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allsm [11]
3 years ago
14

Jenny is taking a vacation from Florida. She travels 70 kilometers per hour for 2 hours, and 63 kilometers per hour for 5 hours.

Over the 7 hours time period what was Jenny's average speed?​
Mathematics
1 answer:
crimeas [40]3 years ago
3 0

Answer: 65 kmh

Step-by-step explanation:

70 kmh for 2 hours = 140 km.

63 kmh for 5 hours = 315 km

140 + 315 = 455/7 total hours = 65 kmh

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Describe why it might not be a good idea to use a key where each symbol stands for 1 in a picture graph
exis [7]
In a picture graph, if there is no key specified, then it is already assumed that the viewer knows that each symbol would stand for 1. If each symbol stands for more than one, then a key is required, but if each symbol stands for one, you can assume that the viewer knows.
4 0
3 years ago
The mean sustained wind velocity, v, can be determined by the equation , where p is the air pressure, in millibars, at the cente
inn [45]

The mean sustained wind velocity has the equation:

v = 6.3 √(1013 - p)


If we are given with the mean sustained wind velocity of 64 m/s, then we can solve for the air pressure using the equation:

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8 0
3 years ago
Read 2 more answers
Which type of transformation must have occurred in order to map triangle RST to its image, triangle R’S’T’?
Semmy [17]

Answer:

a reflection over the y-axis

Step-by-step explanation:

When a point is reflected over the y-axis, the images forms where the y-coordinate remains the same while the x-coordinate is transformed to the opposite sign.

In this case, a point (x,y) transforms to (-x,y). From the coordinates given;

(-3,3) --------(3,3)

(-1,3)----------(1,3)

(-2,1)----------(2,1)

See attached plot of object points and image points.

4 0
4 years ago
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3) A woman buys 3 dezen eggs. Later she discovers that x of them are broken. How many mang eggs are not broken 3 ) A woman buys
Fofino [41]

Answer:

<h2><u><em>36 - x</em></u></h2>

Step-by-step explanation:

A woman buys 3 dezen eggs. Later she discovers that x of them are broken. How many mang eggs are not broken

3 = 3

Dozen = 12

x = broken eggs

3 * 12 - x =

36 - x

5 0
2 years ago
PLS PLS PLS HELP I HAVE 2 TESTS DUE BY MIDNIGHT LOLZ ​
cricket20 [7]

Answer:

7

Step-by-step explanation:

The graph is moving up by 3 units and right by 7 units. The 1st point and 2nd point are 7 units apart, which is where I got my answer.

4 0
2 years ago
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