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timama [110]
3 years ago
10

Describe a real world situation that can be modeled by the equation y = 1/20x. be sure to describe what each variable represents

.
Mathematics
2 answers:
saul85 [17]3 years ago
8 0
For this case, the first thing we must do is define variables.
 We have then:
 x: number of minutes
 y: total cost
 We have then the following description:
 The gym in a city charges $ 1 for every 20 minutes of training a person does every day. Write an equation that models the problem.
 
The equation that models the problem is:
 y =  \frac{1}{2}x
 Where the slope of the line is:
 m =  \frac{1}{2}
 And it represents the cost of the gym for every 20 minutes of training.
ivolga24 [154]3 years ago
3 0
A real world example could be:
Consider x is time in minutes
Consider y is the amount of fish food required in grams

The equation could then represent how much food (in grams) that a fish needs to be fed x minutes after it was previously fed.
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Syyedah throws a baseball with an initial velocity of 30 meters per second from a roof at an initial height of 75 meters. Write
Yuliya22 [10]
Initial velocity: v o = 30 m/s
h = 75 m
h = v o * t + g * t² / 2
75 = 30 · t + 9.8 · t² / 2
75 = 30 t + 4.9 t²
An equation is: y = 4.9 t² + 30 t - 75
4.9 t² + 30 t - 75 = 0
t_{12}= \frac{-30+/- \sqrt{900+1470} }{9.8}= \\  =\frac{-30+48.68}{9.8}
t = 1.9 s


4 0
3 years ago
I also need help with this one
icang [17]
It is c.

explanation:

20+130+h =180

when you solve you get h=50

130+g = 180

g= 50

50+60+f = 180

f=70
7 0
3 years ago
Read 2 more answers
The mean age of swimers for all of these teams is 10. what does a large mad tell you.eade help​
aev [14]
Answer: Larger the MAD tells us that the ages of swimmer are far from the mean age. Thus means is not a relevant indicator for the data.
Step-by-step explanation:
We know that the mean absolute deviation (MAD) helps to know whether the mean of a data is a worthy indicator for the data values .
The larger the MAD tells us the values are spread out far from the mean .
Also, larger the MAD makes the mean less worthy as an indicator of the data elements within the data set.
8 0
3 years ago
Durind the summer, Ms. Stevenson likes to swim. Her goal next summer is to swim1,456 laps. If she swims 28 laps a day, how many
WINSTONCH [101]

Answer:

52

Step-by-step explanation:

1456/ 28 = 52 days

6 0
3 years ago
Read 2 more answers
Please answer if you think you are kind and beautiful of world
tia_tia [17]

Answer:

y = 0

Step-by-step explanation:

Given (-5, 0) and (0, 0),

Find the slope (m):

slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{0 - 0}{0 - (-5)} = \frac{0}{5} = 0

Slope (m) = 0.

Find the y-intercept (b):

y-intercept (b) = 0. This is the value of y, when x = 0.

To write the equation of the line, substitute m = 0, and b = 0 into y = mx + b

y = (0)(x) + 0

y = 0 + 0

y = 0

6 0
3 years ago
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