OK.
-- Since it's the difference of two squares,
the factored form of that expression is
(5x + 12) (5x - 12) .
-- We don't know the value of the expression
until you tell us the value of 'x'. And then, if
'x' changes, the value of the expression also
changes, immediately, without any delay.
Faster than the speed of light.
Answer:
Option C and E are correct.
Step-by-step explanation:
We need to solve the following equation
(2x+3)^2=10
taking square root on both sides
![\sqrt{(2x+3)^2}=\sqrt{10}\\2x+3=\pm\sqrt{10}](https://tex.z-dn.net/?f=%5Csqrt%7B%282x%2B3%29%5E2%7D%3D%5Csqrt%7B10%7D%5C%5C2x%2B3%3D%5Cpm%5Csqrt%7B10%7D)
Now solving:
![2x+3=\sqrt{10} \,\,and\,\,2x+3=-\sqrt{10}\\2x=\sqrt{10}-3 \,\,and\,\,2x=-\sqrt{10}-3\\x=\frac{ \sqrt{10}-3}{2} \,\,and\,\,x=\frac{-\sqrt{10}-3}{2}](https://tex.z-dn.net/?f=2x%2B3%3D%5Csqrt%7B10%7D%20%5C%2C%5C%2Cand%5C%2C%5C%2C2x%2B3%3D-%5Csqrt%7B10%7D%5C%5C2x%3D%5Csqrt%7B10%7D-3%20%5C%2C%5C%2Cand%5C%2C%5C%2C2x%3D-%5Csqrt%7B10%7D-3%5C%5Cx%3D%5Cfrac%7B%20%5Csqrt%7B10%7D-3%7D%7B2%7D%20%5C%2C%5C%2Cand%5C%2C%5C%2Cx%3D%5Cfrac%7B-%5Csqrt%7B10%7D-3%7D%7B2%7D)
So, Option C and E are correct.
Ok, think about it. What’s the definition of a irrational number? Can the number be converted to a fraction or be able to be turned into a decimal that repeats or terminates? If so your looking at a rational number. If it can’t be turned into a fraction or become a repeating or terminating decimal then your number is likely a irrational number. Hope this helps. And your number is a rational number.
Well, since its isoceles triangle so two equal sides. its either 3 or 7. There is a theorem that states two sides added must be greater than the third. so if the third side is 3. it would be 3+3=6, less than 7, incorrect. therefore the correct side is 7. so the sides are 3, 7, 7. you can add them to confirm the theorem.
Answer:
x=9
Step-by-step explanation: