Error analysis you and a friend are doing math homework together. you have to solve the equation 7 x plus 4 x minus 30 equals 60 minus 4 x. your friend arrives at the incorrect answer x = 2. find the correct value of x. then find the error your friend possibly made.

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65