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leva [86]
3 years ago
15

10. Triangle ABC was transformed to create triangle A'B'C'. Which rule best

Mathematics
1 answer:
Mrac [35]3 years ago
3 0

Answer:

dddgv

Step-by-step explanation:

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Determina el centro,radio y gráfica de la circunferencia:(x+2)2 + (y-3)2=121
Sergeu [11.5K]

Answer:

La ecuación genérica para un círculo centrado en el punto (a, b), de radio R, es:

(x - a)^2 + (x - b)^2 = R^2

Entonces si miramos a nuestra ecuación:

(x + 2)^2 + (y - 3)^2 = 121

Tendremos el centro en:

(-2, 3)

el radio está dado por:

R^2 = 121

R = √121 = 11

La gráfica de esta circunferencia se puede ver en la imagen de abajo.

6 0
2 years ago
Find the constant of variation if an employee earns $175 for 15 hours work.
RUDIKE [14]

Answer:

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Step-by-step explanation:

6 0
3 years ago
The area of a circular sun spot is growing at a rate of 1,200 km2/s.
Tpy6a [65]
A)

\bf \textit{area of a circle}\\\\
A=\pi r^2
\\\\\\
\cfrac{dA}{dt}=\pi \cdot 2r\cfrac{dr}{dt}\implies \cfrac{dA}{dt}=2\pi r\cfrac{dr}{dt}\implies \cfrac{\frac{dA}{dt}}{2\pi r}=\cfrac{dr}{dt}\\\\
-----------------------------\\\\
\left. \cfrac{dr}{dt}  \right|_{r=3000}\implies \cfrac{1200}{2\pi \cdot 3000}=\cfrac{dr}{dt}\\\\

B)

\bf A=\pi r^2\qquad A=490000\implies 490000=\pi r^2\implies \sqrt{\cfrac{490000}{\pi }}=r
\\\\\\
\left. \cfrac{dr}{dt}  \right|_{r=\sqrt{\frac{490000}{\pi }}}\implies \cfrac{1200}{2\pi \cdot \sqrt{\frac{490000}{\pi }}}=\cfrac{dr}{dt}

8 0
2 years ago
What are the values for the coefficients and constant term of 0=2+3x^2-5x
Usimov [2.4K]

Answer:

x=2/3 or x=1

I had this before

Is the right answer

Hope i helped you

5 0
3 years ago
!!! PLEASE ANSWER NOW!!! <br>A square has side length 4 cm. What is its area?<br>​
almond37 [142]

Answer:

16 cm

Step-by-step explanation:

  1. 4 × 4 = 16 cm

I hope this helps!

8 0
3 years ago
Read 2 more answers
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