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
Lelu [443]
3 years ago
7

Amanda can jog 18 miles in 5 hours. At this rate, how many miles can Amanda jog in 4 hours?

Mathematics
2 answers:
9966 [12]3 years ago
4 0

Answer:amanda can jog 20miles in 4 hours

Step-by-step explanation:

vekshin13 years ago
3 0

Answer:

14.4 miles

Step-by-step explanation:

5 goes into 18 3.6 times and 3.6 x 4 = 14.4, she can run 3.6 miles per hour

You might be interested in
Braxton opened up his checking account with $500. On Monday, he withdrew $120 to purchase a pair of shoes. On Wednesday, he depo
AURORKA [14]

Answer:

$425

Step-by-step explanation:

subtract 120 and 5 from his starting total to get how much he has after all his purchases. Then add 50 to that total to get your answer.

5 0
3 years ago
In a study on the time that
krok68 [10]

The 95% confidence interval of the population mean, in years, is (4.3, 5.3). 4 years is not part of the confidence interval, which means that it contradicts the fact that 39% of students get their college degree in four years.

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

To solve this question, we need to find the confidence interval for the amount of time it takes the students to get the degree.

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

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

The first step to solve this problem is finding how many degrees of freedom,which is the sample size subtracted by 1. So

df = 80 - 1 = 79

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

95% confidence interval

Standard level of confidence, we have to find a value of T, which is found looking at the t table, with 79 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 1.9905.

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

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 1.9905\frac{2.2}{\sqrt{80}} = 0.5

In which s is the standard deviation of the sample and n is the size of the sample.

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

The lower end of the interval is the sample mean subtracted by M. So it is 4.8 - 0.3 = 4.3 years.

The upper end of the interval is the sample mean added to M. So it is 4.8 + 0.3 = 5.3 years.

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

The 95% confidence interval of the population mean, in years, is (4.3, 5.3). 4 years is not part of the confidence interval, which means that it contradicts the fact that 39% of students get their college degree in four years.

A similar question is given at brainly.com/question/24278748

6 0
3 years ago
Graph system of inequalities <br> Y&gt;|2/3x-3<br> Y&gt;|-4/3x+3
quester [9]

The Graphs are in attachment !

1st graph is for equation :

  • y  >   \dfrac{2}{ 3}x  - 3

2nd graph is for equation :

  • y  > -  \dfrac{4}{3} x + 3

7 0
3 years ago
Read 2 more answers
3x - 8 = 13 + -2(x - 8)
valentinak56 [21]

Answer:

37/5 or 7.4 or 7 2/5

Step-by-step explanation:

<em>I hope this helps! Have a great day!!</em>

<em>Skye~</em>

3 0
2 years ago
I don't understand what's the answer
gayaneshka [121]
The correct answer is D. 36 x 1/9
When there is a negative exponent on a whole number:
4 ^-2
1/ 4 ^2 = 1b16
6 0
3 years ago
Other questions:
  • Please I need help on this!!
    11·2 answers
  • If a person drives his car in the speed 50 miles per hour, how far can he cover the distance in 2.5 hours ?
    10·2 answers
  • Dina and Masha started out on a 20 miles bike path at the same time. When Dina reached the end of the 20 miles, Masha still had
    13·2 answers
  • Find all positive integer values of c that make x^2+6x+c factorable
    5·1 answer
  • If h hours and 20 minutes is equal to 380 minutes. What is h?<br>​
    7·2 answers
  • Simplify the following:<br> 1) √12 =
    15·1 answer
  • What is the mean of a set of numbers​
    13·2 answers
  • Question 10 of 24
    9·1 answer
  • How many more people in the world speak Chinese than English ?
    7·1 answer
  • Badria, Khalid, and Yousif have a total of 95 in their wallets. Yousif has 5 less than Badria. Khalid has 3 times what Yousif ha
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!