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Svetllana [295]
2 years ago
8

Determine the center and radius of the following circle equation: x2 + y2 + 4x + 20y + 68 = 0

Mathematics
1 answer:
sammy [17]2 years ago
7 0

Answer:

center( -2,-10)

radius:6

Step-by-step explanation:

I hope this helps.

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tangent=\dfrac{opposite}{adjacent}

We have:

opposite=8.5\\adjacent=16

Substitute:

\large\boxed{\tan P=\dfrac{8.5}{16}\approx0.53}

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Can someone do this for me thanks ok bye
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log2 10 = 3x

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Basic Logarithm Tenets

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Evaluate the following question for f(3): f(x)=6(x-1)+9
kykrilka [37]
21 is the answer.You distribute 6 into the parentheses and you substitute 3 for x so 6(3-1)+9= f(x)=18-6+9 you add all the like terms and the answer is 21
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Write 0.12 as a fraction
Sladkaya [172]

Answer: 6/50

Step-by-step explanation:

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3 years ago
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Geometric Probability
KiRa [710]

Answer:

Step-by-step explanation:

1) P= Area of Circle/ Area of large rectangle

Area of the circle = pi·r² = pi·2²=4 pi ft.²

Area of large rectangle=  l·w -12·10 =120 ft.²

P = 4pi/120 rewrite 120 as 4·30

P= 4 pi/4*30 = pi/30 = 3.14/40 ≈ .1047 ≈10% (because .1047·100 =10.47≅10)

2) P = Area of smaller rectangle/ Area of large rectangle

Area of smaller rectangle = l·w = 2·4 =8 ft.²

Area of large rectangle=l·w = 12·10=120 ft²

P= 8/120 ≅ .0666≅ 7% (because .0666·100 =6.66≅7)

3) P= Not the circle or smaller rectangle/ Area of large rectangle

Not the circle or smaller rectangle area

= Area of large rectangle - Area of circle -Area of smaller rectangle

= 120 -4·pi -8 = 120 - (4· 3.14) -8 = 99.4362939 ft²

Area of large rectangle = l·w = 12·10 =120 ft²

P = 99.4362939 /120 ≅ .8286 ≅83% (because .8286·100 =82.86≅83)

7 0
3 years ago
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