Answer:
21
Step-by-step explanation:
I think
Answer: y( 1 - 7y2 + 15y7)
Step-by-step explanation:Just put () around the 1 threw 15 and put the y out of the ()
Answer: a - (9xb)
Step-by-step explanation:
"A number diminished"
Diminished means made smaller or less.
So a variable minus.....
"By 9 times a number"
"By" with (including the variable multipled with 9)
"9 times a number" 9 multipled by a variable in parenthesis.
So 9 times a variable.
I hope you got it right :)
Because the surface area is of a 2-D SHAPE to find a area of a 2-D shape is l x w
Answer:
Step-by-step explanation:
DS = 4x + 12
SE = 8x - 8
Since segment RS bisects segment DE, it implies that the two segments created, segments DS and SE, are congruent. Therefore:
Solve for x
(Subtraction property of equality)
(subtraction property of equality)