Answer:
-5x^2-2x
Step-by-step explanation:
When distributing, you multiply the term outside the brackets to all the terms in brackets.
If the term outside the bracket is negative, then when distributing/opening the brackets, the signs of the terms changes.
So in this prob. -x would multiply to both +5x and +2
-x*5x+-x*2
∴-5x^2-2x
Answer:
67
Step-by-step explanation:
First multiply, then do addition and subtraction in order from left to right
Answer:
B. 23.58
Step-by-step explanation:
I got it right
Answer:
83
Step-by-step explanation:
cos 65 = 35/ x
x = 35/ cos 65
x = 83m
hope it helps!
Answer:
94 for the first one and 130 for the second
Step-by-step explanation:
Since A=6 and B=4
For the first one
13(6)+ 4(4)
78+16=94
For the second one
(6+4)*13
(10)*13= 130
