When you are multiplying the roots you will not add or multiply the roots, meaning that the cubic root will stay the same. You will only multiply the numbers below the roots. Meaning that you will multiply -3 by -5 and get 15. So your answer will be the third one. Cubic root of 15
Answer: the actual answer it d. y=-1/3x-5
Step-by-step explanation:
Answer:
XT=6 units
Step-by-step explanation:
The picture of the question is the attached figure
step 1
In the right triangle RST
Applying the Pythagorean theorem

we have
---> by segment addition postulate
substitute
----> equation A
step 2
In the right triangle RTX
Applying the Pythagorean theorem

we have

substitute


----> equation B
step 3
In the right triangle XTS
Applying the Pythagorean theorem

we have

substitute


----> equation C
step 4
equate equation B and equation C


----> equation D
step 5
Solve the system
----> equation A
----> equation D
Solve by elimination
Adds equation A and equation D

Find the value of RT^2

step 6
Find the value of XT
equation C

Your answer is 9.11043357914 and if you have to round i’m pretty sure it’s just 9 ;)