KL=2x+2, JL=55, JK =7x+8 whats KL

KL is 21.6

Step-by-step explanation:

Looking at the information given we can say that  JK has to equal the length of KL plus JL becuse KL and JL lie on JK.   So set the equation equal each to solve for x.

KL = 2x + 2

JL = 55

JK = 7x + 8

2x + 2 + 55 = 7x + 8     Solve for x

2x + 57 = 7x + 8

-2x          -7x

57 = 5x + 8  

-8             -8

49 = 5x

x=  49/5  

Since we know that x is equal to 49/5 to find the length of KL we need to input x.  

KL = 2x +2

KL = 2(49/5) + 2  

KL = 98/5  + 2

KL = 108/5

KL = 21.6

an altitude of 15,000 feet

step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,