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KengaRu [80]
3 years ago
11

Shaniqua is taking a test. After 20 minutes she has 35 questions left. After 40 minutes she has 15 questions left. If Shaniqua t

akes the same amount of time for each question how many questions are on the test
Mathematics
2 answers:
lana66690 [7]3 years ago
5 0

Answer:

55

Step-by-step explanation:

Effectus [21]3 years ago
4 0

There were 55 questions in the test.

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Dmitry_Shevchenko [17]
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marusya05 [52]

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meriva
The volume of a cuboid is given by length × width × height

We have:

Volume = 7.6 ft³
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Length = x + 5
Width = x

Substituting these into the formula, we have:

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Drawing the graph is one way of finding the solution (refer to the graph below):

We have three solutions (where the curve crosses the x-axis):
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Putting these solutions back into the context, since we are looking for the value of x which is part of measurement of length, we cannot have negative value, so we will take the value of x = 0.8 ft

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Answer: x = 9.6 inches

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Plug in the coordinates (-2,-13) into the point slope formula with the slope remaining as 5x

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