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qwelly [4]
3 years ago
9

NEED HELP ASAP, QUICK I NEED THE AREA PLZ!!!

Mathematics
1 answer:
pashok25 [27]3 years ago
7 0
Use a= \pir^2 (r represents your radius of 4 feet)

\pi(4^2)
Answer = 16\pi^2
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polet [3.4K]

Answer:{F, G, H} and {G, C, A} only

Step-by-step explanation:

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Can someone help me I will mark u brilliant for both answers
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What is the exact volume of the cone? with a 5 ft radius and a 16 ft height
andrew11 [14]

Answer:

The volume is 418.93 ft^3

Step-by-step explanation:

Here, we want to find the volume of a cone

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3 0
3 years ago
Let R1 and R2 are the remainders when the polynomials x^3 + 2x^2 − 5ax − 7 and x^3 + ax^2 − 12x + 6 are divided by x + 1 and x −
Andru [333]

Answer:

2.44

Step-by-step explanation:

Given: x³ + 2x² - 5ax - 7      and  x³ + ax² - 12x + 6

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in order to find the value of a:

Let p(x) = x³ + 2x² - 5ax - 7 and q(x) = x³ + ax² - 12x + 6

Using remainder theorem i.e if a polynomial p(x) is divisible by polynomial of form x - a then remainder is given by p(a).

Then,

R1 = p( -1 ) = (-1)³ + 2(-1)² - 5a(-1) - 7 = -1 + 2 + 5a - 7 = 5a - 6

R2 = q( 2 ) = 2³ + a(2)² - 12(2) + 6 = 8 + 4a - 24 + 6 = 4a - 10

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9a = 22

a=2.44

Therefore, Value of a is 2.44

7 0
3 years ago
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