Answer:
8.5 hours
Step-by-step explanation:
Draw a line of best fit to predict
Side BC is congruent to side DC. (That's what the hash marks mean.) Angle C is congruent with itself, and the right angles at B and D are all congruent.
Thus, you want to choose triangle names that show BC congruent to DC. The appropriate selection is the second one ...
∆ADC ≅ ∆EBC
Answer:
x = 9
Step-by-step explanation:
The parallel lines divide the sides of the triangle in proportion, that is
= 
= ( cross- multiply )
8x = 72 ( divide both sides by 8 )
x = 9
14^2+48^2=x^2
196+2304=x^2
2500=x^2
x=50
hypotenuse equals 50
A should equal to -3 or -4 depending on whether what the equation is.
For example, if it's (1/9)^(a+1)=81^(a+1) x 27^(2-a), then the answer is -4.
But if it's the other way stated above, then it should be -3.
Hope this helps.
