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goldfiish [28.3K]
3 years ago
7

Haley measured the distances between her house and two of her friends' houses. ellen's house is 1.41 miles away from haley's, an

d dirk's house is 6,547 feet away from haley's. whose house is farther away from haley's, and how many feet farther away is it, to the nearest whole foot?

Mathematics
2 answers:
QveST [7]3 years ago
6 0
We have the following variables:
H = Haley's house
E= Ellen's house
D = Dirk's house

In the figure below we can see the representation of this problem.

Given that there are two measurements with different units, namely, the distance between Haley and Ellen's houses is in miles and the distance between Haley and Dirk's houses is in feet, we need to convert one of these units.

As the final question demands which house is farther away from Haley's, we will convert the distance between Haley and Ellen's houses from miles to feet, so:

1mi = 5280ft

1.41mi(\frac{5280ft}{1mi}) = 7444.8ft

So:
The distance between Haley and Ellen's houses = 7444.8ft
The distance between Haley and Dirk's houses = 6547ft

Then Ellen's house is farther away from haley's, and <span>the nearest whole foot is:
</span>7444ft

Arada [10]3 years ago
3 0

Answer: Ellen's house is farther away by 898 feet.

Step-by-step explanation:

Given: The distance between Haley's house and Ellen's house = 1.41 miles

We know that 1 mile = 5,280 feet

Then, 1.41\text{ miles}=1.41\times5,280\text{ feet}=7,444.8\text{ feet}

The distance between Haley's house and Dirk's house = 6,547 feet

Clearly, 6,547<7,444.8

And 7444.8-6547= 897.8\approx898

Therefore, Ellen's house is farther away by 898 feet.

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Answer:

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  4. false

Step-by-step explanation:

One characteristic of a reflection that is useful for answering this question is that it always reverses the clockwise/counterclockwise orientation of a figure. Rotation and translation have no effect on that orientation.

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1. translation by reflection

Reflection across two parallel lines has the net effect of translating a figure twice the distance between the parallel lines. So, one way to effect a translation using two lines of reflection is to draw one of them through the perpendicular bisector of a point and its translated image. Then the other line would be drawn parallel to the first through the image point.

True: translation can be replaced by two reflections

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2. translation by rotation

A single point can be moved from one set of coordinates to another by rotating around any point on the perpendicular bisector of the original and its image. To "undo" the change in direction of other points in the image, the image can be rotated an equal angle in the reverse direction about the point that is in its proper place.

That is, if we rotate figure ABC an amount of X° about a point on the perpendicular bisector of AA', so that A ends up at A', then the translation can be finished by rotating that figure by -X° about point A'.

The simplest case is an initial rotation of 180° about the midpoint of AA', followed by another rotation of 180° about A'.

True: translation can be replaced by two rotations

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3. rotation by reflection

As discussed above, reflection changes orientation and rotation does not.

However, a rotation can be replaced by <em>two</em> reflections. The rotation angle is equal to twice the angle between the lines of reflection. The point where the lines of reflection meet is the center of rotation.

False: rotation can be replaced by reflection

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4. reflection by rotation and translation

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6 0
3 years ago
Let f(x) = 4x + 3 and g(x) = -2x + 5. Find fog 5
Oxana [17]

Answer:

-17

Step-by-step explanation:

first find g(5) = -2(5)+5 = -5

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6 0
3 years ago
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3 0
3 years ago
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Gwar [14]

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s ... the number of no members tickets

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</span>550 = 20 * a + 25 * s

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550 = 20 * 25 - 20 * s + 25 * s

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