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VMariaS [17]
3 years ago
5

Sasha is twice as old as Kapila. If Kapila is x years old, find their total age.

Mathematics
1 answer:
zalisa [80]3 years ago
3 0

Answer:

3x

Step-by-step explanation:

If Kapila's age =x.

Then Sasha's age would be =2x.

Their total age would be 3x.

Because 2x+x adds up to be 3x.

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A rock is dropped from a bridge 320 feet above the river. The pathway that the rock takes can be modeled by the equation h= -16t
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Answer:

The rock will take about 4.5 seconds to reach the river

Step-by-step explanation:

* lets study the situation of the rock

- The rock is dropped means the initial velocity is zero

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- The equation of the pathway is h = -16t² + 320

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* Now lets substitute h by zero in the equation to find t

∵ h = -16t² + 320

∵ h = 0

∴ 0 = -16t² + 320 ⇒ add 16t² to both sides

∴ 16t² = 320 ⇒ divide both sides by 16

∴ t² = 320/16 = 20

∴ t² = 20 ⇒ take √ for both sides

∴ t = √20 = 2√5 ≅ 4.5 seconds

* The rock will take about 4.5 seconds to reach the river

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6 0
3 years ago
Read 2 more answers
a group of 25 sixth graders, 40% of them said they had never visited another state. How many students said they had never visite
diamong [38]
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40/100 × 25 =
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100/10 is our final resolution 

cross out the zeros evenly and answer will give you 10.
6 0
3 years ago
Read 2 more answers
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