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Cerrena [4.2K]
3 years ago
13

Which is true regarding the graphed function f(x)?

Mathematics
1 answer:
serg [7]3 years ago
4 0

Answer:

f(5)=-1

Step-by-step explanation:

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Express 6 hours as a percentage of 2 days (Part)​
Akimi4 [234]

Answer:

12.5%

Step-by-step explanation:

I think it's 2 days converted to hours to get 48hrs

6/48×100 to make it a percentage

Answer would be 12.5%

Well that's according to my thinking

6 0
3 years ago
Find the solution set
Katyanochek1 [597]

Answer:

-25,-25

Step-by-step explanation:

5 to the second is 25 . because 5 times 5 is 25

6 0
3 years ago
The amount people whopay for cable service varies quite a bit, but the mean
Stells [14]

Answer:

$142 ; 0.749 ; Normal ; 0.090938

Step-by-step explanation:

Mean and standard deviation :

The mean of the distribution x = $142, because the sample size is sufficiently large, the distribution will be approximately normal (central limit theorem).

Standard deviation of distribution : σ/ sqrt(n)

= 29 / sqrt(1500)

= 0.749

B.)

Shape of sampling distribution of X.

The shape of the sampling distribution will be approximately normal due to the large sample size used. This is according to the central limit theorem whereby distribution of sample converges to normal with increasing sample size. Mean ~ N(142, 0.749²)

C.)

P(X > 143)

Using the relation :

Z = (x - mean) / standard error

Z = 143 - 142) / 0.7489

Z = 1.335

P(Z > 1.335) :

Using the Z probability calculator :

P(Z > 1.335) = 0.090938

7 0
2 years ago
True or false a system of equations including a line and a parabola can have only 2 solutions
Sergio [31]
False, it can have none when the line does not touch the parabola, one when the line touches at one point, and 2 when the line intersects in two places.
3 0
3 years ago
Can you guyz help me with this question.please write the answers step by step ☺️
sasho [114]
Hey! Ok so with this problem, you can figure out the pattern with subtraction.

If you convert the fractions to decimals you get 3.25 and 5.625. 
5.625 - 3.25 = 2.375, which means he increased his run by 2.375 miles.
8 - 5.625 = 2.375 as well, which follows the pattern. So what you would need to do from here is add 2.375 miles for each day he jogged. 

8 + 2.375 = 10. 375, the miles he jogged on thursday. 
10.375 + 2.375 = 12. 75, the miles he jogged on friday.

So, when converted to fractions, your answer is D: Eric jogged 12 3/4 miles on Firday


7 0
3 years ago
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