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trasher [3.6K]
3 years ago
11

Is it more difficult to run up a ramp with a slope of 1/5 or a ramp with a slope of 5? Explain.

Mathematics
1 answer:
stich3 [128]3 years ago
6 0

Is it more difficult to run up a ramp with a slope of 1/5 or a ramp with a slope of 5? Explain.  

a dlope of 1/5 is walkable; a slope of 5 is not without climbing gear.

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A driver has three ways to get from one city to another. There is an 80 % chance of encountering atraffic jam given he is on rou
lukranit [14]

Answer:

The probability is 0.64

Step-by-step explanation:

What we want to calculate here is conditional probability.

Let P(A )= Probability of using route A = 50% = 0.5

Let P( B )= probability of using route B = 25% = 0.25

Let P (C )= probability of using route C = 25% = 0.25

Let T be the probability that he will be in a traffic Jam

The probability that he will be in a traffic Jam if he uses route A = 80%

Mathematically this is written as P( T | A) which is read as probability of T given A

so P( T | A) = 0.8

Same way for B and C which can be written as follows;

P( T | B) = 60% = 0.6

P( T | C) = 30% = 0.3

Now, what do we want to calculate?

He is in a traffic Jam, and we want to find the probability that he used route A. This means we want to find P(A) given T which can be written mathematically as P ( A | T)

We can find this using the other parameters and especially the equation below;

P ( A | T) = P(A) • P( T| A) / {P(A) • P ( T | A) + P(B)• P(T| B) + P(C) • P(T|C)

P( A | T) = (0.5 * 0.8)/ ( 0.5)(0.8) + (0.25)(0.6) + (0.25)(3) = 0.4/(0.4 + 0.75 + 0.075) = 0.4/0.625 = 0.64

4 0
2 years ago
PLEASE HELP ASAP!!! 40 POINTS!!! WILL MARK BRAINLIEST FOR BEST ANSWER!!!
Natali [406]

Answer:

5,10,15,20... is A).        20,17,14,11... is B).   1,3,9,27... is C).   and 128,32,8,2 is D)

Step-by-step explanation:

plug in each common difference/ common ratio with each set to see what works

3 0
3 years ago
What happens to the graph of the line y = mx + b if the value of b is decreased?
ollegr [7]

Answer:

The lines moves lower.

Step-by-step explanation:

The steepness of a line is related to the slope, m.

b is the y-intercept, not the slope.

b is where the line intersects the y-axis.

Changing b changes the vertical position of the line.

Answer: The lines moves lower.

7 0
2 years ago
X^2 + y^2 = 25 <br> x^2 + y^2 = 19
olga55 [171]
What do you need help on.
7 0
3 years ago
What percent of 55 is 34
djyliett [7]

answer

.618 18 repeats

Step-by-step explanation:

4 0
3 years ago
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