3 years ago

Help with this find the image of (1 ,2) after a reflection about y=x followed by a reflection about y=-x

Mathematics

1 answer:

natali 33 [55]3 years ago

6 0

Answer:

(0,-3)

Step-by-step explanation:

sold by graphing

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The population P of a small town, measured in hundreds, is modeled by the inverse of the function P−1(t) = 10ln(50t − 1000), whe

AleksandrR [38]

Using the inverse function, it is found that the equation is:

$P(t) = \frac{e^{0.1t}}{50} + 20$

It's initial value is 20.

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

We want to find the inverse of:

$y = P^{-1}(t) = 10\ln{50t - 1000}$

To do this, we <u>exchange y and t, and isolate y.</u>

Then:

$10\ln{50y - 1000} = t$

$\ln{50y - 1000} = \frac{t}{10}$

$e^{\ln{50y - 1000}} = e^{0.1t}$

$50y - 1000 = e^{0.1t}$

$50y = e^{0.1t} + 1000$

$y = \frac{e^{0.1t} + 1000}{50}$

$y = \frac{e^{0.1t}}{50} + \frac{1000}{50}$

$P(t) = \frac{e^{0.1t}}{50} + 20$

It's initial value is:

$P(0) = \frac{e^{0.1(0)}}{50} + 20 = 0.02 + 20 = 20.02$

Rounding, 20.

A similar problem is given at brainly.com/question/23950969

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3 years ago

What is the value of x and y if 21x+7y=42 and -5x+5y=10 are equal

nikdorinn [45]

Answer:

-5x/5 +5y/5=10/5=2

y-x=2

y=x+2

21x+7*(x+2)=42

21x+7x+14=42

28x=42-14

28x=28

x=1

y=1+2

y=3

Step-by-step explanation:

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3 years ago

Convert -0.0647 to Scientific Notation

Firlakuza [10]

Answer:

6.47 x 10^-2

Step-by-step explanation:

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1. Exponential

2. Linear

3. Exponential

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The adams family is remodeling their family room. the room measures 14 feet by 20 feet, and the contractor wants $35 per square

OverLord2011 [107]

14 * 20 = 280 sq ft
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