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Elanso [62]
3 years ago
12

The following numbers show the cost of renting a full-size rental car, based on the number of miles driven. (0 miles=$68.97), (5

0 miles=$88.47), (100 miles=$107.97), (150 miles=$124.97), (200 miles=$149.97). a) explain why a linear equation is appropriate for this relationship. b) find the slope of the line and interpret its meaning. c) find the y-intercept and interpret its meaning. d) determine the equation of the line. e) I'm trying to decide whether i can afford to drive to St. Louis which is 180 miles away. How much would it cost for a one-way trip?
Mathematics
1 answer:
lora16 [44]3 years ago
5 0
It to long i give up sorry bro
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1.) A florist sells bouquets for $12.25 each. Amiyah
deff fn [24]

Answer:

Step-by-step explanation:

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6 0
3 years ago
A manufacturer produces piston rings for an automobile engine. It is known that ring diameter is normally distributed with σ=0.0
oksian1 [2.3K]
<h2>Answer with explanation:</h2>

The confidence interval for population mean is given by :-

\overline{x}\pm z^* SE                   (1)

, where \overline{x} = sample mean

z* = critical value.

SE = standard error

and SE=\dfrac{\sigma}{\sqrt{n}} , \sigma = population standard deviation.

n= sample size.

As per given , we have

\overline{x}=74.021

\sigma=0.001

n= 15

It is known that ring diameter is normally distributed.

SE=\dfrac{0.001}{\sqrt{15}}=0.000258198889747\approx0.000258199

By z-table ,

The critical value for 95% confidence  = z*= 1.96

A 99% two-sided confidence interval on the true mean piston diameter :

74.021\pm (2.576) (0.000258199)     (using (1))

74.021\pm 0.000665120624

74.021\pm 0.000665120624\\\\=(74.021- 0.000665120624,\ 74.021+ 0.000665120624)\\\\=(74.0203348794,\ 74.0216651206)\approx(74.020,\ 74.022)  [Rounded to three decimal places]

∴  A 99% two-sided confidence interval on the true mean piston diameter  = (74.020, 74.022)

By z-table ,

The critical value for 95% confidence  = z*= 1.96

A 95% lower confidence bound on the true mean piston diameter:

74.021- (1.96) (0.000258199)    (using (1))

74.021- 0.00050607004=74.02049393\approx74.020 [Rounded to three decimal places]

∴  A 95% lower confidence bound on the true mean piston diameter= 74.020

7 0
3 years ago
Their sum is 6 and their difference is 36<br> Help plz
Ivan

Answer:

Step-by-step explanation:

if you can use negative numbers then   you could use 21 and -15

so

adding them together is  21 + (-15) = 6

and then subtracting  21 - (-15) =

                                     21 + 15 = 36

do you think that would work ?  :/

3 0
3 years ago
Read 2 more answers
Joe thinks the area to be pantries on wall 2is 84 square feet.
lilavasa [31]

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7 0
2 years ago
5. Find the total cost to the nearest hundredth. $12.99 T-shirt, 6% tax
Vlada [557]

Answer:

$13.80

Step-by-step explanation:

So we start with 12.99 then we have to multiply that by 0.06 to find what we would add which is 0.7794. After this we add 12.99 with 0.7794 and it becomes 13.7694 round this to the nearest hundredth and it becomes 13.80

4 0
2 years ago
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