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icang [17]
3 years ago
8

HELP !!!!!! FAST!!!!!

Mathematics
1 answer:
Naya [18.7K]3 years ago
5 0
The answer is 162 81pi/2
Hope this helps!
 
the area is (1/2) x pix 9^2 = 81pi over 218.9=162162-81pi over 2
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3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5.
tatyana61 [14]
Ok so from experience on this site
3x2=3x^2
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3x^2-y^3-y^3-z
simplify first

3x^2-2y^3-z

x=3
y=-2
z=-5
3(3^2)-2(-2)^3-(-5)
3(9)-2(-8)+5
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48
8 0
3 years ago
Solve this quadratic equation<br><img src="https://tex.z-dn.net/?f=3a%20%7B%7D%5E%7B2%7D%20-%204%20%2B%201" id="TexFormula1" tit
ivann1987 [24]

Answer:

1 and 1/3

Step-by-step explanation:

3a² -4a +1 = 0

3a²- 3a - a+ 1= 0

3a(a-1) - (a-1)= 0

(a-1)(3a -1)= 0

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5 0
2 years ago
HURRY
Roman55 [17]

Answer:

C

Step-by-step explanation:

0 = 8 is a false statement which means the system has no solutions

6 0
3 years ago
Find the sum of 10 + 5i and its complex conjugate.<br> Write your answer in the form a + bi
gogolik [260]

Answer:

20.

Given, complex number is 10+5i .

We need to find sum of the given complex number and its conjugate. The conjugate of 10+5i is 10-5i. Therefore, the sum will be 10+5i+10−5i=20.

7 0
3 years ago
(take 2 bc i messed up) What is √30 simplified
nignag [31]

Answer: the square root of 30 is simplified to 5...

Hope this helps! :D

Step-by-step explanation:

7 0
3 years ago
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