Answer:
w = -10,6
Step-by-step explanation:
w(4+w)=60
4w + w^2 -60 = 0
w^2 +4w -60 = 0
w^2 +10w -6w -60 = 0
w(w+10) -6(w+10) = 0
w = -10, 6
Answer:
It's answer is C.
<u>They </u><u>are </u><u>two </u><u>events </u><u>in </u><u>which </u><u>either </u><u>one </u><u>or </u><u>the </u><u>other </u><u>must </u><u>happen</u><u>, </u><u> </u><u>but </u><u>they </u><u>cannot </u><u>happen </u><u>at </u><u>the </u><u>same </u><u>time</u><u>. </u>
2x + 3 is greater than or equal to 13. she needs to do atleast 10 chores
Answer: 15 students
Step-by-step explanation:
>70= 5+6+4 students
It is like when you have the problem 15*6, you don't know how to do that mentally, unless you use the take ten strategy which would turn it into (10*6) + (5*6) so, it simplifies to (60) + (30) which is 90