2 years ago

All of the following expressions are equivalent except _____.

Mathematics

2 answers:

Zielflug [23.3K]2 years ago

6 0

The answer is A. This is because in A, you are subtracting 2 from X, instead of X from 2.

Digiron [165]2 years ago

5 0

Hello!

Your answer is A) 2 - x

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Help please, and explain.

Korvikt [17]

Answer: 2x + y

Step-by-step explanation:

logₐ(3) = x

logₐ(5) = y

logₐ(45) = logₐ(3²· 5)

= logₐ(3)² + logₐ(5)

= 2 logₐ(3) + logₐ(5)

= 2 x + y substituted given values (stated above)

4 0

3 years ago

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X and Y are independent random variables. X is normally distributed with mean 1 and variance 1. Y is normally distributed with m

g100num [7]

Answer:

Step-by-step explanation:

Equation of variance:

Total Variance = sum (i=1, N) {c^2,variance^2}

= c1^2*variance1^2 + c2^2*variance2^2 + .....

Variance of X = 1

Variance of Y = 5

Variance of Y - 2X = (1^2)*(5) - (2^2)**(1)

= 5 - 4 = 1

8 0

3 years ago

What is the volume of a right circular cylinder with a radius of 3in and a height of 10in

WARRIOR [948]

Answer:

282.6 inches cubed

Step-by-step explanation:

The volume of the cylinder with radius 3 in and height 10 in is

$V=\pi (3^2)(10)= \pi (9)(10)= 90\pi = 90(3.14) = 282.6 in^3$

7 0

3 years ago

Solve: 3x + x -5 = 2(x -2)

RUDIKE [14]

Answer:

1/2

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

HELP ASAP!!!!!!!

Musya8 [376]

I believe the correct option is C.

8 0

3 years ago