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Olegator [25]
3 years ago
9

Holly wants to design a test to find out how fast her friend Jill can walk from one end of the playground to the other.

Chemistry
2 answers:
diamong [38]3 years ago
7 0
Answer: D

the answer can not be A because the type of shoes jill is wearing doesn’t have anything to do with her speed

The answer can not be B because dogs are not any part of this experiement

the answer can not be C because they are testing the speed of a person not a bike
Orlov [11]3 years ago
6 0

Answer:

D

Explanation:

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What is the cost to drive to Los Angeles from San Francisco a distance of 405 miles if the cost of gasoline is $2.90 a gallon an
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Answer: $46.98

Explanation:

The distance to drive to Los Angeles from San Francisco is 405 miles. Since the car get 25 miles per gallon of gas, for 405 miles, the car will use:

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3 years ago
Which of the following is an example of a negative tropism?
salantis [7]

C—stems and leaves growing upward?


7 0
3 years ago
How much heat is needed to change the temperature of 5g of water from 20 oC to 37 oC?
Dafna1 [17]

Answer:

The answer to your question is Q = 355.64 J

Explanation:

Data

Heat = Q = ?

Temperature 1 = T1 = 20°C

Temperature 2 = T2 = 37°C

mass = m = 5 g

Specific heat = Cp = 4.184 J/g°C

Formula

Q = mCp(T2 - T1)

-Substitution

Q = (5)(4.184)(37 - 20)

-Simplification

Q = (5)(4.184)(17)

-Result

Q = 355.64 J

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lisabon 2012 [21]
B. 40 times
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