$\text{If (-3, y) lies on the graph of}\ \ y = \left(\dfrac{1}{2}\right)^x, \text{then substitute x = -3}\\\text{ to the equation and calculate y}:\\\\y=\left(\dfrac{1}{2}\right)^{-3}=(2)^3=8\\\\Answer:\ \boxed{y=8}\\\\Used:\ a^{-n}=\dfrac{1}{a^n}$

6 0

2 years ago

Which is the equation of the function?

dlinn [17]

Answer

its the third one.

Step-by-step explanation:

7 0

2 years ago

Carrie ran some of the miles and walked some of the miles in a 10-mile race. Each mile she ran took 9 minutes, and each mile she

natka813 [3]

You can use y=Mx+b or you can use ride over run because all you need to do is find which number you would like to use for your x and y and you can figure it out easy

6 0

2 years ago

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430 randomly selected light bulbs were tested in a laboratory, 224 lasted more than 500 hours. Find a point estimate of the prop

Ray Of Light [21]

The estimated portion of light bulbs that last more than 500 hours will be
x=∑xn=224/430=0.521=52.1%

6 0

2 years ago