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worty [1.4K]
3 years ago
6

HELPPPPPPP PLSSSSSS!!!!!!!!

Mathematics
1 answer:
Naya [18.7K]3 years ago
6 0
The answer is j you welcome
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The function h(t) = -4.9t2 + h0 gives the height (h), in meters, of an object t seconds after it falls from an initial height (h
sveticcg [70]
It will hit the ground after 3.499 seconds.

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The use the quadratic formula to see that it reaches the ground after 3.499 seconds.
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Simplify (5 + 5)squared - 17-3
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4 years ago
If ratio of cost price to selling price is 5 :7 ,find the profit percentage,..... tell me​
tangare [24]

Answer:

<em>let</em><em> </em><em>the</em><em> </em><em>cost</em><em> </em><em>price</em><em> </em><em>=</em><em> </em><em>5</em><em>x</em>

<em>let</em><em> </em><em>the</em><em> </em><em>selling</em><em> </em><em>price</em><em> </em><em>=</em><em> </em><em>7</em><em>x</em>

<em>profit</em><em> </em><em>=</em><em> </em><em>selling</em><em> </em><em>price</em><em> </em><em>-</em><em> </em><em>cost</em><em> </em><em>price</em>

<em>=</em><em> </em><em>7</em><em>x</em><em> </em><em>-</em><em> </em><em>5</em><em>x</em><em> </em>

<em>=</em><em> </em><em>2</em><em>x</em>

<em>profit</em><em> </em><em>percentage</em><em> </em><em>=</em><em> </em><em>2</em><em>x</em><em>/</em><em>5</em><em>x</em><em> </em><em>×</em><em> </em><em>1</em><em>0</em><em>0</em>

<em>=</em><em> </em><em>2</em><em>×</em><em>2</em><em>0</em>

<em>=</em><em> </em><em>4</em><em>0</em><em> </em><em>percent</em>

6 0
3 years ago
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See picture for problem. Please answer if you know
skelet666 [1.2K]

Answer: rx-sx= -2x^2

rx+sx=4x^2+8x

(r)(s)=3x^2+16x+16

Step-by-step explanation: Hopefully this helps! :)

4 0
3 years ago
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