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Airida [17]
3 years ago
13

Find the coordinates of the points that are 5 units away from the origin and have an x-coordinate equal to 4.

Mathematics
1 answer:
vaieri [72.5K]3 years ago
3 0

Answer:

(4, 3 ) and (4, - 3 )

Step-by-step explanation:

A distance of 5 units from the origin represents the hypotenuse of a right triangle with sides 3- 4 - 5

If the x-coordinate is 4 then the y-coordinate is | 3 | = ± 3

the coordinates are (4, 3 ) and (4, - 3 )


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Answer:

Independent Variable- size of aquariums

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Step-by-step explanation:

In every experiment, the independent variable is manipulated and its effect on the dependent variable is observed as certain factors are kept constant.

In this study, the independent variable is the size of the aquariums. As this factor is manipulated, the number of surviving fish (dependent variable) changed accordingly. There was no mention of a control group in the experiment.

However, temperature, amount of food and type of food were held constant for all the experimental groups.

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2 years ago
A 45 foot ladder is leaning against a building. If the bottom of the ladder is 27 feet from the base of the building, how tall i
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Answer:

The height of building to the nearest foot is h = 36 foot

Step-by-step explanation:

We have given,

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Now, we need to find the height of building to the nearest foot.

Let the height of building be h.

Using Pythagoras theorem,

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h² = 45² - 27²

h = √(45² - 27²)

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The height of building to the nearest foot is h = 36 foot

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3 years ago
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There were two lions .Each lion had two cubs. How many lions were there in all?
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