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soldier1979 [14.2K]
3 years ago
14

What are the solutions to 2(x+1^2)=18

Mathematics
1 answer:
stiks02 [169]3 years ago
3 0

Answer:

2( x + 1) = 18

2x + 2 = 18

2x = 16

x = 16/2 = 8

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A group of 14 people, of which 8 are male and 6 are female is picking a four person committee. How many ways can they pick the f
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Answer:

35 ways

Step-by-step explanation:

7×6×5×4. 7×6×5×4

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4 0
3 years ago
the hoover dam is 725 feet tall. how long would it take an object to fall from the top to the base of the dam? round the answer
Alinara [238K]

Answer:

45.05 seconds

Step-by-step explanation:

Use the formula: d = vi t + \frac{1}{2} at^{2}

d = distance      vi = initial velocity (m/s)    

t = time (s)     a = acceleration (m/s^{2})

m is meters and s is seconds. They are units of measurement so leave them be.

Assuming the object is simply dropped, the initial velocity is 0 since the object was not moving before it was dropped.

The distance is 725 feet, which is 220.98 meters.

The acceleration is 9.81m/s^{2} since that is the acceleration of Earth's gravity, aka free fall.

Time is what we are trying to find so just leave it as the variable t.

So plug the values into the equation:

220.98m = (0)(t) + \frac{1}{2} (9.81m/s^{2})(t)

220.98m = (4.905m/s^{2})(t)

45.0519877676s = t

t = 45.05s

Remember to pay attention to units because your answer will be wrong otherwise

7 0
2 years ago
The graph shows the cost of ice cream. If a teacher wants to buy 20 cones, how much will it cost ?
Volgvan

Answer:

you cannot see the graph. So I cannot answer this question

Step-by-step explanation:

if you add the graph maybe I can help :D

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Step-by-step explanation:

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D is correct. U is incenter of the triangle.
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3 years ago
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