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alexandr1967 [171]
3 years ago
7

46 for 5 need it to get a straight A

Mathematics
1 answer:
seraphim [82]3 years ago
5 0
Is this a questions or???
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Polynomial and rational functions can be used to model a wide variety of phenomena of science, technology, and everyday life. Ch
Shalnov [3]

Answer:

  L = s^2/(30.25Cd)

Step-by-step explanation:

In accident investigation, the speed of a vehicle can be estimated using a polynomial function that relates speed (s) to the length of skid marks (L). The drag coefficient Cd will depend on the condition of the road surface and tires, but might be expected to be between 0.7 and 0.8.

If the skid marks end in a collision, the length of the marks that might have been made can be estimated using this formula, then that length added to the actual length of marks to estimate the original speed. The speed at the point of collision can be estimated by the damage caused, and/or the movement created.

In the above formula, length is in feet, and speed is in miles per hour.

8 0
3 years ago
What is the x-intercept of the graph whose equation is y+1=x3 ?
Illusion [34]

Answer:

the equation is y= 3x - 1

Step-by-step explanation:

to find the intersection with x just substitute 0 to Y.

0=3x-1

3x=1

x=1/3

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3 years ago
Given that y varies directly with x and y = 42 when x = 14, find y when x =90.
Anvisha [2.4K]
Direct Variation equation: y=kx, k=y/x
42/14=3
k=3
y=3x
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y=270
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3 years ago
Can someone please help.<br><br> what is<br><br> 2L+Z+N+H-Z=
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Find z such that 7.5% of the standard normal curve lies to the left of z.
sergeinik [125]
A probability of 0.075 corresponds to a z-score of about z\approx-1.44, i.e.

\mathbb P(Z
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3 years ago
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