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3 years ago

Write standard equation of a circle.

Mathematics

2 answers:

KonstantinChe [14]3 years ago

6 0

Answer:

Step-by-step explanation:

(x-2)^2 + (y+5)^2 =5

BartSMP [9]3 years ago

4 0

Answer:

2,-5

Step-by-step explanation:

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If x2+1/x2=18, find the value of x3−1/x3

Elden [556K]

Answer:

There are 2 answers : 76 or -76

Step-by-step explanation:

$x^2+\dfrac{1}{x^2} =18\\\\(x-\dfrac{1}{x} )^2=x^2+\dfrac{1}{x^2} -2=18-2=16\\\\x-\dfrac{1}{x}=4\ or\ x-\dfrac{1}{x}-4\\\\(x-\dfrac{1}{x} )^3=x^3-\dfrac{1}{x^3} -3x^2*\dfrac{1}{x}+3x*\dfrac{1}{x^2}\\\\=x^3-\dfrac{1}{x^3}-3(x-\dfrac{1}{x})\\\\x^3-\dfrac{1}{x^3}=(x-\dfrac{1}{x} )^3+3(x-\dfrac{1}{x})\\\\if\ x-\dfrac{1}{x}=4\ then \ x^3-\dfrac{1}{x^3}=4^3+3*4=64-12=76\\\\if\ x-\dfrac{1}{x}=-4\ then \ x^3-\dfrac{1}{x^3}=(-4)^3+3*(-4)=-64-12=-76\\\\$

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3 years ago

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5.58 as an improper fraction

navik [9.2K]

Answer:

5 29/50= 279/50

Step-by-step explanation:

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3 years ago

PLEASE HELP ASAP WILL GIVE BRANLIESTKayla is installing a rectangular play area in her backyard so her new puppy can run around.

diamong [38]

Answer:

The equation is P - 42 = 12

P = 54

Step-by-step explanation:

3 0

3 years ago

5x5 + 8x2 + 2x – 3x9 – 8x4 – 4x5

Vladimir79 [104]

I'm assuming that the number after the variable is supposed to be the exponent.

$5x^{5}+8 x^{2} +2x-3x^{9}-8x^{4}-4x^{5}$

Combine like terms to get:

$-3x^{9}+x^{5}-8x^{4}+8x^{2}+2x$

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3 years ago

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nignag [31]

answer:

below is a sample of a bar graph

step-by-step explanation:

label the bars according to the color they correspond
let me know if you need more explanation

6 0

4 years ago

Read 2 more answers