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AURORKA [14]
3 years ago
10

What is the slope of this graph it should fit y=mx+b

Mathematics
1 answer:
sveticcg [70]3 years ago
7 0

y=-1x+19

hope this helps

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The hours of daylight, y, in Utica in days x from January 1, 2013 can be modeled by the equation y = 2.89sin(0.0145x-1.40) + 10.
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Answer:

9.3 hours

Step-by-step explanation:

Given

y = 2.89\sin(0.0145x-1.40) + 10.99.

Required

Hours of sunlight on Feb 21, 2013

First, calculate the number of days from Jan 1, 2013 to Feb 21, 2013

days = 52

So:

x = 52

So, we have:

y = 2.89\sin(0.0145x-1.40) + 10.99.

y = 2.89\sin(0.0145*52-1.40) + 10.99.

y = 2.89\sin(0.754-1.40) + 10.99.

y = 2.89\sin(-0.646) + 10.99.

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y = -1.740 + 10.99.

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One pie every 33 seconds

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3 years ago
Why do you cross-multiply when you solve proportions?
Llana [10]

Answer:  The reason you cross multiply fractions is to compare them. Cross multiplying fractions tells us if the two fractions are equal or which one is greater. This is especially useful when you are working with larger fractions that you aren't sure how to reduce.

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Read 2 more answers
Find the absolute maximum value for the function f(x) = x^2 − 4, on the interval [–3, 0) U (0, 2].
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Answer:

5

Step-by-step explanation:

The function y=x^2 -4 is

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(see attached diagram for details).

The maximum value of the function is at endpoints -3 or 2. find y(-3) and y(2):

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So, the maximum value is 5.

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3 years ago
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