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tamaranim1 [39]
2 years ago
7

The cost of 6sandwiches and 4 drinks is $53. The cost of 4 sandwiches and 6 drinks is $47. How much does one sandwich cost?

Mathematics
1 answer:
vazorg [7]2 years ago
5 0

Answer:

$8.00

Step-by-step explanation:

6 divided by 53=8

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A mountain climber climb 15840 feet on her way to the summit of a mountain how many miles did she climb?
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Hi there!

One mile is equal to 5280 feet. To figure out how many miles the mountain climber climbed, all we need to do is to divide 15840 by 5280. Doing this give us 3 miles.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
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Do you have the rest of the question?

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

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

which solving for "t" becomes:

16\,t^2-400 =0\\16\,t^2=400\\t^2=\frac{400}{16} \\t^2=25\\t= +/- 5\,\,sec

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That is: t = 5 seconds

6 0
3 years ago
Which set of ordered pairs do NOT represent a function?
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Answer:

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Step-by-step explanation:

(4,-2)

(4,2)

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