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faltersainse [42]
3 years ago
11

An airplane 30,000 feet above the ground begins descending at the rate of 2000 feet per minute. Assume the plane continues at th

e same rate of the descent. The planes height and minutes above the ground are related to each other. Identify the vari
ables in this situation: x=_____ y=____
What is the given information in this problem ( find all that apply)?
Y- intercept____ slope___one point (___,___)
second point: (___,___)
in this situation:
Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
4 0
If we call y the height of the plane, we know when the time (x) is 0, the height is 30000. So let's write that in:

y = 30000 + (0)

Then, for every increase of a minute (x increases by 1), the height reduces by 2000. This can be written as:

y = 30000 - 2000x

Using what we know about y = mx+c equations, the slope of the line is -2000, and the y-intercept is (0, 30000).

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A car is traveling at the speed of 50 meters per second. What is the cars speed in kilometers per hour? How many kilometers will
Keith_Richards [23]
If the car is traveling at 50meters per second then you need to multiply 50 by 60 to get how many meters a minute then multiply that number by 60 to get meters per hour then take that number and divide it by 1000 to get kilometers per hour.







Answer:360 kilometers in 2 hours and the car is going 180 kilometers per hour
3 0
3 years ago
Lea is making a mosaic picture that is 3/4 foot tall and 11/12 foot wide what is the area of her mosaic
Fudgin [204]
Not enough info. But assuming it’s a rectangular, area = length * width
3/4*11/12 = 33/48 = 11/16 square feet
4 0
3 years ago
If you divide the total distance traveled on a car trip (as determined by the odometer) by the elapsed time of the trip, are you
PSYCHO15rus [73]

In general, you're calculating the magnitude of average velocity. In fact, speed is a vector, and as such it also has a direction and orientation.

So, if you compute the average speed, you're assuming that you went directly from point A to point B, which is basically never the case.

If, instead, you actually moved on a straight line from point A to point B, then the two quantities are the same.

7 0
3 years ago
Jelly ate 3 apples. This represents 50% of the bag of apples. How many apples were originally in the bag
rjkz [21]
<h3>Answer:  6 apples</h3>

x = number of apples originally

50% of x = 0.50*x = amount of apples eaten = 3

0.50x = 3

x = 3/0.50 ....... divide both sides by 0.50

x = 6

You can think of 50% as 1/2. If 3 apples represent half the bag, then the full bag is 6 apples. So half of 6 is 3.

6 0
3 years ago
Read 2 more answers
Write in exponential notation
r-ruslan [8.4K]

Answer:

12^5

Step-by-step explanation:

12^5 means 12*12*12*12*12 (5 twelves)

6 0
3 years ago
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