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3 years ago

Lily plays tennis, golf, ping pong, and volleyball. Do more or less than 2/4 of the sports lily plays use a net?

Mathematics

1 answer:

Tems11 [23]3 years ago

6 0

Answer:

Out of the 4 sports only golf does not use a net. Therefore 3/4 is the sports uses a net

The answer is more than 2/4 of the sports

Hope this helps!

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You bought 3 shirts for $12. How much would 5 shirts cost?

sdas [7]

Answer:

Step-by-step explanation:

3/12=4

4x5=20

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Which set of expressions represents three consecutive integers?

Svetlanka [38]

D, as it increases by one

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The penguin nursery is open two times a day: 2/3 hour at noon and 5/12 hour in the afternoon. How much time is the penguin nurse

Molodets [167]

Answer: The answer is $1\dfrac{1}{12}~\textup{hours}.$

Step-by-step explanation: Given that the penguin nursery is open two times in a day, where the number of hours open at the noon and afternoon are respectively given by

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Therefore, the total number of hours 't' penguin nursery open every day is given by

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Thus, the answer is

$1\dfrac{1}{12}~\textup{hours}.$

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3 years ago

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A submarine elevation is -14 feet relative to sea level. A shark is swimming at elevation of -56 feet what is the difference in

likoan [24]

In order to solve this kind of problem, we must find the difference between two negative numbers describing elevation. Although when you have 2 negative numbers in a subtraction-elevation problem, the elevation difference won't be negative... It would be positive. -56 - (-14) would usually equal -42 feet but that would just describe a regular negative subtraction problem, so it becomes 42 feet. This answer is positive since it describe the distance between these integers.

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3 years ago

Expand (x-2) (x-1). Must be in polynomial form.

Ludmilka [50]

To expand two terms such as these, we can use the method called FOIL (stands for First, Outer, Inner, Last). Here is what I mean:

We have two terms: (x - 2)(x - 1)

We should first multiply the First two terms of each term in order to complete the F stage:

(x)*(x) = $x^{2}$

So then, we take the two outer terms and multiply them together to complete the O stage:

(x)*(-1) = -x

So far we have two things that we have calculated; at the end of the FOIL process we will have four.

To keep going with the FOIL, we now multiply the two inner terms to complete the I stage:

(-2)*(x) = -2x

Last but not least, we need to complete the L stage - so we multiply the two last terms of each term:

(-2)*(-1) = 2

Now that we have our four terms, let us add them together and combine like terms:

$x^{2} + (-x) + (-2x) + 2$

Since -x and -2x both have the x portion in common and they are added together, we can add them to create one single term:

-x + (-2x) = -3x

So now that we have our terms completed, we can combine into one polynomial equation:

$x^{2} + (-3x) + 2$ or $x^{2} -3x+2$

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