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AysviL [449]
3 years ago
8

The base of a regular triangular pyramid has the sides that are 25 cm with a height of 14.3 cm. The slant height is 14.3 cm. Wha

t is the surface area of the pyramid?
Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
7 0
The surface area answer is 357.5
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a hyperbola has a center at the origin, a vertex at (9,0) and a focus at (41,0). What is the equation of the hyperbola
Harlamova29_29 [7]

Answer:

the equation of the hyperbola is;(x²/81) - (y²/1600) = 1

Step-by-step explanation:

We are given that the hyperbola has;

Centre; 0,0

Vertex; 9,0

Focus; 41,0

Thus,the vertex and focus are on the x-axis. Thus, the equation for the hyperbola will have the form;

(x²/a²) - (y²/b²) = 1

Since The vertex is (9,0),so

a = 9 and a² = 9² = 81

Also,Since The focus is (41,0),so

c = 41 and c² = 41² = 1681

Solving for b², we have;

b² = c² - a²

b² = 1681 - 81

b² = 1600

b = √1600

b = 40

Thus,equation of hyperbola is;

(x²/9²) - (y²/40²) = 1

Which gives;

(x²/81) - (y²/1600) = 1

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3 years ago
I NEED HELP PLEASE IM BEGGING YOU
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Two real solutions mark as brainliest plz
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I need help with college mathematics can someone help please ill give you the brainliest answer
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Answer:

3/16

Step-by-step explanation:

since the question has "and" we will be multiplying two unrelated probabilities

P(gray on 1) = 1/4

P(blue on 2) = 3/4

the second probability is not affected since we are not taking away the first space after we land on it

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