An expression might be: 2354h / 3hrs. You can make the real division sign if you're using paper. Hope this helped :)
Answer:
Step-by-step explanation:
A bag contains 4 blue, 5 white, and 6 green balls. ... There are 5 red and 15 black balls in a box, two are picked up at random
x will represent the first unknow number
6x will represent the second number
the two numbers together will equal 21
6x + x = 21 combine like terms
7x =21 divide both sides by 7
x =3
Hope that helps.
brainliest is always appreciated.
Answer: 500
Step-by-step explanation:
300 squared plus 400 squared is x squared so just do the square root of 300 squared plus 400 squared
