Answer:
-5.5
Step-by-step explanation:
because if you add 5.5 to -5.5 you get 0
Answer:

Step-by-step explanation:
<u>→Rewrite the expression so that the exponent is no longer negative. To do this, you write it as:</u>
<u />
<u>→Apply the exponent (4) to the 3, x, and </u>
:

Answer:
52630
Step-by-step explanation:
Simplify all the words into numbers.
30 + 2000 + 40000 + 600 + 10000
Add.
52630
Answer:
25 minutes
Step-by-step explanation:
When there are to people washing one elephant they will take half the time.
So half of the longest time will be the answer to the question.
Mary takes longer then Nigel so once Nigel is finished Mary will still wash her side for 5 minutes extra.
1.x×2+24=0
2x=0-24
2x=-24
x=-24/2
x=-12.
9.x×2-9x+3=0
2x-9x=0-3
-7x=-3
x=-3/-7
11.x×2+4x+13=0
2x+4x=0-13
6x=-13
x=-13/6
Hope it is correct and helps u.