The terms with the same variables is called like term
Answer:
x=6
Step-by-step explanation:
multiply 7 by x and 7 by -4. You get 7x-28=14, add 28 to 14, which is 42. So 7x=42, then divide 7 on both sides, and you get x=6.
Answer:
9 weeks
Step-by-step explanation:
Since you know your multiplication tables, you know that 6·8 = 48 and 6·9 = 54. This tells you 8 weeks is not enough, but Jessie will have saved at least 50 by week 9.
NCr*P^r*q^(n-r)
7C4*. 75^4*. 25^(7-4)
35*. 75⁴*. 25³
35*. 316*. 016
11.06*. 016
. 1769
=. 177
