1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
KonstantinChe [14]
3 years ago
15

You bike 9.8 miles in 1.4 hours at a steady rate.What equation represents the proportional relationship between the x hours you

bike and the distance in miles that you travel
Mathematics
1 answer:
AlexFokin [52]3 years ago
4 0

Answer:

The equation is \frac{x}{y}= 8

Step-by-step explanation:

Let the time for which i bike is = x hours

Let the distance traveled in x hours = y miles

Ratio of distance and time will be = x : y

I travel 11.2 miles in 1.4 hours then the ratio of time and the distance traveled will be 1.4 : 11.2 Or 14 : 112

then the ratio of distance and time will be same in both the cases

So equation will be

\frac{x}{y} =\frac{14}{112}\\\\\frac{x}{y} =8

Hence, equation representing the proportional relationship will be  \frac{x}{y}= 8

You might be interested in
Allied Corporation is trying to sell its new machines to Ajax. Allied claims that the machine will pay for itself since the time
kvasek [131]

Answer:

z(s) is in the acceptance region. We accept H₀  we did not find a significantly difference in the performance of the two machines therefore we suggest not to buy a new machine

Step-by-step explanation:

We must evaluate the differences of the means of the two machines, to do so, we will assume a CI  of 95%, and as the interest is to find out if the new machine has better performance ( machine has a bigger efficiency or the new machine produces more units per unit of time than the old one) the test will be a one tail-test (to the left).

New machine

Sample mean                  x₁ =    25

Sample variance               s₁  = 27

Sample size                       n₁  = 45

Old machine

Sample mean                    x₂ =  23  

Sample variance               s₂  = 7,56

Sample size                       n₂  = 36

Test Hypothesis:

Null hypothesis                         H₀             x₂  -  x₁  = d = 0

Alternative hypothesis             Hₐ            x₂  -  x₁  <  0

CI = 90 %  ⇒  α =  10 %     α = 0,1      z(c) = - 1,28

To calculate z(s)

z(s)  =  ( x₂  -  x₁ ) / √s₁² / n₁  +  s₂² / n₂

s₁  = 27     ⇒    s₁²  =  729

n₁  = 45    ⇒   s₁² / n₁    = 16,2

s₂  = 7,56   ⇒    s₂²  = 57,15

n₂  = 36     ⇒    s₂² / n₂  =  1,5876

√s₁² / n₁  +  s₂² / n₂  =  √ 16,2  + 1.5876    = 4,2175

z(s) = (23 - 25 )/4,2175

z(s)  =  - 0,4742

Comparing z(s) and  z(c)

|z(s)| < | z(c)|  

z(s) is in the acceptance region. We accept H₀  we did not find a significantly difference in the performance of the two machines therefore we suggest not to buy a new machine

The very hight dispersion of values s₁ = 27 is evidence of frecuent values quite far from the mean

3 0
3 years ago
Volume of a cube is 1728 cm3.Find its surface area​
Leno4ka [110]

Answer:

<h2>a=V⅓=1728⅓≈12</h2><h2 />

Step-by-step explanation:

<h2>Using the formula</h2><h2>V=a3</h2>

<h2>it is right answer </h2><h3>hope it will help you </h3>
8 0
3 years ago
Can you help me this has to be done
LenaWriter [7]
144 cm3 is what i came up with!
7 0
3 years ago
Alexander can earn money for the cans he recycles. Which of the following statements describes the variables in this situation c
Murrr4er [49]
I believe that your answer to this question would be "A" because the number of cans recycled don't depend on anything but the amount of money does. So your answer is "A"!!!! X) :D :)
8 0
3 years ago
Read 2 more answers
Complete a b and c if you do one it would mean alot
victus00 [196]

Answer: I don't see what your talking about here, so I can't help you.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Do these rates form a proportion? Defend your answer.<br> 66 songs: 6 hours<br> 22 songs: 2 hours
    13·1 answer
  • A cave contains 2 brown bats and 3 gray bats. The bats will fly out of the cave one at a time. What is the probability that the
    7·1 answer
  • A quadrilateral has angles that measure 101°, 133°, and 76°. what is the measure of the fourth angle?
    9·1 answer
  • The night watchman in a factory cannot guard both the safe in back and the cash register in front. The safe contains $6000, whil
    12·1 answer
  • Which number line represents the solution of 5x + 3 ≤ -7? A) A B) B C) C D) D
    10·1 answer
  • What is the inverse of f(x)=1/17x-3​
    12·1 answer
  • Use the equation and type the ordered-pairs.
    6·2 answers
  • Samantha spent 40 minutes on homework. Sixty percent of that time was spent on language arts. How many minutes were spent on lan
    9·2 answers
  • One day, the system stops working correctly. The faucet starts to fill the aquarium at a rate of 30 liters per minute, and the d
    8·2 answers
  • Fourth Grade<br> Memory Jogger Week 5 I need helppppp
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!