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atroni [7]
3 years ago
13

While flying against the wind, the plane covered 1800 km in 2 hours and 40 minutes. On the return flight it spent 16 minutes les

s because the plane was moving on the direction of the wind. What was the speed of the wind and the speed of the plane?
Mathematics
1 answer:
zavuch27 [327]3 years ago
3 0

Answer:

you should just use an online caculatur

Step-by-step explanation:

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A parking space is 20 feet long. A pickup truck is 6 yards long. How many inches longer is the parking space than the truck
masya89 [10]

1 yard = 3 feet.

Multiply the length of the truck by 3 to get total feet:

6 x 3 = 18 feet.

Subtract the length of the truck from the length of the parking space:

20 - 18 = 2 feet

1 foot = 12 inches.

Multiply 2 feet by 12:

2 x 12 = 24 inches longer.

7 0
3 years ago
please help me I would solve them myself but i have too much work and who ever solves is correctly I will give brainliest and if
mamaluj [8]

Answer:

1. 28

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

7 0
2 years ago
An interior designer purchased 4 1/2 yards, 6 2/3 yards and 9 1/4 yards of fabric to make curtains How many yards of fabric did
ArbitrLikvidat [17]
Simply add up all.

4  1/2  +    6  2/3  + 9  1/4

(4 + 6 + 9) +    1/2  + 2/3 + 1/4

19                    6/12 + 8/12 + 3/12 = (6+8+3)/12 = 17/12

19      17/12
 
19       1 5/12

19 + 1  5/12

= 20   5/12

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4 0
3 years ago
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A recent research study randomly divided participants into groups who were given different levels of Vitamin E to take daily. On
horrorfan [7]

Answer: D. To produce treatment groups with similar characteristics

Step-by-step explanation:

By using randomization in sampling, the Sample would be more representative of the Population it is based off of because different demographic characteristics may be picked.

This leads to a situation where the groups have similar characteristics between themselves thereby making it easier for comparison. For example, Group 1 would have certain types of people that will be represented in Group 2 and Group 3 as well. That way the effects of the drug can be properly studied as it affects different people. For instance, say there are 4 obese people in a sample of 10, instead of group one having all obese people, randomization may be able to give group one, 2 obese people and 2 obese people to group 2 as well. That way when comparing, the effects of the drug on the two groups is easier to be compared because the two groups have similar people.

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