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nexus9112 [7]
3 years ago
8

-9x = 72 PLEASE HELP GIVING 21 POINTS PLEASE

Mathematics
2 answers:
Bad White [126]3 years ago
3 0

Answer:

X = -8

Step-by-step explanation:

Lilit [14]3 years ago
3 0

Answer:

-8

Step-by-step explanation:

divide the -9 by the 72 and you get X= -8

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Simplify <br> x^4+100^4 polynomials
LiRa [457]

Answer:

Solution,

x^4+100^4

x^4+100000000

Step-by-step explanation:

Thank  \: you!!!!

7 0
3 years ago
A cylinder has a radius of 12.2 inches and a height of 6.1 inches.
Serhud [2]
3.14x12.2^2x6.1=2850.9in^3
The Answer is C.) 2850.9in^3
3 0
4 years ago
A cylinder has a diameter of 6 ft and height of 9 ft. What is the volume of this cylinder?
agasfer [191]

The answer is 254.47 ft

Step-by-step explanation:

V=pi×r^2×h

pi=3.14

r=d/2

r=6/2=3

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6 0
4 years ago
Please help me!!! I will give brainliest to the correct answer.
yarga [219]
  • 2(10+2)=3(y+3)
  • 2(12)=3y+9
  • 24=3y+9
  • 3y=15
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6 0
2 years ago
Read 2 more answers
element x is a radioactive isotope such that every 32 years, its mass decreases by half. given that the initial mass of the samp
VashaNatasha [74]

Answer:

the answer is 31.9 years

Step-by-step explanation:

initial mass,  M_{0}  = 150 gram

half life, t_{half\hspace{0.1cm}life} = 32 years

new mass = half of initial mass = M = 0.5M_{0}

formula , M = M_{0} e^{\frac{\ln\frac{1}{2}}{t_{half} }\times x } where x is the number of years required.

therefore 0.5 M_{0}  = M_{0} e^{\frac{\ln\frac{1}{2}}{t_{half} }\times x } = M_{0} e^{-0.0217x}

therefore -0.0217 x = \ln{0.5} = -0.693  

therefore x = \frac{-0.693}{-0.0217} = 31.942

8 0
3 years ago
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