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Svet_ta [14]
4 years ago
12

Solve the system of equations 2x-5y=-20 y=x+4

Mathematics
1 answer:
Helen [10]4 years ago
6 0

Answer:

Step-by-step explanation:

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the height of a ball dropped from a 160 foot building after t seconds is represented by h(t)=160-16t^2.how high will the ball be
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Answer:

The height of the ball after 3 secs of dropping is 16 feet.

Step-by-step explanation:

Given:

height from which the ball is  dropped = 160 foot

Time = t seconds

Function h(t)=160-16t^2.

To Find:

High will the ball be after 3 seconds = ?

Solution:

Here the time ‘t’ is already given to us as 3 secs.

We also have the relationship between the height and time given to us in the question.

So, to find the height at which the ball will be 3 secs after dropping we have to insert 3 secs in palce of ‘t’ as follows:

h(3)=160-16(3)^2

h(3)=160-16 \times 9

h(3)=160-144

h(3)=16

Therefore, the height of the ball after 3 secs of dropping is 16 feet.

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Step-by-step explanation:

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What’s the Y and X Intercept <br> 5x+10y=10
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Step-by-step explanation:

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