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3 years ago

True or false ? A car taking a turn at a constant speed is accelerating.

Mathematics

2 answers:

umka21 [38]3 years ago

7 0

The answer is false because its not accelerating, just staying the same

erastovalidia [21]3 years ago

6 0

True. The velocity is changing because the direction is changing. Velocity is the combination of speed and direction. The change in velocity leads to a change in acceleration.

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Michelle is scuba diving. Her position changes from -2.1m to -38.6m in 6 1/4 min. What is the average change in Michelle's posit

tankabanditka [31]

Answer: 5.824 m / min

Step-by-step explanation:

Change in position = -2.1m to -38.6m

Distance = |-38.6 m - (-2.1m) |

=|-36.5| m

= 36.5 m

Time = $6\dfrac14\ min=\dfrac{6\times4+1}{4}\ min$

$=\dfrac{25}{4}\ min$

The average change in Michelle's position each minute = $\dfrac{36.5}{\dfrac{25}{4}}\text{ m/min}$

$=\dfrac{36.4\times4}{25}\text{ m/min}\\\\= 5.824\text{ m/min}$

Hence, the average change in Michelle's position each minute = 5.824 m / min

3 0

3 years ago

4c+5 = 8c-11 what is the variable

ozzi

C the variable equals 4

8 0

4 years ago

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Hello again im stuck on this expand question -5(3z-2)

lions [1.4K]

Answer:

Step-by-step explanation:

-5(3z - 2) = -5*3z - (-5)*2

= -15z + 10

6 0

3 years ago

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The diameter of a circle is 25 inches. What is the area? Use 3.14 for pi and round to the nearest hundredth.

Stolb23 [73]

Answer:

500 inches

Step-by-step explanation:

r= d÷2

25÷2= 12.5

Area of circle = pi × r²

=3.14×(12.5)²

=490.625

~500 inches

8 0

4 years ago

John needs 13 bottles of water from the store. John can only carry 3 at a time. What's the minimum number of trips John needs to

artcher [175]

13/3 = 4 1/3...so the minimum would be 4 1/2

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3 years ago

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