Answer: 45
Step-by-step explanation:
The sides are 2x,3x,4x
Add them up and you have 9x=45
FYI - 14,15,16 are correct.
17. a) 7 (nearest integer), b) 6.8 (nearest tenth)
18. a) 14 (nearest integer), b) 13.8 (nearest tenth)
19.
--> simplified to = 2
<em>-- let me know if you have any questions regarding this. </em>
I dont understand your question.......
Let n be old painters time. Then the new painters are 2n. So:
1/n+1/2n=1/6
2+1=2n/6
2n=18
n=9
The old painters take 9 hours; the new ones take 18
☺☺☺☺
Answer:
Step-by-step explanation:
-4x^2-36 can be rewritten as -4(x^2 + 9). The quantity in parentheses does not have real roots, but does have the imaginary roots ±3i.
Next time, please share the possible answer choices.