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
Gnoma [55]
2 years ago
15

Dora drove 80 km in 40 minutes then 120 km in 1 hour and then the final 200km took him 1 hour 20 minutes. what is his average sp

eed for the whole journey​
Mathematics
1 answer:
bonufazy [111]2 years ago
8 0

9514 1404 393

Answer:

  133 1/3 km/hour

Step-by-step explanation:

Average speed is computed as ...

  average speed = (total distance)/(total time)

  = (80 km +120 km +200 km)/(2/3 + 1 + 1 1/3 hour) = 400 km/(3 hour)

  = 133 1/3 km/hour

You might be interested in
The actual length of side y is 22 cm. Use the scale drawing to find the actual length of side x.
valina [46]
The correct answer is 28.3.

You take 22/1.4 and get 15.7142857143. Then you take 15.7142857143*1.8 which equals 28.2857142857 so you round it up to 28.3 which is the answer.

I hope this helps you:)
7 0
3 years ago
98 POINTS EASY
irina [24]

Answer:

11x+4+5=180         ok first we have to put all the naked numbers on one side and the x's number on one side, and by doing that a easier way to do that is you switch the spots but their symbols - and + change so if its  negative - its going to turn into a + positive and + to a -

11x = 180 - 5 - 4

11x = 171           and since theres mutliplication 11 times x which is 11x, were going to divide

x = 171/11  and the out come is with decimals  (15.54545...etc)

x=11 is incorrect

~batmans wife dun dun dun....

3 0
3 years ago
Read 2 more answers
Which sets of side lengths could form a triangle? Choose all that apply.
Svetlanka [38]

Answer:

4, 6, 9 and 5, 5, 9

4 0
3 years ago
Brian bought a new air conditioning unit on his credit card. The unit had a base price of $435. Brian made no other purchases on
Svetlanka [38]

Answer:

D is the correct answer

Step-by-step explanation:

Given:

Unit base price: $435

Credit Card interest rate, i = 9.4% compounded monthly; i = 0.00783/month comp monthly

n = 1.5 years = 18 months

sales tax = 8.51%

First, determine the actual price of the unit by adding the sales tax to the base price of the unit:

$435 * (1 + 0.0851)

Actual price = $472.0185

So, the total amount paid by Brian should be higher than the actual price since he used his credit card. Use the formula from economics:

F = P (1+i)^n

F = $507.96

Therefore, the total amount paid by Brian is $507.96.

(Hope this helps can I pls have brainlist (crown) ☺️)

3 0
2 years ago
What is the exact volume of the cylinder?
Mademuasel [1]
V=hpir^2
h=5
r=8
v=5pi8^2
v=5pi64
v=320pi cubic inches
8 0
3 years ago
Read 2 more answers
Other questions:
  • Solve the system of equations using elimination. 2x + y = 9 8x – 2y = 6
    5·1 answer
  • 20 POINTS!!
    9·2 answers
  • What is the volume of 5cm on each side?
    10·2 answers
  • How much is three more than the square of 8?
    10·1 answer
  • I keep getting confused I don't understand what I keep doing wrong
    7·1 answer
  • Jackson had $25 to spend on groceries . After purchasing 5 cantaloupes he had $2.50 left how much did each cantaloupe cost
    7·1 answer
  • Find the measure<br> of the indicated<br> Angle<br> to the nearest degree
    7·2 answers
  • Someone please help me ! I suck at plotting inequalities and when are you suppose to keep the circle open or close ?
    8·2 answers
  • Write in slope-intercept form an equation of the line that passes through the given points. (2,4),(5,13)
    15·1 answer
  • Could someone help me with number 19. PLEASE! thanks. :)
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!