Which answer choice correctly represents 0.513333… ?A.B.C.D.

Mathematics

2 answers:

Zepler [3.9K]2 years ago

7 0

Abdc

I think so cuz I did this and got it right hopefully it is right good luck

Nady [450]2 years ago

7 0

Answer:

Step-by-step explanation:

I don't see the choice.

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I need help please, i don’t not understand

Leviafan [203]

Write in 0 and 0 at the top: this indicates that if there are zero pennies, the height of the tower is 0. This is the point (0,0). Another point is (4, 28): a tower of 28 pennies is 4 cm tall.

Find the slope of the line connecting (0,0) and (4,28).
4cm - 0 cm
m = ----------------- = (1/7) (cm/penny)
28 - 0

The equation we need, relating # of pennies to height of tower, is

t = (1/7) (cm/penny)x, where x is the # of pennies.

Thus, if x = 1, then t=1/7 cm

And, if x =15, then t = 15/7 cm

And so on.

7 0

3 years ago

Mark dropped an object from a bridge 400 feet above the ground level with an initial velocity of 0. He knows that the gravitatio

lisabon 2012 [21]

Answer:

The first listed equation is the correct equation to solve

The correct answer is: t = 5 seconds

Step-by-step explanation:

Let me mention first that there is an error in the statement that the gravitational pull of the Earth is 16 ft/s^2. It is in fact 32 ft/s^2, and the actual equation uses half of the acceleration multiplied by the square of the variable time, so it gives as final expression :

$y(t)=-16\,t^2+ 0 \,t +400$

and we want to find the value/s for "t" that make this equation equal zero (when it reaches the ground and the object just touches the ground. This makes the equation we want to solve:

$0=-16\,t^2+ 0 \,t +400\\16\,t^2+0\,t -400=0$