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ValentinkaMS [17]
3 years ago
14

How do I solve this ?

Mathematics
1 answer:
sergey [27]3 years ago
7 0
Hope this helped with ur problem

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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 
110 = 16t²
t² = 110/16
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
Which expression is equivalent to<br> (2^3)^-5
kvasek [131]

Answer:

(2×2×2)×(2×2×2)×(2×2×2)×(2×2×2)×-(2×2×2)×(2×2×2)

3 0
3 years ago
Approximately how many feet is John away from the base of the building
pav-90 [236]
120 ft... a flat vertical line is 180 degrees, and since this is a 30,60,90 triangle, your equation is... 180-60=distance John is to the base
5 0
3 years ago
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Measurement is the use of numbers according to a standard. True or False
Colt1911 [192]
<span>The definition of "measurement" (noun) is the use of numbers, dimensions, quantity, or capacity as ascertained by comparison with a standard. It can also refer to the act of measuring, which is a verb. </span>

6 0
3 years ago
Write the expression that shows "3 times the sixth power of 10"
Fantom [35]
3 x 10^6. It looks funny on here but the exponent of 6 goes with 10.
3 0
3 years ago
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