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
qwelly [4]
3 years ago
12

A car drives for 1 hour 55 minutes with a constant speed of 36 km/h and then for another 1 hour 50 minutes with a constant speed

of 72 km/h. What distance did it go?
Mathematics
1 answer:
stich3 [128]3 years ago
7 0
----------------------------------------
Convert hours to minutes
----------------------------------------
1 hour 55 mins = 60 + 55 = 115 mins
1 hour 50 mins = 60 + 50 = 110 mins

_____________________________________________________

----------------------------------------
Speed = 36/h
----------------------------------------
1 hour = 36 km

----------------------------------------
Rewrite 1 hour as 60 mins
----------------------------------------
60 mins = 36 km

----------------------------------------
Find 1 min
----------------------------------------
1 min = 36 ÷ 60
1 min = 0.6 km

----------------------------------------
Find 115 mins
----------------------------------------
1 min = 0.6 km
115 min = 0.6 x 115 
115 min = 69km

_____________________________________________________

----------------------------------------
Speed = 72km/h
----------------------------------------
1 hour = 72 km

----------------------------------------
Write 1 hour as 60 mins
----------------------------------------
60 mins = 72 km

----------------------------------------
Find 1 min
----------------------------------------
1 min = 72 ÷ 60 
1 min = 1.2 km

----------------------------------------
Find 110 min
----------------------------------------
1 min = 1.2 km
110 min = 1.2 x 110 
110 min = 132 km

_____________________________________________________

----------------------------------------
Total Distance traveled:
----------------------------------------
69km + 132km = 201km

----------------------------------------
Answer: 201 km
----------------------------------------

You might be interested in
How many subsets of five elements each can be made from a set of seven elements?
Alina [70]
<span>When creating a subset of 5 elements from 7 elements, order should not matter. Therefore, we use the combination formula over the permutation formula. The combination formula given n elements total and r elements used is n! / [r!*(n-r)!]. Substituting 7 for n and 5 for r, we get: 7! / (5!*2!) = 7*6 / 2 = 21 21 subsets can be created</span>
8 0
3 years ago
What is 60% of 1,545
Lyrx [107]

Answer: 927

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
What is the answer to all of these questions my minds not thinking right
Norma-Jean [14]
9) 6/10
10)14/21
11) 4/5
12)12/40
13)7/12
14)45/80
15) 27/108
16)7/56
17) 6/27
18) 70/112
4 0
3 years ago
Consider the equation ay'' + by' + cy = d, where a, b, c, and d are constants. (a) find all equilibrium, or constant, solutions
Orlov [11]
Rewrite equation so that it is homogeneous . 
ay'' +by' + cy = 0

Solve characteristic equation:
ar^2 +br + c = 0 \\ \\ r = \frac{(-b) \pm \sqrt{b^2 -4ac}}{2a} 

The solutions to the homogeneous equation are:
y = k_1 e^{r_1 t} + k_2 e^{r_2 t}

Finally you need the constant term in "cy" to equal 'd' to satisfy the particular solution.
y= k_1 e^{r_1 t} + k_2 e^{r_2 t} + \frac{d}{c}
4 0
3 years ago
Solve for x. Assume that lines are diameters?
Delicious77 [7]
360 - 20 + 2x = 360
340 + 2x = 360
2x = 20
x = 10
5 0
3 years ago
Read 2 more answers
Other questions:
  • What is the slope of the line whose equation is y- 2/3=0
    8·1 answer
  • In the diagram, WX, XY and YZ are three sides of a regular polygon A.
    6·1 answer
  • 2x-5&lt;5x-3x Please Help Me!!!
    14·1 answer
  • Which transformation(s) were used to go from the parent graph (red) to the transformed graph (blue)? Check all that apply!
    6·1 answer
  • Monthly sales of water heaters are normally distributed with a mean of 21 and a standard deviation of 5. What is the probability
    9·1 answer
  • Use the figure below to complete Parts A and B.
    13·1 answer
  • I know solve 13<br>but i want steps​
    9·2 answers
  • I WILL GIVE BRAINLIEST IF YOU ARE CORRECT!!
    7·1 answer
  • The 8th-grade class is fundraising for their spring trip. They need to raise a minimum of $2,000. The class is selling mugs at $
    8·1 answer
  • Complete the process of solving the equation.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!