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zubka84 [21]
3 years ago
13

6. In the circle below, chords AB and CD intersect at E. If mBD = 70° and mZAEC = 110° , find mAC

Mathematics
1 answer:
Kitty [74]3 years ago
7 0

Answer:

mAC=70°

Step-by-step explanation:

Someone can corroborate this but:

180°-110=70°=(m<aed)

180°-(m<aed)=70°

mAC=mBD

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F(x) = 7|x| awnser the question for some points
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Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in s
Jobisdone [24]

Answer:

f(x)=x^4-9x^2-50x-150

Step-by-step explanation:

Let f(x) be the polynomial function of minimum degree with real coefficients whose zeros are 5, -3, and -1 + 3i be f(x).

By the complex conjugate property of polynomials, -1-3i is also a root of this polynomial.

Therefore the polynomial in factored form is f(x)=(x-5)(x+3)(x-(-1+3i))(x-(-1+3i))

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3 0
3 years ago
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malfutka [58]

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3.3 A circle has a radius of 12cm. An angle of 3.2 radians is subtended at the centre by an arc. Calculate the length of the arc
Inessa [10]

Answer:

S = 38.4 centimeters.

Step-by-step explanation:

<u>Given the following data;</u>

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Therefore, a full circle is equal to 2π in terms of radians (rads).

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Mathematically, the length of the arc of a circle is given by the formula;

S = rA

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<em>S = 38.4 centimeters.</em>

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2 years ago
Can someone help me with this algebra question please 100% correct only
Mice21 [21]
The answer is:  [D]:  " 24 + 2w " .
___________________________________________
Explanation:
___________________________________________
Given: The formula for the Perimeter of a rectangle:
___________________________________________
   P = 2L + 2w ; 
  
                 in which:
                                P = perimeter ;
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                                w = width = unknown;
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           Find the perimeter, "P", in terms of "w" ; since "w" (width) is unknown; and considering the answer choices given; along with the information provided in the problem, we only have enough information to solve for the perimeter, "P", in terms of "w" ; 
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         So, given the formula/equation for the perimeter, "P" :
_____________________________________________________
       P = 2L + 2w ;  we know that:  " L = 12 units " ;
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       P = 2*12  +  2w  =  24 + 2w ;  which is:  "Answer choice: [D]" .
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7 0
2 years ago
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