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fenix001 [56]
3 years ago
13

How to solve (4s+5t)(4s-5t)

Mathematics
1 answer:
marin [14]3 years ago
7 0
(4s+5t)(4s-5t)

16s^2 - 20st + 20st - 25t^2

Combine like terms...

-20st + 20st = 0


The answer is:

16s^2 - 25t^2
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Which method will NOT get you to the point (5,2.5)?
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An ice cream cone has a diameter of 3 inches.The distance from the top of the cone to the point at the bottom (height) is 5 inch
solong [7]

Answer:

11.781 cubic inches (round accordingly)

Step-by-step explanation:

The formula for the volume of a cone is:

V=\frac{1}{3}\pi  r^{2} h

where r is the radius and h is the height.

For our ice cream cone:

d = 3 inches

r = 1.5 inches (the radius is half of the diameter)

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So all we have to do is plug in our values and solve for the volume:

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So our final answer is around 11.8 cubic inches.

3 0
3 years ago
How do you find the missing length indicated
Free_Kalibri [48]
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3 years ago
Eeeek help, I don’t exactly know how to calculate the width of the missing shape!
Anuta_ua [19.1K]

Answer:

Perimeter = 101.2 cm

Step-by-step explanation:

The given figure has a length of 18 cm and width of 24 cm.  A rectangle of length 8.6cm has been cut out, however, the question is asking to find the perimeter, or distance around the figure.  The overall rectangle still has a perimeter of 18 + 18 + 24 + 24 = 84. However, now it also has two additional sides of 8.6cm each, so 8.6 + 8.6 = 17.2.  

Add all the sides together for perimeter:

84 + 17.2 = 101.2 cm

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3 years ago
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