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3 years ago

PLEASE HELP ME I HAVE LESS THAN 30 MINS TO FINISH

Mathematics

2 answers:

Leya [2.2K]3 years ago

8 0

The answer is james

solong [7]3 years ago

5 0

Answer:

abigail

Step-by-step explanation:

The probability of rolling a 6 is 1/6, so you multiply by 100 to get how many times they should get a 6 and get 16.667, which abigail is the closest to

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T(h) = - A - B * cos((pi*h)/12) Where T is the temperature in degrees Fahrenheit and h is the number of hours from midnight (0 &

kondor19780726 [428]

The value of A and B is 5 , 10 ;The average temperature for first ten hours is -7.466 degree F ; an expression for the rate that the temperature is changing with respect to h ; dt/dh = +B sin ((pi*h)/12)

<h3>What is a Function ?</h3>

A function is a mathematical statement used to correlate two variables.

The function given is

T(h) = - A - B * cos((pi*h)/12)

T is the temperature in degrees Fahrenheit and

h is the number of hours from midnight (0 <= h <= 24)

a. The initial temperature at midnight was - 15 degrees * F and

at Noon of New Year's Day it was 5 degrees * F

At midnight h = 0

T(h) = -15 degrees F

-15 = -A-B* cos 0

-15 = -A-B

A+B = 15------------------- (1)

At noon , h = 12 , T(h)= 5

- A - B* cos(pi) = 5

-A - B (-1) = 5

B -A = 5 ----------------------- (2)

Solving equation 1 and 2

2B = 20

B = 10

A = 5

The value of A and B is 5 , 10

The average temperature for first ten hours is -7.466 degree F

Find an expression for the rate that the temperature is changing with respect to h

dt/dh = +B sin ((pi*h)/12)

To know more about Function

brainly.com/question/12431044

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4 0

2 years ago

Use the quadratic model y = −4x2 − 3x + 4 to predict y if x equals 5.

REY [17]

Answer:

-111

Step-by-step explanation:

substitute 5 in place of each x

-4(5)^2 - 3(5) + 4

then evaluate or type it into your calculator

-100 - 15 + 4

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4 years ago

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A gardener is making a triangular garden. One angle of the garden is 38° and the sides that surround it are 39.5 feet and 78.5 f

sukhopar [10]

It depends because u have to show us the diagram since we have to know if it is opposite or adjacent to the angle! Anyways I think u can solve it on your own! The question might have something to do with trigonometry like cos sin and tan! Remember the area of a triangle is 1/2*base*height

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4 years ago

At noon, ship a is 40 nautical miles due west of ship b. ship a is sailing west at 18 knots and ship b is sailing north at 17 kn

igor_vitrenko [27]

The distance between the ships changing at 92.29 Knots

Using the position of ship A as the reference point, at time t measured in hours past noon, ship A is 18 t miles west of this point and ship B is 40 + 17t north of this point.
The distance between ships is then

$d(t) = \sqrt{(18t)^{2} + (40+17t)^{2} } \\$