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
Tpy6a [65]
2 years ago
10

Steve Fossett completed the first solo balloon circumnavigation of the world after 13.5 days. Assuming the balloon travelled alo

ng a circle of diameter 12 750 km, roughly what was the average speed of the balloon in km/h?
A) 12
B) 40
C) 75
D) 120
E) 300​
Mathematics
1 answer:
Delicious77 [7]2 years ago
5 0

Answer:

B) 40

Step-by-step explanation:

<em>Average speed = distance/time</em>

Distance = 12750 km

Time = 13.5 days = 13.5*24  hours = 324 hours

Speed = 12750 km /324 h =  39.4 km/h ≈ 40 km/h

<u>Correct option is</u> B) 40

You might be interested in
Joey works 20 hours a week. If he works for 10 months continually, how many hours will he have worked? (1 month = 4 weeks)
Tcecarenko [31]
800 because 20*4*10=800 which means he works 80 weeks a month for 10 months
3 0
3 years ago
Pls help “What transformations of f(x)=x^2 would yield g(x)=(x-E)^2-A?
Ivan

right E units, down A units

whenever you have ( -E) whatever you have Inside you do the opposite just like this problem. We have -E so to the right. if it was positive we go left

4 0
2 years ago
How do you solve the inequality 12 &lt; x + 5 so that the variable "x" is on the left side?
Eduardwww [97]
The like terms are 12 and 5, so you have to subtract 5 from both sides.
12 < x + 5
-5. -5
7 < x
We can just switch it around so x is in the left side.
x > 7
7 0
3 years ago
Read 2 more answers
1 in/2.54 cm = 90 in/? cm
nirvana33 [79]
1/2.54 = 90/x

Cross multiply
(1)x = (2.54)(90)

x would equal 228.6

The answer would be 90 in/ 228.6 cm.
7 0
3 years ago
A factorial experiment was designed to test for any significant differences in the time needed to perform English to foreign lan
yuradex [85]

Answer:

For main effects

Factor (Language translator) confirms that there is no significance difference between two levels of language translator of main effect at 5% level of significance.

Factor (Types of language) confirms that there is no significance difference between three levels of types of language at 5% level of significance.

also,

For interaction effect between language translator and types of language, there is no significant difference that the interaction between language translator and types of language at 5% level of significance.

Step-by-step explanation:

see attached.

3 0
3 years ago
Other questions:
  • What is 2 + 2(3+4) - (4-1) x (5+6)
    14·2 answers
  • What is the equation from the table?
    8·2 answers
  • Lynn and dawn tossed a coin 60 times and got heads 33 times. What is the experimental probability of tossing heads using Lynn an
    11·1 answer
  • Please help I’ll give brainliest
    9·2 answers
  • What is the dependent variable in the graph below? a. month of the year b. days of snow fall c. time d. amount of snowfall PICTU
    9·1 answer
  • For every 4 basketballs there are 5 baseballs
    15·1 answer
  • Is the relationship shown by the data linear? If so, model the data with an equation. x= -7, -5, -3 ,-1 , y = 5, 9, 13, 17
    11·1 answer
  • A sporting good store sold 2.5 as many footballs as basketballs last year. How many footballs sold for every 2 basketballs said
    7·1 answer
  • The length of a rectangle is 1 7/9in., and its width is 3/4 of its length. Find the area of this rectangle.
    8·1 answer
  • The following table shows the data collected from a random sample of 100 middle school students on the number of hours they do h
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!