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3 years ago

Over 4 hours, the temperature in Miami, Florida, rose 8ºF.

Mathematics

2 answers:

pogonyaev3 years ago

8 0

Answer:

2ºF

Step-by-step explanation:

edge-

jeka57 [31]3 years ago

3 0

8 degrees / 4 hours = 2 degrees per hour

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An isosceles triangle has slant height s and angle t opposite the base. Find a formula for the base length b in terms of the ang

Mars2501 [29]

OK, let's try with no figure. We have an isosceles triangle sides s,s, and b.

Opposite b is angle t.

Draw the altitude h to bisect t. We have two right triangles, legs b/2 and h, hypotenuse s. The angle opposite b/2 is t/2 so

sin(t/2) = (b/2)/s = b/2s

So we arrived at the first part,

b = 2s sin(t/2)

The area of a triangle with sides s,s and included angle t is

A = (1/2) s² sin t

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3 years ago

How to find the slope<br>

Ostrovityanka [42]

Answer:

Step-by-step explanation:

The slope of a line characterizes the direction of a line. To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points

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3 years ago

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A 2.2 kg ball strikes a wall with a velocity of 7.4 m/s to the left. The ball bounces off with a velocity of 6.2 m/s to the righ

Naya [18.7K]

Answer:

The constant force exerted on the ball by the wall is 119.68 N.

Step-by-step explanation:

Consider the provided information.

It is given that the mass of the ball is m = 2.2 kg

The initial velocity of the ball towards left is 7.4 m/s

So the momentum of the ball when it strikes is = $2.2\times 7.4=16.28$

The final velocity of the ball is -6.2 m/s

So the momentum of the ball when it strikes back is = $2.2\times -6.2=-13.64$

Thus change in moment is: $16.28-(-13.64)=29.92$

The duration of force exerted on the ball t = 0.25 s

Therefore, the constant force exerted on the ball by the wall is:

$\frac{29.92}{0.25}=119.68$

Hence, the constant force exerted on the ball by the wall is 119.68 N.

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3 years ago

Numbers 10, 100, 1,000, and so on are called

wlad13 [49]

I do believe that those are called numbers

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3 years ago

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Factor : 49c^2 - 25d^6

Keith_Richards [23]

49c^2 - 25d^6
(7c)^2 - (5d^3)^2
(7c + 5d^3)(7c - 5d^3)

The answer is: (7c + 5d^3)(7c - 5d^3).

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3 years ago

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