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Nastasia [14]
3 years ago
10

AB and BC are two equal chords of a circle of length 2√5 cm each. If radius of the circle is 5 cm, find the length (in cm) of th

e chord AC.
Mathematics
1 answer:
ivann1987 [24]3 years ago
7 0

Answer:

10

Step-by-step explanation:

radius is half and ab and bc = ac then 5+5=10

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A. f(x) = x2 - 11x - 12
katen-ka-za [31]

Answer:

x^2 -11x-12=(x-12)(x+1)\\x^2 -4x - 12 = (x-6)(x-+2)\\x^2+x-12 = (x-3)(+4)\\x^2-x-12=(x-4)(x+3)

Step-by-step explanation:

The sum of the two roots gives you the x term of the quadratic.

4 0
3 years ago
Read 2 more answers
{d(1) = 2.7 d(n) = d(n-1) x (6.1) find the explicit formula for d(n) <br><br> d(n) = ?
laiz [17]

The explicit formula of the function d(n) is d(n) = 2.7 * 6.1^{n-1

<h3>How to determine the explicit formula?</h3>

The function is given as:

d(1) = 2.7

d(n) = d(n-1) x (6.1)

The above means that the function is an exponential function, and it has the following parameters:

First term, d(1) = 2.7

Common ratio, r = 6.1

The explicit formula of an exponential function is:

d(n) = d(1) * r^{n-1

So, we have

d(n) = 2.7 * 6.1^{n-1

Hence, the explicit formula of d(n) is d(n) = 2.7 * 6.1^{n-1

Read more about explicit formulas at:

brainly.com/question/17615101

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4 0
2 years ago
Solve -vp + 30 &lt; 45 for v..
julia-pushkina [17]
<span> -vp + 30 < 45 for v.

</span> -vp  < 15
v > -15/p

hope it helps
8 0
3 years ago
(Anyone?) it’s easy just do it pls
telo118 [61]

Answer:

if it's easy why dont you do it,that picture dont even take good

3 0
3 years ago
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Directions: Simplify the following expressions. 1. (3x-10)² 6. (-15y + 3)² 7. (q-2r) (q + 2r) 8. (m-6)³ 9. (u−5)(u+ 5) 10. (x +
wlad13 [49]

Answer:

1. 9x^2-60x+100

6. 225y^2-90y+9

7. q^2-4r^2

9. u^2-25

10. x^3+6x^2+12x+8

2. 144a^2z^2-264abz+121b^2

3. 9b^4-4v^2

4. 8v^3+36^2w+54vw^2+27w^3

5. -16t^2y+64y^3+3362t+6724y

Step-by-step explanation:

There you go

5 0
3 years ago
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