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11 tháng 3 2023

51 hours `=51:24=2,125` days

9 tháng 3 2023

24 hours 48 minutes

 

9 tháng 3 2023

24 hours 48 minutes

 

31 tháng 3 2023

`24` minutes `= 24/60` hours `= 0,4` hours

`12` hours `24` minutes `xx2=12 + 0,4 xx 2=12,8` hours

Question 1:51 hours =  days(Write your answer by decimal in the simplest form)Question 2:5 minutes 27 seconds: 3 =  seconds.Question 3:12 hours 24 minutes  2 =  hours.(Write your answer by decimal in the simplest form)Question 4:0.6 hour =  minutes.Question 5:How fast is Anna going if she runs 8 miles in the park in only 2 hours?Answer:  mile/hour.Question 6:Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?Answer:  km. Question 7:How fast is...
Đọc tiếp

Question 1:
51 hours =  days
(Write your answer by decimal in the simplest form)

Question 2:
5 minutes 27 seconds: 3 =  seconds.

Question 3:
12 hours 24 minutes  2 =  hours.
(Write your answer by decimal in the simplest form)

Question 4:
0.6 hour =  minutes.

Question 5:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer:  mile/hour.

Question 6:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer:  km.
 

Question 7:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? 
Answer:  miles/hour.
 

Question 8:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer:  miles.
 

Question 9:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC. 
Answer:  

Question 10:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer:  km/h.

0
Question 1:5 minutes 27 seconds: 3 =  seconds.Question 2:51 hours =  days(Write your answer by decimal in the simplest form)Question 3:12 hours 24 minutes  2 =  hours.(Write your answer by decimal in the simplest form)Question 4:0.6 hour =  minutes.Question 5:How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?Answer:  miles. Question 6:How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? Answer:  miles/hour. Question...
Đọc tiếp

Question 1:
5 minutes 27 seconds: 3 =  seconds.

Question 2:
51 hours =  days
(Write your answer by decimal in the simplest form)

Question 3:
12 hours 24 minutes  2 =  hours.
(Write your answer by decimal in the simplest form)

Question 4:
0.6 hour =  minutes.

Question 5:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer:  miles.
 

Question 6:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? 
Answer:  miles/hour.
 

Question 7:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer:  km.
 

Question 8:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer:  mile/hour.

Question 9:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC. 
Answer:  

Question 10:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer:  km/h.

0
Question 1:5 minutes 27 seconds: 3 =  seconds.Question 2:51 hours =  days(Write your answer by decimal in the simplest form)Question 3:12 hours 24 minutes  2 =  hours.(Write your answer by decimal in the simplest form)Question 4:0.6 hour =  minutes.Question 5:How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?Answer:  miles. Question 6:How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? Answer:  miles/hour. Question...
Đọc tiếp

Question 1:
5 minutes 27 seconds: 3 =  seconds.

Question 2:
51 hours =  days
(Write your answer by decimal in the simplest form)

Question 3:
12 hours 24 minutes  2 =  hours.
(Write your answer by decimal in the simplest form)

Question 4:
0.6 hour =  minutes.

Question 5:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer:  miles.
 

Question 6:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? 
Answer:  miles/hour.
 

Question 7:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer:  km.
 

Question 8:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer:  mile/hour.

Question 9:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer:  km/h.
 

Question 10:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC. 
Answer:  

1
11 tháng 2 2017

TOI CUNG DANG DI HOI MANG

0.6 hour =  minutes.Question 2:51 hours =  days(Write your answer by decimal in the simplest form)Question 3:12 hours 24 minutes  2 =  hours.(Write your answer by decimal in the simplest form)Question 4:5 minutes 27 seconds: 3 =  seconds.Question 5:How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?Answer:  miles. Question 6:How fast is Anna going if she runs 8 miles in the park in only 2 hours?Answer:  mile/hour.Question 7:How fast is Jack going if...
Đọc tiếp

0.6 hour =  minutes.

Question 2:
51 hours =  days
(Write your answer by decimal in the simplest form)

Question 3:
12 hours 24 minutes  2 =  hours.
(Write your answer by decimal in the simplest form)

Question 4:
5 minutes 27 seconds: 3 =  seconds.

Question 5:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer:  miles.
 

Question 6:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer:  mile/hour.

Question 7:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? 
Answer:  miles/hour.
 

Question 8:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer:  km.
 

Question 9:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer:  km/h.
 

Question 10:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC. 
Answer:  

1
11 tháng 12 2021
🧐🧐🧐🧐🧐🤨🤨🤨🤨🤨🤔🤔🤔🤔🤔🤔🤔🤔🤔?????????
Fill in the blank with the correct numberQuestion 1:Complete the number pattern:  0,3,8,15,24,,48.Question 2:Find the area of the shaded region if A and B are squares of sides 5cm and 8cm respectively. Answer: The area of the shaded region is  .(write your answer by decimal in simplest form)Question 3:If , compute =.Question 4:The side of each square grid is 2cm. Find the area of the shaded region.Answer: The area of the shaded region is  .Question 5:If , find the value of m in .Answer:...
Đọc tiếp

Fill in the blank with the correct number

Question 1:
Complete the number pattern: 
 0,3,8,15,24,,48.

Question 2:
Find the area of the shaded region if A and B are squares of sides 5cm and 8cm respectively. 

Answer: The area of the shaded region is  .
(write your answer by decimal in simplest form)

Question 3:
If , compute =.

Question 4:

The side of each square grid is 2cm. Find the area of the shaded region.
Answer: The area of the shaded region is  .

Question 5:
If , find the value of m in .
Answer: m=.

Question 6:
How many whole numbers between 1 and 100 are not divisible by 3 or 11?
Answer:  numbers.

Question 7:
Evaluate:
=.
(round to four decimal places)

Question 8:
Evaluate:
=.
(write your answer by decimal in simplest form)

Question 9:
Find the whole number A knowing that A is 9 units greater than the average of A, 38, 45 and 67.
Answer: A=.

Question 10:
Find the whole number C knowing that C is 14 units smaller than the average of C, 68, 72, 99.
Answer: C=.

3
15 tháng 4 2017

Câu 3, 4, 5, 7, 8 các câu bỏ qua nhé

15 tháng 4 2017

Câu 3, 4, 5, 7, 8 các cậu bỏ qua nhé

\(\frac{1}{2\cdot3}+\frac{1}{3\cdot4}+\frac{1}{4\cdot5}+...+\frac{1}{38\cdot39}+\frac{1}{39.40}\)

\(=\frac{1}{2}-\frac{1}{3}+\frac{1}{3}-\frac{1}{4}+...+\frac{1}{38}-\frac{1}{39}+\frac{1}{39}-\frac{1}{40}\)

\(\frac{1}{2}-\frac{1}{40}\)

= 0,475