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myrzilka [38]
3 years ago
11

Enter the numbers that goes in the boxes.

Mathematics
1 answer:
sergey [27]3 years ago
6 0

Answer:

A'(-1,4)

B'(-4,3)

C'(-2,1)

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An object is dropped from a bridge and allowed to freefall to the ground. The height of the object over time can be modeled usin
kkurt [141]

Answer:

<em>t = 3 seconds</em>

Step-by-step explanation:

We have the equation, as a function of time, that describes the height of the object that is dropped from the bridge.

The equation is:

h (t) = 144 - 16t ^ 2

Where t is the time in seconds and h is the height in feet.

To know how long it takes the object to fall to the ground we do h (t) = 0 and solve for t.

So:

0 = 144 - 16t ^ 2\\\\16t ^ 2 = 144\\\\t ^ 2 = \frac{144}{16}\\\\t ^ 2 = 9\\\\t_1 = 3\\t_2 = -3

We take the positive solution.

Therefore the object takes 3 seconds to reach the ground

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3 years ago
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At a school the number of boy to girls is 11:9 there are 124 more boys than girls work out the total number of students at the s
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Answer:

1240

Step-by-step explanation:

the explanation is very long but I hope this is correct!

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3 years ago
What is the perimeter of the triangle?<br> unit
FinnZ [79.3K]

Answer:

<h2>36 units</h2><h2></h2>

Step-by-step explanation:

perimeter of the given triangle = 16 + slant (10) + slant (10)

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Mathswatch Question! Mr Powers checks his electricity bill. Here are his meter readings. New reading: 6538 units, Old reading: 6
Setler79 [48]

Answer:

Cost = 284 x

Step-by-step explanation:

Given

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Next, multiply the units used by the cost per units,

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So, the total cost is:

Cost = Units * Cost\ per\ units

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3 years ago
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Answer: 18 meters/s

Step-by-step explanation: Divide meters by seconds to find out how many meters the horse traveled per second.

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