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andreev551 [17]
3 years ago
7

Si me ayudan les agradecería mucho

Mathematics
1 answer:
Oduvanchick [21]3 years ago
7 0
And how the dat ..., are we supposed to do
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An object is thrown upward from the top of a building with an initial velocity of 48 feet per second. The height h of the object
Lubov Fominskaja [6]

Answer:

5 secs

Step-by-step explanation:

The height of the object is given as:

h = -16t^2+48t+160

The moment when the object hits the ground, the height of the object will be 0 m.

Hence:

0 = -16t^2+48t+160

Solving this for t:

Divide through by 16 and move all parameters to the left hand side:

t^2-3t-10 = 0

t^2 - 5t + 2t - 10 = 0\\\\\\t(t - 5) + 2(t - 5) = 0\\\\\\(t + 2)(t - 5) = 0\\\\\\=> t = -2, 5

Since time cannot be negative, time, t = 5 secs.

The object will hit the ground after 5 secs.

5 0
3 years ago
In a tank of water, a can of regular soda will sink to the bottom, but a can of diet soda will float.
Svetach [21]
Over 140 times bigger because 25 cm³ of sugar is 40 grams (25×1.6)
and .2 cm³ of aspartame is 0.27 grams (0.2×1.35)
and 40 is 148 times as big as 0.27 (0.27×148.1481481≈40)
8 0
3 years ago
Read 2 more answers
Ana planted a garden with equal of roses daffodils and tulips. if she randomly selects a flower what is the probability that it
harkovskaia [24]

Answer:

33.3%

Step-by-step explanation:

If all of them are equal out of 100%

that means Roses are 33.3 daffodils are 33.3 and lilly's are 33.3

8 0
3 years ago
a rectangular school gym has a length of x+14 and a width of x-20 which measure does (x+14)(x-20) represent
Vinil7 [7]
The area, which is L x W.
L = x+14
W = x-20
Therefore, LW or (x+14)(x-20) is the area
8 0
4 years ago
Read 2 more answers
The value of k such that (x-5) divides the polynomial p(x)= x^3-6x^2+kx+30 exactly,is
mixas84 [53]

Answer:

k = - 1

Step-by-step explanation:

If (x - 5) is a factor of p(x) then p(5) = 0

p(5) = 5³ - 6(5)² + 5k + 30 = 0 , that is

125 - 150 + 5k + 30 = 0

5 + 5k = 0 ( subtract 5 from both sides )

5k = - 5 ( divide both sides by 5 )

k = - 1

3 0
3 years ago
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