Answer:
Step-by-step explanation:
28
answer:
41 miles per gallon
Step-by-step explanation:
41 miles ÷ 1
1 gallons ÷ 1
41 miles
1 gallons
41 miles
gallon
41 miles per gallon
*Every number divided or multiplied
by 1 is the same number (1÷1=1 / 2÷1=2)*
Answer:
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The plant grow 3.6 centimeter in 18 days and the student written it incorrectly as 1.44 days.
Division:
Division is the process of breaking a number up into equal parts, and finding out how many equal parts can be made. It is a reverse process of multiplication.
Given:
The ratio of growth for a plant is 0.2 centimeters per 0.5 day.
A student found the number of days for the plant to grow 3.6 centimeters to be 1.44 days.
Here we have to verify if the student is found the correct value or not.
For one day the plant grow 0.2 centimeter.
So, for 3.6 centimeter it will take
=> 3.6 / 0.2
=> 18
So, for 3.6 centimeter it will take 18 days.
So, here the student written it incorrectly as 1.44 days.
To know more about Division Problems here
brainly.com/question/1575906
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Step-by-step explanation:
the expected value is calculated by multiplying each of the possible outcomes by their probability, and then summing up all these results.
tossing a coin 2 times gives us 4 possible different outcomes (all with the same probability of 0.25) :
head - tail
head - head
tail - head
tail - tail
to have exactly one head is 2 out of these 4 possible outcomes, and the probability is 0.5.
everything else is also 2 out of these 4 possible outcomes, and the probability for that is therefore 0.5 too.
the expected value (from your point of view) is
9×0.5 - 15×0.5 = -$3.00
