3 years ago

Which of the following would have an effect on an object's mass?

1 answer:

7 0

The answer is none of the above because and object has the same mass no matter the temperature or the elevation. Mass is the amount of space an object takes up.

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In reducing one's speed from 70 mph to 50 mph, how much of a percentage decrease in stopping distance is realized (to the neares

labwork [276]

we are given

we are given relation between speed and distance

distance ( when speed =70mph) is

=328feet

so, $d_1=328$

distance ( when speed =50mph) is

=183feet

so, $d_2=183$

now, we can find percentage in decrease

$=\frac{d_1-d_2}{d_1} \times 100$

now, we can plug values

$=\frac{328-183}{328} \times 100$

$=44$ %...........Answer

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4 years ago

A+5 A=3 Basic algebra

weeeeeb [17]

A+5 is the same as 3+5 since A=3.
You would take five and count up by three, 6,7,8.
Your answer would be 8.

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4 years ago

The gallons of gasoline used varies directly with the number of miles driven. If 15 gallons cost $30, what is the cost of 7.5 ga

inn [45]

U will have some left but idn sry but give me a like for trying :p

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3 years ago

Which of the following numbers are square roots of 64? Check all that apply.

Shkiper50 [21]

Answer:

B AND D

Step-by-step explanation:

Because 8*8=64 and -8*-8=64

p.s

can u mark me brainliest?

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Answer number 4 and 5 plzs

Makovka662 [10]

The answer is 9, you have to add them together which equals 9.

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