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lesantik [10]
3 years ago
10

Your round-trip drive to work is 4 3/10 miles. how many miles do you drive to and from work in 3 days?

Mathematics
2 answers:
AleksandrR [38]3 years ago
6 0

It would be: 4 3/10 * 6

43/10 * 6

4.3 * 6 = 25.8 miles

I have included the returned journey, as he has to do so to continuing for next one!!

TiliK225 [7]3 years ago
6 0

Answer:

12\frac{9}{10}  miles


Step-by-step explanation:

In 1 day, you drive  4\frac{3}{10}  miles <em>[round trip, to and from]</em>

So, in 3 days, you will drive  4\frac{3}{10}*3  miles <em>[to and from]</em>


Changing  4\frac{3}{10}  into improper fraction <em>[for ease of multiplication] </em>and multiplying by 3 gives us our answer:

4\frac{3}{10}*3\\=\frac{43}{10}*3\\=\frac{129}{10}


So, in total  \frac{129}{10}=12\frac{9}{10}  miles are driven in 3 days

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: West Gorham High School is to be located at the population center of gravity of three communities: Westbrook, population 16,00
xenn [34]

Answer:

  (a) 43.6490°N, 70.3928°W

  (b) Baker's Field

Step-by-step explanation:

The locations are all within a 7-mile square, so we will make the assumption of a flat Earth with parallel longitude lines. Then the "central" location will be the weighted average of the latitude and longitude coordinates.

<h3>(a)</h3>

Total population is 16000 +22000 +36500 = 74,500. For purposes of the arithmetic, we will subtract 43 from latitude and 70 from longitude, then multiply each fraction by 10. Similarly, we will divide each population by 1000.

The weighted average location is found from ...

  (16/74.5)(6.769, 3.717) +(22/74.5)(5.781, 3.222) +(36.5/74.5)(6.795, 4.447)

  = (1.4537, 0.7983) +(1.7071, 0.9515) +(3.3291, 2.1787) = (6.490, 3.928)

The center of gravity is about 43.6490°N, 70.3928°W.

__

<h3>(b)</h3>

The coordinate differences from the center of gravity are (in (°lat, °long)) ...

  Baker's Field: (0.0294, -0.0101)

  Lonesome Acres: (-0.1371, -.0072)

Clearly, Baker's field is closer to the site of part (a).

_____

<em>Additional comment</em>

Distance calculations could be refined further by considering that a degree of longitude at this latitude represents about 0.72 times the distance of a degree of latitude. In this problem, the location of Lonesome Acres has a latitude difference that is several times any of the other coordinate differences, so it is clearly much farther away from the desired location.

The calculations done here are a sort of first-level approximation. The least-significant digits in the coordinates represent a distance of less than 50 feet. If you really want accuracy to that level, then the (approximately) spherical shape of the Earth needs to be accounted for. As a second-level approximation, some reference point needs to be identified, and coordinates in miles (or feet) need to be expressed in relation to that reference. The best accuracy would be obtained using spherical trigonometry to identify the distances.

We expect any school that is constructed to be somewhat larger than 50 feet in any direction, so accuracy to the 4th decimal place in these locations is probably not required--except to satisfy some answer-checker.

5 0
2 years ago
What the answer for the question
Goryan [66]

Answer:

9/14

Step-by-step explanation:

(3/7)/(2/3)    Flip the sign of the second term and multiply.

(3/7)*(3/2)

3 0
2 years ago
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Wittaler [7]
True, finally my minimum wage mechanic job comes in handy. 
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3 years ago
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harkovskaia [24]
Answer is (4,-3) I’m pretty sure it’s right sorry if it’s wrong
3 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME!!!!
ira [324]

Answer:

A

Step-by-step explanation:

Just by looking at the graph you can eliminate some silly answers such as D and B, everything besides the slope is obvious at least:

The y int is -2

The line is negative

The standard parent function equation is just y = x with a slope of 1.

This graph is clearly a bit steeper than the normal parent function, so it has a slope that is great than -1, not less . So the only answer left is A

If you want to be sure, you can calculate the slope using rise over run and the slope should be somewhat close to -1.5 which is equal to -3/2

Thanks me later :)

4 0
3 years ago
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