$\dfrac{4}{\sqrt{x}+2}=\dfrac{4}{\sqrt{x}+2}\cdot\dfrac{\sqrt{x}-2}{\sqrt{x}-2}=\dfrac{4(\sqrt{x}-2)}{(\sqrt{x})^2-2^2}=\dfrac{4\sqrt{x}-8}{x-4}\\\\Use:(a+b)(a-b)=a^2-b^2$

6 0

3 years ago

Read 2 more answers

there is 1 7/8 of a pepperoni pizza. your dog eats an eighth of the pizza. how much pepperoni pizza is left?

lesya [120]

Answer: There are 1 6/8

Step-by-step explanation:

1 7/8 - 1/8= 1 6/8

4 0

3 years ago

Read 2 more answers

The question is in the picture

AURORKA [14]

Answer:

B: 0.15

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers