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
REY [17]
3 years ago
15

A train left Podunk and traveled north at 75 km/h. Two hours later, another train left Podunk and traveled in the same direction

at 100 km/h. How many hours had the first train traveled when the second train overtook it?​
Mathematics
1 answer:
Andreyy893 years ago
6 0
Answer:

8 hours

Steps:

Train 1:

Hours: 1, 2, 3, 4, 5, 6, 7, 8

Miles: 75, 150, 225, 300, 375, 450, 525, 600

Train 2:

Hours: 1, 2, 3, 4, 5, 6, 7, 8

Miles: 0, 0, 100, 200, 300, 400, 500, 600
You might be interested in
K.Brew sells a wide variety of outdoor equipment and clothing. The company sells both through mail order and via the internet. R
Elan Coil [88]

Answer:

Step-by-step explanation:

The formula for determining the confidence interval for the difference of two population means is expressed as

Confidence interval = (x1 - x2) ± z√(s²/n1 + s2²/n2)

Where

x1 = mean sale amount for mail order sales = 82.70

x2 = mean sale amount for internet sales = 66.9

s1 = sample standard deviation for mail order sales = 16.25

s2 = sample standard deviation for internet sales = 20.25

n1 = number of mail order sales = 17

n2 = number of internet sales = 10

For a 99% confidence interval, we would determine the z score from the t distribution table because the number of samples are small

Degree of freedom =

(n1 - 1) + (n2 - 1) = (17 - 1) + (10 - 1) = 25

z = 2.787

Margin of error =

z√(s²/n1 + s2²/n2) = 2.787√(16.25²/17 + 20.25²/10) = 20.956190

4 0
3 years ago
David wants to install a fence fence around his garden. The garden is rectangular and has an area of 240 square feet. One side o
Ilya [14]
Find the length of each side 240÷12=20    20 is the other length. 
12•$18=$216   for the street side and 20+20+12=52  is the total length of the other sides 52•$15=$780  is the total cost of other 3 sides  780+216=996
the total cost is $996. Hope this helped
6 0
4 years ago
Read 2 more answers
The first term of a geometric series is a/b^2, and the common ratio is b/a^2. Find the next five terms of the geometric sequence
PSYCHO15rus [73]
Here it is in order (2nd to 6th):
1/ab, 1/a^3, b/a^5, b^2/a^7, b^3/a^9

Hope this helps!
5 0
3 years ago
Read 2 more answers
Can someone help me this question please?
pashok25 [27]
Larger number is 32 because if u take 48 minus 16 u get your anwser
5 0
3 years ago
Read 2 more answers
Find the distance between the given points. Round to the nearest tenth.
sashaice [31]

Answer:

B and is (-2, 3)...........

4 0
3 years ago
Other questions:
  • Patrick has 1 1/2 quarts of blue paint and 3 3/5 quarts of red paint. he mixes 2/3 of the blue paint and 5/6 of the red paint to
    5·1 answer
  • (8) = ཏ - (x + 3)<br> what is the value of 8
    10·1 answer
  • Just before a referendum on a school​ budget, a local newspaper polls 402 voters to predict whether the budget will pass. Suppos
    11·1 answer
  • BEST ANSWER GETS BRAINLIEST!! PLEASE HELP
    5·1 answer
  • 1 Pete owed each of his three sisters $10. Which statement accurately represents how much Pete owes in total?
    6·1 answer
  • Help pleaseee! I will give you brainliest
    14·1 answer
  • A caterer makes 15 3/4 quarts of tomato soup. He pours 2 cups of soup into each bowl. How many quarts of soup are in each bowl?
    15·1 answer
  • Today’s cafeteria specials are a turkey sandwich and a pepperoni pizza. During 1st lunch, the cafeteria sold 70 turkey sandwiche
    13·1 answer
  • Match each equation to the situation
    5·1 answer
  • 6x^2=-19x-15 solve the equation by graphing and at most two decimal places
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!