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ryzh [129]
3 years ago
8

9(x) = 2x-1 r(x) = -2x 2 2 Find the value of r(q (2)).

Mathematics
1 answer:
BabaBlast [244]3 years ago
6 0

Answer:

<em>Answer</em><em> </em><em>is</em><em> </em><em>-6</em>

Step-by-step explanation:

given \: q(x) = 2x - 1 \\ and \: r(x) =  - 2x \\ r(q(2)) = r(2(2) - 1) \\ \:  \:   = r(4 - 1) \\  = r(3) \\  =  - 2(3) \\  =  - 6 \\ therefore \: r(q(2)) =  - 6

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

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QveST [7]

Answer:

<em>The amount of water in the reservoir at the beginning of second week</em>

<em></em>w_{2} = 299.8800<em></em>

Step-by-step explanation:

<u>Step(i):</u>-

<em>Given equation </em>

<em>   w₀ = 300  and </em>

w_{n} = (0.9993) w _{n-1} + 0.15

Put n =1

w_{1} = (0.9993) w _{1-1} + 0.15

w_{1} = (0.9993) w _{0} + 0.15

w_{1} = (0.9993) X 300 + 0.15

w_{1} = 299.94

<u><em>Step(ii)</em></u>:-

<em>Put n =2</em>

w_{2} = (0.9993) w _{2-1} + 0.15

w_{2} = (0.9993) w _{1} + 0.15

w_{2} = (0.9993) X (299.94) + 0.15

w_{2} = 299.8800

<u><em>Conclusion:</em></u>-

<em>The amount of water in the reservoir at the beginning of second week</em>

<em></em>w_{2} = 299.8800<em></em>

<em></em>

                     

3 0
3 years ago
Given the equation, what is the center and radius of the circle? <br> (X-2) ^2+ (Y+11)^2=100
LekaFEV [45]

Answer:

Center: (2, -11)

Radius: 10

Step-by-step explanation:

(x - 2)² + (y + 11)² = 100

(x - h)² + (y - k)² = r²

-------------------------------

x - 2 = 0

  +2   +2

x = 2

------------

y + 11 = 0

   -11    -11

y = -11

------------------------------

r² = 100

r = √100

r = 10

----------------------------

Center: (h, k)

Radius: r

-------------------------------

Center: (2, -11)

Radius: 10

I hope this helps!

3 0
2 years ago
Read 2 more answers
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