples for a total $15.22. He knows that each orange costs 0.50 and reasoned that each Apple must
Marysya12 [62]
Yes, it is fairly reasonable... if you round it..

however, if you want exact calculations, then it might not be so reasonable, because it will go over the total amount

so if you round it, then yes it is fairly reasonable
4 0
3 years ago
Read 2 more answers
Determine and state the maximum error of the function G(x,y,z)=20 ln⁡(xyz^2 ) using differentials when (x,y,z)=(2,3,4) and given
Leona [35]

Answer:

The maximum error in the function G, ΔG = ±4

Step-by-step explanation:

G(x,y,z) = 20 In (xyz²)

Total or maximum error for a multi-variable function is given by

ΔG = (∂G/∂x) (Δx) + (∂G/∂y) (Δy) + (∂G/∂z) (Δz)

(∂G/∂x) = 20yz²/xyz² = 20/x

(∂G/∂y) = 20xz²/xyz² = 20/y

(∂G/∂z) = 40xyz/xyz² = 40/z

Δx = ±0.10

Δy = ±0.15

Δz = ±0.20

ΔG = (∂G/∂x) (Δx) + (∂G/∂y) (Δy) + (∂G/∂z) (Δz)

ΔG = (20/x) (0.10) + (20/y) (0.15) + (40/z) (0.2)

At the point (x,y,z) = (2,3,4)

ΔG = (20/2) (0.10) + (20/3) (0.15) + (40/4) (0.2) = 10(0.10) + 20(0.05) + 10(0.2) = 1 + 1 + 2 = 4

ΔG = ±4

6 0
3 years ago
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