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yawa3891 [41]
2 years ago
6

Which of the following is the value of a when the function f(x) = 3xl is written in the standard form of an absolute value

Mathematics
1 answer:
Feliz [49]2 years ago
3 0

Answer:

  D.  3

Step-by-step explanation:

For g(x) = |x|, we seem to have ...

  f(x) = 3|x| = 3g(x) = a·g(x)

The value of 'a' is 3.

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Torn runs 10 miles in 85 minutes at the same rate how many minutes would he take to run 8 mile
Hoochie [10]

Rate = 85 minutes/10 miles

he runs a mile every 8.5 minutes

8 x 8.5 =68

This is because you multiply the Mileage(8) by the rate that was aquired. :)

7 0
3 years ago
Problem 1.(32 points) A random sample of 100 Uber rides in Chicago has on average 5.4miles per ride. Assume the distribution of
marshall27 [118]

Answer:

a) CI = ( 5,1 ; 5,7 )

b) SE =  0,1  

Step-by-step explanation:

a) Sample random     n  = 100

Mean  =  μ = 5,4

Standard deviation   s = 1,3

CI = 99 %    α = 1 %   α = 0,01     α/2 =  0,005

z(c) for  0,005 is from z-table    z(c)  = 2,575

z(c)  =  ( X - μ ) /s/√n          CI  =  μ ± z(c) * s/√n

CI =  5,4 ± 2,575* 1,3/10

CI = 5,4 ± 0,334

CI = ( 5,1 ; 5,7 )

b) SE = Standard deviation / √n

SE = 1,3 /10       SE =  0,1  

We can support that with 99 % of probability our random variable will be in the CI.

6 0
2 years ago
Find 85% of the number 33.51 help
Makovka662 [10]
33.51 X 85% (0.85) = 28.48
5 0
3 years ago
Read 2 more answers
Help is Strictly Needed.
faust18 [17]

Answer:

nah g

Step-by-step explanation:

7 0
2 years ago
A car rental agency charges $120 per week plus $.12 per mile driven. How many miles did you drive if the total charge is $162?
777dan777 [17]
\boxed{y=120+0.12x}\\
\\
y=162\\
\\
120+0.12x=162\\
\\
0.12x=162-120\\
\\
0.12x=42\\
\\
x=\frac{42}{0.12}\\
\\
\boxed{\boxed{x=350 \ miles}}
7 0
3 years ago
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