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Marta_Voda [28]
2 years ago
5

WILL GIVE BRAINLIEST AND 30 POINTS!

Mathematics
2 answers:
myrzilka [38]2 years ago
8 0

Answer:

C

3

Step-by-step explanation:

The lines are ending at multiples of 8, therefore the function is discontinuous at positive multiples of 8

From the graph,

25 lies in the interval from 24 to 32.. which corresponds to 3 movies

kkurt [141]2 years ago
5 0

Answer:

1. C

2. 3 movies

Step-by-step explanation:

1. the step function is discontinuous at C. multiples of 8 greater than 0,

you can see that at 8, 16, 24 ,32, 40, the graph is discontinuous.

2. when x = 25, y = 3.

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A line extends from point T to point R. Point S is between points T and R. The space between T and S is labeled 3 x minus 4. The
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tim estimates that 60÷5.7 is about 10. Will the actual quotient be greater then or less than 10? explain
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7 0
1 year ago
Two sides of a triangle have lengths 12 m and 14 m. The angle between them is increasing at a rate of 2°/min. How fast is the le
Dvinal [7]

Answer:

1.692 m/min

Step-by-step explanation:

Let \theta be the angle between the two sides and x be the length of the third side. By cosine rule,

x^2 = 12^2+14^2-2\times12\times14\cos\theta = 340 - 336\cos\theta

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We differentiate x with respect to \theta by applying chain rule.

\dfrac{dx}{d\theta} = \dfrac{336\sin\theta}{2\sqrt{340 - 336\cos\theta}} = \dfrac{168\sin\theta}{\sqrt{340 - 336\cos\theta}}

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At 60°,

\dfrac{dx}{dt} = \dfrac{336\sin60}{\sqrt{340 - 336\cos60}} = 1.692 \text{ m/min}

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