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Nutka1998 [239]

3 years ago

6

Which of the following number lines represents the solution to the compound inequality 2x+ 9 <3 or -3x +4<(or equal to) -1

1 ?

1 answer:

jeyben [28]3 years ago

3 0

I’m pretty sure it’s d

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Write an example of an equation that’s represents exponential decay

seropon [69]

The equation for exponential decay is given as y = a(1 - r)^x.

<u>Explanation:</u>

The formula for original exponential decay is y = ab^x.

The growth rate (r) is determined as b = 1 + r.

The decay rate (r) is determined as b = 1 - r.

y = ab^x (Where b = 1 - r)

y = a(1-r)^x

a represents the initial value

r represents growth or decay rate

x represents the number of time intervals that have passed.

<em>For example</em>

The population of Home Town is 2016 was estimated to be 35,000 people with an annual rate of increase of 2.4%.

The equation for decay factor y = 35000(1 - 0.024)^x

y = 35000(0.976). (where x = 1)

7 0

3 years ago

The inequality graphed below represents the ages, a, of players on a baseball team. Which inequality represents the same ages? 1

den301095 [7]

Answer:

12 ≤ a < 18 B is the letter

Step-by-step explanation:

i took the test

4 0

3 years ago

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Suppose the average tread-life of a certain brand of tire is 42,000 miles and that this mileage follows the exponential probabil

Ahat [919]

Answer: The probability that a randomly selected tire will have a tread-life of less than 65,000 miles is 0.7872 .

Step-by-step explanation:

The cumulative distribution function for exponential distribution is :-

$P(X\leq x)=1-e^{\frac{-x}{\lambda}}$ , where $\lambda$ is the mean of the distribution.

As per given , we have

Average tread-life of a certain brand of tire : $\lambda=\text{42,000 miles }$

Now , the probability that a randomly selected tire will have a tread-life of less than 65,000 miles will be :

$P(X\leq 65000)=1-e^{\frac{-65000}{42000}}\\\\=1-e^{-1.54761}\\\\=1-0.212755853158\\\\=0.787244146842\approx0.7872$

Hence , the probability that a randomly selected tire will have a tread-life of less than 65,000 miles is 0.7872 .

8 0

4 years ago

When are the x-intercept and the y-intercept of a graph identical?

vova2212 [387]

at the origin

they are same

7 0

4 years ago

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True or false? The degree of a binomial is always equal to 2

wel

Answer:

false

Step-by-step explanation:

the degree is found by looking at the term with the highest exponent of the variable..

4 0

3 years ago

Read 2 more answers