<span>9(2x --8) =5x-7
</span>step 1: simplify 18x - 72 = 5x - 7
23x = -79
step 2: solve it x = -3.43
2x+4
Hope it helped? Sorry if it didnt
Answer:
Triangle
Step-by-step explanation:
h = Tan A x d, where h is the tree height, d is the distance from tree, and A is the angle to the top of the tree.
Basically you want to solve for the hypotenuse by using basic trig
The two numbers are 21 and -4
Answer:
x=3
Step-by-step explanation:
the volume of the prism with triangular base is 54 unit³
The base is a triangle with, base i.e 4 units and height i.e x units
Also, height of the prism = 3x
So, volume of the prism is,
And
,
Then,
As the volume is given as 54 unit³, hence
6x²=54
x²=9
x=3