Answer:

1. 2^x =64 is option number 4. 6

2. x= (2/5)^3 is option number 1. 8/125

3. 3•(3^4) = 3^x is option number 3. 5

4. 16/25 = x^2 is option number 2. 4/5

5 0

2 years ago

Which of the following is the conjugate of the expression below when x> -3?

harina [27]

Answer:

$7+\sqrt{x+3}$

Step-by-step explanation:

The conjugate of a radical expression is obtained by changing the sign of the middle term.

The conjugate of $a+\sqrt{b}$ is simply $a-\sqrt{b}$

Therefore, to obtain the conjugate of the given expression we simply shall be changing the negative sign to positive;

The conjugate of $7-\sqrt{x+3}$ is simply;

$7+\sqrt{x+3}$

5 0

2 years ago

Ignore the blue dots they are wrong

Juliette [100K]

Answer:

1. true

2. false

3. false

4. true

3 0

2 years ago

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