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lord [1]
2 years ago
12

Can someone expert help me in this please?

Mathematics
1 answer:
Inessa [10]2 years ago
5 0
Does the person have to be expert? Because I can help?
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2 years ago
-11-2+3(4*6^2/(-9))]
Lelechka [254]

Answer:

use calculating

Step-by-step explanation:

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8 0
3 years ago
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samantha threw an apple out of a window from the tenth floor of her appartment building. the equation y = -16t^2+120 can be used
ella [17]
Answer:
time taken = 2.74 seconds

Explanation:
We are given that:
y = -16t² + 120 models the situation where:
y is the floor number
t is the time taken for the apple to hit the ground

We are also given that the floor number (y) is 10. Therefore, all we have to do is substitute with y in the above equation and solve for the time t as follows:
y = -16t² + 120
10 = -16t² + 120
120 - 10 = 16t² 
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t² = 6.875
either t = 2.74 seconds ..........> accepted
or t = -2.74 seconds .........> rejected as time cannot be in negative

Hope this helps :)
5 0
3 years ago
A_____ function is a function that can be expressed as the quotient of two polynomial functions in wich the denominator does not
Korolek [52]

Answer:

rational

Step-by-step explanation:

that is literally the definition of a rational number, just change the part where it says function to number and polynomial functions to number as well.

4 0
3 years ago
A computer store bought a program at a cost of ​$20 and sold it at a selling price of ​$25. Find the percent markup.
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i dont know, sorry...............................................

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