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
s344n2d4d5 [400]
3 years ago
7

20. How many minutes would it take a train to travel

Mathematics
2 answers:
schepotkina [342]3 years ago
6 0
Answer to your question is 45
vladimir1956 [14]3 years ago
3 0

Answer:

45

Step-by-step explanation:

Every 15 minutes, 30 kilometers are passed by.

15/60 = 1/4 hour

30/120 = 1/4 speed

You might be interested in
What is -√169? (note: negative in front of the √)
Mademuasel [1]
Hello!
Ignore the negative and solve the square root which is 13.
Add the negative with 13 you get -13
Special case is when it is square root of -169 then it will involved with i.
But for this question just solve it directly.
Have a great day!
4 0
3 years ago
Find the distance.<br> -3,5 and 7,-1
Brilliant_brown [7]

Answer:

≈ 11.66 units

Step-by-step explanation:

<u>Given points:</u>

  • (-3,5) and (7,-1)

<u>To find:</u>

  • The distance between the given points

<u>The distance between two points is calculated by formula:</u>

  • d= √((x2-x1)² + (y2-y1)²)
  • d= √(((7-(-3))² + (-1-5)²) = √(10²+(-6)²)= √136 ≈ 11.66 units

<u>Answer is</u> ≈ 11.66 units

8 0
3 years ago
X+3menor que 8 qual o resultado
elixir [45]

x+3<8

8-3 =5

 X<5

 any number less than 5 will work

7 0
3 years ago
How do I construct a sample data set for which n=7, x=9(x bar), and s=0?
JulijaS [17]
When the standard deviation = 0, there is no deviation at all. So the numbers are all the same. And there are seven of them. And the average is nine. 
So the sample data set would just be seven 9s. 
4 0
3 years ago
Can someone please please please help me please
anzhelika [568]

#9 is answer A) yes,

#10 the answer is A) (n,j)

5 0
3 years ago
Other questions:
  • What number is 32% of 1000
    7·1 answer
  • A t statistic was used to conduct a test of the null hypothesis H0: µ = 11 against the alternative Ha: µ ? 11, with a p-value eq
    15·1 answer
  • Damon buys lumber worth $562. He gets 20% contractor discount. The sales tax is 6%. his credit card gives him 2% off. How much d
    9·1 answer
  • Multiply (2x^2-3x)(3x^2+2x-1)
    9·2 answers
  • Jackson went outside to look at the stars at 8:40 in the evening he went back inside at 9:25 how long did Jackson look at the st
    6·1 answer
  • Greg has a bag of beads that contains 16 black, 20 red, and 4 white beads. he randomly picks a bead, places it back into the bag
    8·1 answer
  • X+5(x-1)=(x-3)4-1 anyone?
    9·1 answer
  • 30/40 devided by 10
    7·2 answers
  • Tim is making 30 sundaes with mint, chocolate, and vanilla ice cream.
    6·2 answers
  • The staff at Tiny Little Cherubs day care center observed the eating habits of their 64 students during several
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!