Answer:
okay im sorry but i can only help with the first page so im going to use the first equation as an example. when it tells you what x equals in this case four you put it in place of the variable and put it all together and see if those two numbers egual the amount given. so here it written out:
x +11=15 x= 4
4+ 11 + 15.
in this case yes the given numbers equal the amount.
really hope this helped you!
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
analyze picture
com loses 1/4 of its value after every year it is purchased
v = original price times 1/4 x times(x represents)
v = 800*(3/4)^x
so, if x is five, then t is
800*(3/4)^5= 189 27/32
Answer:
The answer is 5X+16
Step-by-step explanation:
The formula for perimeter of a triangle is a+b+c.
meaning we are adding up everything.
That is
(x)+(x+11)+(3x+5).
collect like terms.
and u end up getting
5x+16
