PLEASE HELP IM DESPERATE

20

Step-by-step explanation:

You can write the equation x+(3x+1)+(x-11)=90 and then isolate x

x+(3x+1)+(x-11)=90

5x-10=90 (combine like terms)

5x-10+10=90+10 (add 10, addition property of equality)

5x=100

5x/5=100/5 (divide by five, division property of equality)

x=20

for this case we have the following expression:

to solve, we rewrite the expression as:

we apply double c and we have:

thus, the quotient is 48.

so, patel found a wrong ratio and the multiplication was incorrect.

option d

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,