A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?
(Write your answer by decimal in simplest form)
Answer:
dịch đề và giải lun nhé
A car traveled at a constant speed for 5 hours, covering a total distance of 301 km. How far did the car travel for one hour?
The speed of the car is :
301 : 5 = 60,2 (km/h)
là 60,2 mk chắc vì đó là đáp án violympic toán tiếng anh lớp 6
mk lm đúng
Question 1:
The perimeter of the circle is cm
(Write your answer by decimal in the simplest form)
Question 2:
Calculate: 626.35+525.36 =
Question 3:
Calculate:
(Write your answer in the simplest form)
Question 4:
There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?
Answer: There are empty seats.
Question 5:
A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?
(Write your answer by decimal in simplest form)
Answer:
Question 6:
The value of m is
Question 7:
Mrs. Jane buys 10kg of flour. She uses 1/6 of it to make a cake and 1/3 of it to make grape pies. How many kilograms of flour are left?
Answer: kg.
Question 8:
45% of M is 72. The value of M is
Question 9:
Emily rides her horse 21km in 7/6 hours. What is her average speed in kilometers per hour?
Answer: Her average speed is kilometers per hour.
Question 10:
Anna multiply together the following numbers
How many zeros are there at the end of the product?
Answer: There are zeros.
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
A classroom is 6.5 meters long and 4.2 meters wide. What is its area?
Answer: Its area is ................................
(Write your answer by decimal in the simplest form)
Question 2:
The area of the trapezoid below is .........................
Question 3:
What is 50% of 824?
Answer: .........................................
Question 4:
The perimeter of the circle is ...........................cm
(Write your answer by decimal in the simplest form)
Question 5:
45% of M is 72. The value of M is ............................
Question 6:
A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?
(Write your answer by decimal in simplest form)
Answer: .............................
Question 7:
The perimeter of a rectangular land is 90m. Its length is 7m longer than its width. The area of this land is ..................
Question 8:
The value of m is ..........................
Question 9:
Anna multiply together the following numbers
How many zeros are there at the end of the product?
Answer: There are ................... zeros.
Question 10:
If and n is a natural number then n = ..........................
Question 1: 27,3
Question 2: 18
Question 3: 412
Question 4: 21,98 cm
Question 5: M=32,4
Question 6: 60,2
Question 7: 494
Question 8: m=9
Question 9: 4 zeros
Question 10: n=5
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:
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.
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.
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:
Question 1
Bob drove from City P to City Q. He traveled the first 36km at an average speed of 54km/h. He traveled the remaining 96km at a average speed of 72km/h. Find his average speed for the whole trip.
Answer: km/h.
Question 2
John drove from Town A to Town B in 5 hours. His average speed for the first 3.5 hours was 64km/h. His average speed for the last 1.5 hours was 60km/h. What was the total distance he traveled?
Answer: km.
Question 3
A car traveled at 50km/h for 2 hours and at 60km/h for 3 hours. What is the car’s average speed?
Answer: km/h
Question 1:66 km/h
Question 2:314 km
Question 3:200/9 km/h
Question 1:66 km/h
Question 2:314 km
Question 3:56 km/h
Mr.Joseph drives car from A to B at a constant speed. If the speed of the car is increased by 20%, it takes him one hour less than the usual time. If he drives at the constant speed for the first 100km before increasing the speed by 30%, it also takes him one hour less than the usual. The distance of AB is ..........km.
Gọi S là quãng đường
v là vận tốc
t là thời gian Mr.J đi thường ngày
=>\(\dfrac{S}{120\%v}=t-1\)
\(\dfrac{100}{v}+\dfrac{S-100}{130\%v}=t-1\)
=>\(\dfrac{S}{120\%v}=\dfrac{100}{v}+\dfrac{S-100}{130\%v}\)
<=>\(\dfrac{130S}{156v}=\dfrac{15600+120S-12000}{156v}\)
<=>\(10S=3600\)
<=>\(S=360\)
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