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2 years ago

6

To ride a roller coaster, a visitor must be taller than 54 inches. Use h to represent the height (in inches) of a visitor able t

o ride.

2 answers:

Ilya [14]2 years ago

6 0

Answer:

h > 54

h = height to ride roller coaster

h is greater than 54 inches

Lostsunrise [7]2 years ago

4 0

Answer: h>54

Step-by-step explanation:

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In a memory experiment, Alice is able to memorize words at a rate given by m '(t)= - 0.009t^2 + 0.6t. In the same memory exper

White raven [17]

Answer:

1) Ben, 2) $\Delta = 2$ , 3) $\dot m = 2.7$ , 4) $\dot M = 2.9$

Step-by-step explanation:

1) Ben has a higher rate of memorization, since the coefficient of the second power is lesser than the one from Alice.

2) The number of words can be estimated by integrating the function:

Alice

$\Delta m = -0.003\cdot (10\,min)^{3} + 0.3\cdot (10\,min)^{2}$

$\Delta m = 27$

Ben

$\Delta M = -0.001\cdot (10\,min)^{3} + 0.3\cdot (10\,min)^{2}$

$\Delta M = 29$

$\Delta = \Delta M - \Delta m$

$\Delta = 2$

3) The average amount of words per minute is:

$\dot m = \frac{27}{10}$

$\dot m = 2.7$

4) The average amount of words per minute is:

$\dot M = \frac{29}{10}$

$\dot M = 2.9$

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3 years ago

What is the solution 0.5(9x+18)=-1.5(5x)-2(3x+4.5

Liono4ka [1.6K]

Answer:

x = -6

Step-by-step explanation:

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3 years ago

This year, a small business had a total revenue of $45,000. If this is 25% less than their total revenue the previous year, what

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Let R = total revenue the year before

R = 45,000 x 0.25 + 45,000

R = 11,250 + 45,000

R = $56,250

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3 years ago

The distance from the center of a square to a side is 4 yd. find the perimeter of the square

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3 years ago

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Anton [14]

Answer:

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Step-by-step explanation:

x= 4/5

you put in 4/5 where x is supposed to be so you get: -2/5 - 4/5 + (-9/10)

-2/5 - 4-5 = -6/5

-6/5= -12/10

-12/10 + -9/10= -21/10 = -2.1

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2 years ago