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Zarrin [17]
3 years ago
8

On a coordinate plane, a graph has number of hours on the x-axis and number of haircuts on the y-axis. A line goes through point

s (2, 1), (4, 2), and (6, 3).
The graph represents the number of haircuts, y, a hair stylist can give over time, x. Use the graph to find the constant of proportionality and write an equation.

The constant of proportionality is .
The equation that represents the number of haircuts the stylist can give in an hour is .
Mathematics
2 answers:
ryzh [129]3 years ago
8 0

Answer:

1/2

and  

y=1/2x

Step-by-step explanation:

Leni [432]3 years ago
6 0

Answer:

Well the stylist can give one cut every 2hours or y=1/2x

Step-by-step explanation:

All you have to do is find the slope of the equation(rise/run) which ends up being 1/2 and then just turn it into an equation

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2. Simplify 2(54−1)3 completely. Show as much work as possible for full credit.
poizon [28]

(2 \times 54 - 2)3 = 108 - 2 \times 3 = 106 \times 3 = 318

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3 years ago
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3. A magical four-sided die is rolled twice. Let S be the sum of the resultsof the two rolls. We are told that the probability t
Fed [463]

Answer:

P(S=k) = (1/35)k

8/21

Step-by-step explanation:

P(S=k) is proportional to k

P(S=k) = ck

Total probability is 1

k = 2,3.... 8

Sum of all probabilities =

2c + 3c + 4c + 5c + 6c + 7c + 8c = 1

35c = 1

c = 1/35

P(S=k) = (1/35)k, where k = 2,3,...8

P(1&1):

P(S=2) = 2/35

P(2&2):

P(S=4)/3 = (1/3)(4/35) = 4/105

Because for S=4: (1,3) (2,2) (3,1) and all are equally likely

P(3&3):

P(S=6)/3 = (1/3)(6/35) = 2/35

Because for S=6: (2,4) (3,3) (4,2)

P(4&4):

P(S=8) = 8/35

P(getting doubles = 2/35 + 4/105 + 2/35 + 8/35 = 40/105 = 8/21

6 0
3 years ago
A hiker travels 45 degrees north of east for 30 km. What is his NORTH (or y) displacement component? Round your answer and inclu
miv72 [106K]

consider X-axis along the east-west direction and north-south direction along Y-axis

A = magnitude of distance traveled by hiker in north-east direction = 30 kilometer

θ = angle of direction of displacement of the hiker relative to x-axis or east direction = 45 degree counterclockwise

A' = component of distance traveled by the hiker along the east direction.

Since the angle is given with the x-axis, the Sin provides the component in Y-direction. hence

Using the equation

A' = A Sinθ

Inserting the values

A' = (30) Sin45

A' = 21.2 km

8 0
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Need Help plz it has to be done now
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Answer:

38 ft

Step-by-step explanation:

:)

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2 years ago
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