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fenix001 [56]
3 years ago
5

What would be your cost with each company if you traveled 100 miles? If you need to rent a truck for one day to move equipment.

FAST Movers will rent the truck for $39.95 per day with unlimited mileage. SPEEDY Movers will rent for $29.95 per day and will charge .35 per mile for all miles over 75 miles.
Mathematics
1 answer:
yawa3891 [41]3 years ago
4 0
It would be $39.95 for the Fast movers (bc they have unlimited mileage) and $38.70 for Speedy movers (including the extra miles added after 75) Please let me know if this helped, thanks.
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How to write the inverse of 3x+4y=12 in f^-1 (x)?
mojhsa [17]
3x+4y=12

4y=12-3x

y=(12-3x)/4   <---------- This is f(x)

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

3x+4y=12

3x=12-4y

x=(12-4y)/3

Therefore:

f⁻¹(x)=(12-4x)/3

=[4(3-x)]/3
8 0
3 years ago
A certain financial services company uses surveys of adults age 18 and older to determine if personal financial fitness is chang
zysi [14]

Answer:

The calculated z = 2.85 falls in the critical region z > 1.96 so we accept the null hypothesis that there is no difference between the population proportions for the two years.

Step-by-step explanation:

Let p1 be the sample of 1000 adults chosen in 2012 and

p2 be the sample of 1100 adults chosen in 2010

<u>Part a:</u>

The hypothesis that can be used to test for a significant difference between the population proportions for the two years is:

H0: p1-p2= 0           against the claim      Ha: p1-p2≠0

<u>Part b:</u>

The sample proportion indicating that their financial security was more that fair in 2012 is

p1^= 410/1000= 0.41

In 2010 is:

p2^= 385/1100= 0.35

<u>Part c:</u>

p^c= 410+385/1000+1100= 0.3785

q^c= 1-p^c= 1-0.3785= 0.6124

The critical region is z > ±1.96

The test statistic is

z= p1^- p2^ / sqrt ( p^cq^c( 1/n1+ 1/n2)

z= 0.41-0.35 /sqrt( 0.3785*0.6124(1/1000 +1/1100)

z=  0.06 / 0.021036

z= 2.85

Conclusion

The calculated z = 2.85 falls in the critical region z > 1.96 so we accept the null hypothesis that there is no difference between the population proportions for the two years.

P- value :  0.00466

The result is significant( accept the null hypothesis) for  value less than 0.05

<u>Part d:</u>

                                                     2012                         2010

Sample                                       1000                           1100

Proportions                               0.41                             0.35

Standard Error               √0.41( 0.59)/1000        √0.35( 0.65)/1100

                                               = 0.0155                0.01438

Standard Error for the difference = √0.0155² + 0.01438² =0.0211

p1-p2 ± z* standard error for the difference

0.41-0.35 ± 1.96 *( 0.0211)

0.06 ± 0.041356

-0.018644,   0.101356

The 95 % confidence interval estimate is (-0.018644,   0.10135

4 0
3 years ago
What is the value of x?<br><br> A.10.5<br><br> B.18.7<br><br> C.7.7<br><br> D.7.0
jarptica [38.1K]
The answer is 7 because 12+9 is 21 and 21-14 is 7.
3 0
3 years ago
Help!! I have no idea how to do this
Hoochie [10]
The formula for finding the axis of symmetry is x = -b/2a
So we get 2/-2
x = -1
6 0
3 years ago
Read 2 more answers
Find the value of x.<br> (x + 10)°<br> 64°<br> The value of x is
weeeeeb [17]

Answer: 106

Step-by-step explanation: you have a total of 180 degrees in there, so you only gotta find the unknown value of the other side so you do 180 - 64 which is 116. then you see that in order to get 116 you gotta add it times ten which you are gonna subtract by 10 which is 106, and 106 will be your answer.

7 0
2 years ago
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