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baherus [9]
3 years ago
14

PLEASE HELP!!!! THIS IS DUE IN AN HOUR! Also please don’t give me the wrong answer. I will know if u do especially if u do it ju

st to get points.. Please don’t troll me or anything like that.. Reflect the point (2,-4) over the y-axis. what are the new coordinates of that point after the reflection?
A. (2,4)
B.(-2,4)
C.(-2,-4)
D.(-4,2)​
Mathematics
1 answer:
Alex777 [14]3 years ago
3 0

Answer:

C

Step-by-step explanation:

a point (x, y) reflected over y-axis becomes ( -x, y)

(2, -4) becomes (-2, -4)

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Marissa wrote her bike to the park and back up halfway to the park she stopped at the library she was one 310 miles from the lib
erastovalidia [21]

Answer:

5 1/5 miles

Step-by-step explanation:

Given that :

Library is located halfway between park and home ;

Distance between library and park = 1 3/10 miles

Hence, total distance between park and home :

1 3/10 + 1 3/10 = 2 6/10

The distance driven :

Home to park ; park back home

2 6/10 + 2 6/10 = 4 12/10

4 + 12/10 = 4 + 1 2/10

= 5 2/10

= 5 1/5 miles

3 0
2 years ago
A rectangle is inside a circle with a 5 cm radius.
o-na [289]

Answer:

Do it your self

Step-by-step explanation:

Gross

8 0
3 years ago
How does the graph of f(x)=x² compare with the graph of f(x)=|x²|
gladu [14]

Answer:

They are the same.

Step-by-step explanation:

The graphs are same because <em>x</em>² is always positive, so the absolute value part is redundant.

3 0
3 years ago
The number of phone calls that Actuary Ben receives each day has a Poisson distribution with mean 0.1 during each weekday and me
Dovator [93]

Answer:

There is a 0.73% probability that Ben receives a total of 2 phone calls in a week.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given time interval.

The problem states that:

The number of phone calls that Actuary Ben receives each day has a Poisson distribution with mean 0.1 during each weekday and mean 0.2 each day during the weekend.

To find the mean during the time interval, we have to find the weighed mean of calls he receives per day.

There are 5 weekdays, with a mean of 0.1 calls per day.

The weekend is 2 days long, with a mean of 0.2 calls per day.

So:

\mu = \frac{5(0.1) + 2(0.2)}{7} = 0.1286

If today is Monday, what is the probability that Ben receives a total of 2 phone calls in a week?

This is P(X = 2). So:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 2) = \frac{e^{-0.1286}*0.1286^{2}}{(2)!} = 0.0073

There is a 0.73% probability that Ben receives a total of 2 phone calls in a week.

3 0
3 years ago
What is C in -43=-5c+4(2c+7)​
elixir [45]

Answer: C = - 71/3 or -23.6 or -23 2/3    All the same

Step-by-step explanation:

4 0
3 years ago
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