3 years ago

Determining Input and Output of a Function

Mathematics

2 answers:

Crazy boy [7]3 years ago

7 0

Answer:

the answer is A

Step-by-step explanation:

Just took the test.

strojnjashka [21]3 years ago

6 0

Answer:The first one

(-1,0,1,2)

Step-by-step explanation:

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A building that is 750 feet tall casts a shadow the is 111 feet long. find the angle of of elevation, in degrees, to the sun.

stepan [7]

Imagine the shadow and the building height forms a right angle triangle;

We know the height and the shadow make up the "legs" of the triangle,

a²+b²=c²
(750)²+(111)²=c²
562500+12321=c²
574821=c²
c=√574821
c=758.169 ≈ 758.2 ft

Hope I helped :)

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TEA [102]

Answer:

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Step-by-step explanation:

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3 years ago

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abruzzese [7]

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4 years ago

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Nana76 [90]

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3 years ago

If a train traveled at 50 meters within 120 seconds, what is its speed?

Alja [10]

Answer:

v = 0.416 m/s

Step-by-step explanation:

Give that,

Distance covered by a train, d = 50 m

Time taken, t = 120 s

We need to find the speed of a train. The formula for speed of an object is equal to the total distance covered divided by total time taken. It can be given by :

$v=\dfrac{d}{t}\\\\v=\dfrac{50\ m}{120\ s}\\\\v=0.416\ m/s$

So, the speed of a train is 0.416 m/s.

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3 years ago