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OverLord2011 [107]
3 years ago
15

Can someone help me

Mathematics
2 answers:
Ulleksa [173]3 years ago
4 0

Answer:

10°

Step-by-step explanation:

180-20 = 160

<BCA = 160°

AC=CB because its Radius

so the angle for <CBA and <BAD also the same

(180 - 160) ÷ 2 = <BAD

<BAD = 10°

forsale [732]3 years ago
4 0

Answer:

∠ BAD = 10°

Step-by-step explanation:

The inscribed angle BAD is half the measure of the central angle BCD, then

∠ BAD = \frac{1}{2} × 20° = 10°

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Complete the equation of the line through (-10,3) and (-8,-8)
Alina [70]

Answer: 2y + 11x = -104

Step-by-step explanation:

The formula for calculating equation of line given two points is :

\frac{y-y_{1}}{x-x_{1}} = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

x_{1} = -10

x_{2} = -8

y_{1} = 3

y_{2} = -8

substituting the values into the formula , we have :

\frac{y-3}{x-(-10)} = \frac{-8-3}{-8-(-10)}

\frac{y - 3}{x + 10} = \frac{-11}{2}

2(y - 3 ) = -11 ( x +10 )

2y - 6 = -11x - 110

2y + 11x = -110 + 6

2y + 11x = -104

Therefore : the equation of the line in standard form is 2y + 11x = -104

8 0
3 years ago
- 6.85 + m/4 = -11 please do it step by step thank you
nikklg [1K]

Answer:

m = -16.6

Step-by-step explanation:

- 6.85 + m/4 = -11

Add 6.85 to each side

- 6.85+6.85 + m/4 = -11+6.85

m/4 =-4.15

Multiply each side by 4

m/4*4 = -4.15 *4

m = -16.6

7 0
4 years ago
The population of rabbits in a forest follows the law of
jeka57 [31]

Answer:

226.78579

Step-by-step explanation

first, find k in 90(3^kx)

90(e^0) = 90 [when time is 0 years, the population is 90]

180=90(e^k3), 2=e^3k

ln2 = 3k, k=(ln2)/3

90(e^4(ln2)/3) = 90(e^ln(16)/3)

it is about 226.78579

6 0
3 years ago
Suppose you travel 378 miles in 7 hours what is you average rate of speed
Tems11 [23]
54miles per hour is your average speed.
8 0
3 years ago
4 / u^2 (when u = 2)
Rudik [331]

Answer:

1

Step-by-step explanation:

We have the equation \frac{4}{u^{2} } for u = 2.

Which would be \frac{4}{2^{2} }=\frac{4}{4}=1

6 0
3 years ago
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