It’s using the distributive method. 7 x a is 7A and 7 x 13 is 91, therefor it is 7A+91.
Answer:
260 - 55(3)
55(3)
260 - 165
= 95
Step-by-step explanation:
By determining the length of TV using TV^2=15^2+10^2-2(15)(10)cos80, and then determining the value of x using 15^2=TV^2+10^2-2(TV)(10)cosx.
Answer:
As it says he is incorrect.
Step-by-step explanation:
To start, if you were to multiply something such as 5*1, then you would get the same number. Another example would be 8*0. Anything multiplied by 0 IS zero. He does give some valid answers, but there are also ones with smaller numbers. That is why Jackson is incorrect.
